Works (174)

Updated: October 30th, 2024 05:01

2024 journal article

Confirmation and inheritance of glufosinate resistance in an Amaranthus palmeri population from North Carolina

Plant-Environment Interactions.

Source: ORCID
Added: July 1, 2024

2024 article

Development of <i>Brassica carinata</i> A. Braun resistant to acetolactate synthase-inhibiting herbicides

Leon, R. G., Bennett, R., & Chandra, S. (2024, October 16). CROP SCIENCE, Vol. 10.

By: R. Leon, R. Bennett & S. Chandra

Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 22, 2024

2024 journal article

Early-season biomass and weather enable robust cereal rye cover crop biomass predictions

AGRICULTURAL & ENVIRONMENTAL LETTERS, 9(1).

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 26, 2024

2024 journal article

Growth and fecundity of Palmer amaranth escaping glufosinate in soybean with and without grass competition

WEED TECHNOLOGY, 38.

author keywords: Competition; fitness; weed management; Competition; fitness; weed management
Sources: Web Of Science, NC State University Libraries
Added: September 9, 2024

2024 journal article

Influence of gender and glyphosate resistance on Palmer amaranth growth and interference with cotton

CROP FORAGE & TURFGRASS MANAGEMENT, 10(1).

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: April 1, 2024

2024 journal article

Mapping predicted biomass in cereal rye using 3D imaging and geostatistics

Weed Science.

By: A. Dobbs, A. Goldsmith, D. Ginn, S. Skovsen, M. Bagavathiannan, S. Mirsky, C. Reberg-Horton, R. Leon

Source: ORCID
Added: October 22, 2024

2024 article

Molecular analysis of St. Augustinegrass cultivar mixtures composition over time and latitude

Laat, R., Leon, R. G., Dale, A. G., Gouveia, B., Carbajal, E. M., Schiavon, M., … Milla-Lewis, S. R. (2024, September 22). CROP SCIENCE, Vol. 9.

Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 30, 2024

2024 article

Resistance or tolerance: distinction without a difference

Leon, R. G. (2024, January 15). WEED SCIENCE, Vol. 1.

author keywords: pesticide; herbicide; fungicide; insecticide; antibiotic; pest; weed
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 1, 2024

2024 journal article

Risk of weed seed and seedling emergence from poultry litter

AGROSYSTEMS GEOSCIENCES & ENVIRONMENT, 7(1).

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 1, 2024

2024 article

US cereal rye winter cover crop growth database

Huddell, A. M., Thapa, R., Marcillo, G. S., Abendroth, L. J., Ackroyd, V. J., Armstrong, S. D., … Mirsky, S. B. (2024, February 13). SCIENTIFIC DATA, Vol. 11.

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: February 26, 2024

2024 article

Weed community differences in row crops with varying input levels in Ghana

Oreja, F. H., Arthur, S., Bolfrey-Arku, G., Mochiah, M. B., Klutse, V., Yorke, M., … Leon, R. G. (2024, October 9). WEED SCIENCE, Vol. 10.

By: F. Oreja*, S. Arthur, G. Bolfrey-Arku, M. Mochiah, V. Klutse, M. Yorke, S. Hukporti, I. Dzomeku ...

author keywords: Diversity; evenness; maize; peanut; population growth rate; richness
Sources: Web Of Science, NC State University Libraries
Added: October 21, 2024

2023 journal article

A survey of weed research priorities: key findings and future directions

WEED SCIENCE, 71(4), 330–343.

author keywords: Education; funding; investment; research
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 14, 2023

2023 article

Addressing biases in replacement series: the importance of reference density selection for interpretation of competition outcomes

Leon, R. G., Oreja, F. H., Mirsky, S. B., & Reberg-Horton, C. (2023, October 5). WEED SCIENCE, Vol. 10.

author keywords: Competition; crop; interference; weed
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 20, 2023

2023 article

Brassica carinata physiological response to land preparation method and seeding rate

Iboyi, J. E., Mulvaney, M. J., Leon, R. G., Balkcom, K. S., Bashyal, M., Perondi, D., … Small, I. M. (2023, January 12). JOURNAL OF CROP IMPROVEMENT, Vol. 1.

author keywords: Tillage; planting density; carinata physiology; photosynthesis; oilseed crop; agronomic management
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 30, 2023

2023 article

Breeding allelopathy in cereal rye for weed suppression

Rebong, D., Henriquez Inoa, S., Moore, V. M., Reberg-Horton, S. C., Mirsky, S., Murphy, J. P., & Leon, R. G. (2023, November 17). WEED SCIENCE, Vol. 11.

author keywords: Allelochemical; benzoxazinoid; cover crop; DIBOA; genetics; selection
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 16, 2024

2023 journal article

Changes in the herbicide sensitivity and competitive ability of <i>Abutilon theophrasti</i> over 28 years: Implications for hormesis and weed evolution

Pest Management Science, 79(10), 4048–4056.

author keywords: weed evolution; hormesis; competition; herbicide tolerance; velvetleaf
TL;DR: It is demonstrated that weeds can rapidly evolve increased competitive ability and the results indicated the possibility of changes in glyphosate hormesis over time. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: June 14, 2023

2023 journal article

Confirmation and detection of novel acetolactate synthase- and protoporphyrinogen oxidase–inhibiting herbicide-resistant redroot pigweed (Amaranthus retroflexus) populations in North Carolina

Weed Science.

TL;DR: Greenhouse dose–response assays confirmed that the Camden County and Pasquotank County populations were less sensitive to ALS- and PPO-inhibiting herbicides compared with susceptible A. retroflexus populations, suggesting the evolution of resistance to these herbicides, and single-nucleotide polymorphism genotyping assays were developed to enable efficient screening of future control failures. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: ORCID
Added: February 15, 2023

2023 article

Confirmation of a five-way herbicide-resistant Amaranthus tuberculatus population in North Carolina

Jones, E. A. L., Andres, R. J., Owen, M. D. K., Dunne, J. C., Contreras, D. J., Cahoon, C. W., … Everman, W. J. (2023, July 22). WEED RESEARCH, Vol. 7.

author keywords: herbicide resistance; invasive species; weed management
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 22, 2023

2023 article

Confusion and ambiguity concerning the terms "resistance" and "tolerance" in aquatic plant management

Thum, R. A., Sperry, B. P., Chorak, G. M., Leon, R. G., & Ferrell, J. (2023, May 18). WEED SCIENCE, Vol. 5.

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 18, 2023

2023 article

Demographics of Palmer amaranth (<i>Amaranthus palmeri</i>) in annual and perennial cover crops

Weisberger, D. A., Leon, R. G., Gruner, C. E., Levi, M., Gaur, N., Morgan, G., & Basinger, N. T. (2023, November 17). WEED SCIENCE, Vol. 11.

By: D. Weisberger*, R. Leon n, C. Gruner, M. Levi*, N. Gaur*, G. Morgan*, N. Basinger*

author keywords: Cover crops; integrated weed management; living mulch; seedling recruitment; weed density; weed biomass; weed population dynamics; weed seedbank
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 22, 2024

2023 article

Discrimination between protoporphyrinogen oxidase-inhibiting herbicide-resistant and herbicide-susceptible redroot pigweed (Amaranthus retroflexus) with spectral reflectance

Jones, E. A. L., Austin, R., Dunne, J. C., Leon, R. G., & Everman, W. J. (2023, May 2). WEED SCIENCE, Vol. 5.

author keywords: PPO; remote sensing; resistance management; weed management
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 3, 2023

2023 journal article

Double-cropping effects of Brassica carinata and summer crops: I. Effects of summer cropping history on carinata production

INDUSTRIAL CROPS AND PRODUCTS, 194.

author keywords: Oilseed crop; Crop rotation; Crop sequence; Double-cropping; Biofuel; Fallow replacement; Winter crop
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: May 1, 2023

2023 journal article

Double-cropping effects of Brassica carinata and summer crops: II. Effects of winter cropping history on subsequent summer crop production

INDUSTRIAL CROPS AND PRODUCTS, 197.

author keywords: Double-cropping; Cropping sequence; Jet-fuel; Fallow replacement; Winter oilseed
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: May 1, 2023

2023 article

Evaluation of electrical and mechanical Palmer amaranth (Amaranthus palmeri) management in cucumber, peanut, and sweetpotato

Moore, L. D. D., Jennings, K. M. M., Monks, D. W. W., Boyette, M. D. D., Leon, R. G. G., Jordan, D. L. L., … Chang, P. (2023, January 22). WEED TECHNOLOGY, Vol. 1.

author keywords: Palmer amaranth; Amaranthus palmeri S; Watson; cucumber; Cucumis sativus L; 'Maxi pick'; peanut; Arachis hypogaea L; 'Walton'; sweetpotato; Ipomoea batatas (L; ) Lam; 'Covington'; Electric weed control; mechanical weed control; weed control; alternative weed management; organic weed control
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 23, 2023

2023 journal article

Fecundity and maternal effects on Palmer amaranth height following season-long interference in corn, cotton, and peanut

CROP FORAGE & TURFGRASS MANAGEMENT, 9(2).

By: D. Mahoney n, D. Jordan n, R. Leon n, F. Oreja* & N. Roma-Burgos

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 25, 2023

2023 article

Influence of burial depth and soil disturbance on the emergence of common weed species in the Iberian Peninsula

Sousa-Ortega, C., Leon, R. G., Lopez-Martinez, N., & Castro-Valdecantos, P. (2023, May 29). WEED SCIENCE, Vol. 5.

author keywords: Biological weed management; IWM; weed emergence
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 30, 2023

2023 article

Low carrier volume herbicide trials and UAAS support management efforts of giant salvinia (Salvinia molesta): a case study

Howell, A. W., Haug, E. J., Everman, W. J., Leon, R. G., & Richardson, R. J. (2023, May 18). INVASIVE PLANT SCIENCE AND MANAGEMENT, Vol. 5.

author keywords: Aquatic fern; drone; free-floating plant; noxious weed; spray methods
UN Sustainable Development Goal Categories
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 18, 2023

2023 article

PROTAC for agriculture: learning from human medicine to generate new biotechnological weed control solutions

Leon, R. G., & Bassham, D. C. (2023, September 12). PEST MANAGEMENT SCIENCE, Vol. 9.

author keywords: weeds; protac; resistance; herbicides; PEST; PESTICIDE
TL;DR: An overview of how PROTAC works is provided and the possible applications for weed control as well as the challenges that this technology might face during development and implementation for field uses are described. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 24, 2023

2023 journal article

Performance of unoccupied aerial application systems for aquatic weed management: Two novel case studies

Weed Technology, 37(3), 277–286.

author keywords: Aquatic weeds; spray technology; drone; remote sensing; pesticide application
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: May 22, 2023

2023 journal article

Previous crop and herbicide timing application effects on weed population growth rate

CROP FORAGE & TURFGRASS MANAGEMENT, 9(2).

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 18, 2023

2023 journal article

Rapid evolution of competitive ability in giant foxtail (<i>Setaria faberi</i>) over 34 years

Weed Science, 71(1), 59–68.

author keywords: Cell wall; competition; Darwin; directional selection; invasiveness; natural selection; replacement series; resurrection; weediness; transcription factor
TL;DR: This is the first study providing direct in situ evidence of rapid directional evolution of competitive ability in a plant species and the results suggest that agricultural systems can exert enough pressure to cause evolutionary adaptations of complex life-history traits, potentially increasing weediness and invasiveness. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: January 25, 2023

2023 journal article

Subsurface Lateral Solute Transport in Turfgrass

AGRONOMY-BASEL, 13(3).

By: M. Camacho n, C. Faundez-Urbina*, A. Amoozegar n, T. Gannon n, J. Heitman n & R. Leon n

author keywords: nonpoint source; pollution; pesticides; runoff; turfgrass quality
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 21, 2023

2023 article

Summer crop rotational effects on carinata nitrogen management in the southeastern USA

Bashyal, M., Mulvaney, M. J., Devkota, P., Wilson, C., Iboyi, J. E., Leon, R. G., … Boote, K. J. (2023, June 12). AGRONOMY JOURNAL, Vol. 6.

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 13, 2023

2023 article

The impact of burial depth on <i>Centaurea dilut</i>a emergence and modelling of its growth using a nonlinear regression and artificial neural network

Sousa-Ortega, C., Alcantara, C., Leon, R. G., Barranco-Elena, D., & Saavedra, M. (2023, November 15). PEST MANAGEMENT SCIENCE, Vol. 11.

author keywords: North African knapweed; seedling emergence; growth modelling; artificial neural networks; non-linear regression
TL;DR: Seed burial at 5 cm depth is an effective method reducing C. diluta emergence and ANNs accurately predicted the leaf number employing environmental variables can help increase the efficiency of C. Diluta control actions and reduce the risk of escapes. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 4, 2023

2023 journal article

Using structure-from-motion to estimate cover crop biomass and characterize canopy structure

FIELD CROPS RESEARCH, 302.

author keywords: Cover crop; Biomass; Structure-from-Motion; Point cloud; Weed suppression; 3-D
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: October 16, 2023

2023 article

Variability structure and heritability of germination timing in <i>Capsella bursa-pastoris</i> (L.) Medik. (Shepherd&apos;s purse)

Dobbs, A. M., Sousa-Ortega, C., Holland, J. B., Snyder, L. U., & Leon, R. G. (2023, December 9). WEED RESEARCH, Vol. 12.

author keywords: germination variability; interpopulation; intrapopulation; weed
TL;DR: Maintaining predominantly intrapopulation variability in germination timing appears to be important for long‐term fitness in this species. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: January 2, 2024

2023 article

Views of RNAi approaches for weed management in turfgrass systems

Ethridge, S. R., Grieger, K., Locke, A. M., Everman, W. J., Jordan, D. L., & Leon, R. G. (2023, July 10). WEED SCIENCE, Vol. 7.

author keywords: Acceptance; adoption; biotechnology; control; perception; pest
TL;DR: The need for new herbicides to balance weed control challenges and public demands is a central factor for turfgrass managers' willingness to use RNAi-based weed control in turfgrass systems. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 10, 2023

2022 journal article

Assessing weediness potential of Brassica carinata (A.) Braun in the southeastern United States

INDUSTRIAL CROPS AND PRODUCTS, 188.

author keywords: Weed risk assessment (WRA); Plant risk evaluation; Ethiopian mustard; Invasive; Oilseed
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 21, 2022

2022 journal article

Biological effects on Palmer amaranth surviving glufosinate

AGROSYSTEMS GEOSCIENCES & ENVIRONMENT, 5(4).

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 9, 2022

2022 article

Brassica carinata nutrient accumulation and partitioning across maturity types and latitude

Bashyal, M., Mulvaney, M. J., Crozier, C. R., Iboyi, J. E., Perondi, D., Post, A., … Devkota, P. (2023, February 15). CROP SCIENCE, Vol. 2.

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 16, 2023

2022 article

Control of pervasive row crop weeds with dicamba and glufosinate applied alone, mixed, or sequentially

Jones, E. A. L., Leon, R. G., & Everman, W. J. (2022, October 24). WEED TECHNOLOGY, Vol. 10.

author keywords: dicamba; glufosinate; common ragweed; Ambrosia artemisiifolia L; 'AMBEL'; goosegrass; Eleusine indica (L; ) Gaertn; 'ELEIN'; ivyleaf morningglory; Ipomoea hederacea L; 'IPOHE'; large crabgrass; Digitaria sanguinalis (L; ) Scop; 'DIGSA'; Palmer amaranth; Amaranthus palmeri S; Watson 'AMAPA'; sicklepod; Senna obtusifola (L; ) Irwin & Barneby 'CASOB'; Weed management; herbicide resistance; herbicide antagonism
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 24, 2022

2022 journal article

Critical period of grass weed control in ALS-tolerant grain sorghum (Sorghum bicolor) is affected by planting date and environment

FRONTIERS IN AGRONOMY, 4.

author keywords: weed removal; weed free period; grass competition; grain sorghum; ALS-inhibitor
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: July 3, 2023

2022 journal article

Crop physiological considerations for combining variable-density planting to optimize seed costs and weed suppression

Weed Science, 70(6), 687–697.

author keywords: Integrated weed management; optimization model; planting density
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: November 12, 2022

2022 article

Effect of cotton herbicide programs on weed population trajectories and frequency of glyphosate-resistant Palmer amaranth (Amaranthus palmeri)

Oreja, F. H., Inman, M. D., Jordan, D. L., Vann, M., Jennings, K. M., & Leon, R. G. (2022, July 29). WEED SCIENCE, Vol. 7.

author keywords: Antagonism; biotype; dicamba; goosegrass; population dynamics; seedbank
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 30, 2022

2022 journal article

Eradication of Commelina benghalensis in a long-term experiment using a multistakeholder governance model: a case of regulatory concerns defeating ecological management success

INVASIVE PLANT SCIENCE AND MANAGEMENT, 15(3), 152–159.

author keywords: Decision; fumigation; invasion; mapping; monitoring; negotiation; scouting
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 13, 2022

2022 article

Evaluation of imazapic and flumioxazin carryover risk for Carinata (Brassica carinata) establishment

Camacho, M. E., Gannon, T. W., Ahmed, K. A., Mulvaney, M. J., Heitman, J. L., Amoozegar, A., & Leon, R. G. (2022, May 11). WEED SCIENCE, Vol. 5.

author keywords: Crop rotation; herbicide; plant-back; rotation interval
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 11, 2022

2022 journal article

Genome-Wide Evolutionary Analysis of Putative Non-Specific Herbicide Resistance Genes and Compilation of Core Promoters between Monocots and Dicots

GENES, 13(7).

author keywords: non-target site; cytochrome-P450; monooxygenase; gluthatione; transferase; metabolism
MeSH headings : Cytochrome P-450 Enzyme System / genetics; Cytochrome P-450 Enzyme System / metabolism; Herbicide Resistance / genetics; Herbicides / pharmacology; Magnoliopsida / genetics; Phylogeny; Poaceae / genetics; Promoter Regions, Genetic
TL;DR: The description of putative NTSR enzymes may be used to develop innovative weed control techniques to delay the evolution of NTSR. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 1, 2022

2022 article

In-field assessment of EPSPS amplification on fitness cost in mixed glyphosate-resistant and glyphosate-sensitive populations of Palmer amaranth (Amaranthus palmeri)

Cahoon, C. W., Jordan, D. L., Tranel, P. J., York, A. C., Riggins, C., Seagroves, R., … Leon, R. (2022, October 24). WEED SCIENCE, Vol. 10.

author keywords: EPSPS amplification; resistance
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 24, 2022

2022 journal article

Modeling weed community diversity based on species population density dynamics and herbicide use intensity

EUROPEAN JOURNAL OF AGRONOMY, 138.

author keywords: Amaranthus palmeri; Eleusine indica; Dicamba; Diversity; Evenness; Glyphosate; Richness
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: July 18, 2022

2022 article

New directions in weed management and research using 3D imaging

Dobbs, A. M., Ginn, D., Skovsen, S. K., Bagavathiannan, M. V., Mirsky, S. B., Reberg-Horton, C. S., & Leon, R. G. (2022, October 14). WEED SCIENCE, Vol. 10.

author keywords: Integrated weed management; point cloud; remote sensing; stereo vision; structure-from-motion
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 14, 2022

2022 article

Poultry litter and nitrogen fertilizer effects on productivity and nutritive value of crabgrass

Sosinski, S., Castillo, M. S., Kulesza, S., & Leon, R. (2022, September 7). CROP SCIENCE, Vol. 9.

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
14. Life Below Water (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 8, 2022

2022 journal article

Response of Maize, Cotton, and Soybean to Increased Crop Density in Heterogeneous Planting Arrangements

Agronomy, 12(5), 1238.

By: S. Ethridge n, A. Locke n, W. Everman n, D. Jordan n & R. Leon n

author keywords: best management practices; crop growth and development; crop ecology; cotton; maize; soybean; weed management
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries, Crossref
Added: May 27, 2022

2022 article

Surveying stakeholder's perception of glufosinate and use in North Carolina

Jones, E. A. L., Cahoon, C. W., Leon, R. G., & Everman, W. J. (2022, May 16). WEED TECHNOLOGY, Vol. 5.

author keywords: Glufosinate; cotton; Gosspium hirsutum L; corn; Zea mays L; soybean; Glycine max L; Merr; Glufosinate-tolerant crops; herbicide resistance management; weed management; survey
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: May 16, 2022

2022 journal article

Use of synthetic images for training a deep learning model for weed detection and biomass estimation in cotton

SCIENTIFIC REPORTS, 12(1).

MeSH headings : Deep Learning; Biomass; Neural Networks, Computer; Plant Weeds; Crops, Agricultural; Poaceae; Gossypium; Image Processing, Computer-Assisted / methods
TL;DR: The findings of this study offer valuable insights for guiding future endeavors oriented towards using synthetic images for weed detection and segmentation, and biomass estimation in row crops. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 5, 2022

2022 article

Using weed emergence and phenology models to determine critical control windows for winter-grown carinata (Brassica carinata)

Reinhardt Piskackova, T. A., & Leon, R. G. (2022, June 3). WEED SCIENCE, Vol. 6.

author keywords: Competition; control; interference; modeling; timing
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 3, 2022

2022 article

Utilization of image-based spectral reflectance to detect herbicide resistance in glufosinate-resistant and glufosinate-susceptible plants: a proof of concept

Jones, E. A. L., Austin, R., Dunne, J. C., Cahoon, C. W., Jennings, K. M., Leon, R. G., & Everman, W. J. (2022, December 19). WEED SCIENCE, Vol. 12.

author keywords: Herbicide resistance; rapid assay; remote sensing; resistant crop
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 19, 2022

2021 journal article

A granular fertilizer carrier impregnated with metsulfuron injures centipedegrass when applied at excessive rates

CROP FORAGE & TURFGRASS MANAGEMENT, 7(1).

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 19, 2021

2021 journal article

A population genetics approach for the study of fluridone resistance in hydrilla

AQUATIC INVASIONS, 16(1), 28–42.

By: L. Gettys & R. Leon

author keywords: Hardy-Weinberg; herbicide resistance; asexual reproduction; modeling; evolution; allele
TL;DR: The present study illustrates how the Hardy-Weinberg principle of constant allele frequencies can be used as an exploratory tool to model resistance evolution in asexually reproducing species such as hydrilla. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: June 28, 2021

2021 article

Amaranthus palmeri a New Invasive Weed in Spain with Herbicide Resistant Biotypes (vol 10, 993, 2020)

Torra, J., Royo-Esnal, A., Romano, Y., Osuna, M. D., Leon, R. G., & Recasens, J. (2021, July). AGRONOMY-BASEL, Vol. 11.

TL;DR: The authors would like to make the following correction to the published paper: The results obtained in this study allowed for multiple experimental techniques to be applied to the discrete-time response of the immune system. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: June 30, 2021

2021 journal article

Biochar affects soil water content but not soybean yield in a sandy southeastern US soil

AGROSYSTEMS GEOSCIENCES & ENVIRONMENT, 4(3).

Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 30, 2021

2021 article

Brassica carinata biomass, yield, and seed chemical composition response to nitrogen rates and timing on southern Coastal Plain soils in the United States

Bashyal, M., Mulvaney, M. J., Lee, D., Wilson, C., Iboyi, J. E., Leon, R. G., … Boote, K. J. (2021, June 4). GLOBAL CHANGE BIOLOGY BIOENERGY, Vol. 6.

author keywords: agronomic management; AONR; carinata growth; cropping systems; EONR; jet fuel; nitrogen use efficiency; soil fertility; uncertainty analysis
Sources: Web Of Science, NC State University Libraries
Added: June 14, 2021

2021 journal article

Characterization of carinata tolerance to select herbicides using field dose-response studies

WEED TECHNOLOGY, 35(6), 957–966.

author keywords: Crop rotation; crop tolerance; herbicide selectivity; integrated weed management; volunteer crop control
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
3. Good Health and Well-being (OpenAlex)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 12, 2021

2021 journal article

Cover Image

Weed Research, 61(3).

By: T. Piskackova, S. Reberg‐Horton, R. Richardson, K. Jennings, L. Franca, B. Young, R. Leon

Source: ORCID
Added: May 26, 2021

2021 journal article

Emergence patterns of winter and summer annual weeds in Ethiopian mustard (Brassica carinata) cropping system

WEED SCIENCE, 69(4), 446–453.

author keywords: Abyssinian cabbage; Brassica carinata system; crop rotation; weed emergence; weed seedbank
TL;DR: The results showed that summer weeds can emerge during the winter in northern Florida but do not survive frost damage, which might create off-season seedbank reductions before the summer crop growing season. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 31, 2021

2021 journal article

Evaluating shade cloth to simulate Palmer amaranth (Amaranthus palmeri) competition in sweetpotato

WEED SCIENCE, 69(4), 478–484.

author keywords: Light competition; light interception
TL;DR: Results indicate that shade cloth structures can be used to simulate Covington sweetpotato yield loss from A. palmeri competition, and light interception could be used as a predictor for expected yield loss as well as reduced versus full models of yield loss. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 19, 2021

2021 journal article

Influence of herbicides on germination and quality of Palmer amaranth (Amaranthus palmeri) seed

WEED TECHNOLOGY, 35(5), 786–789.

author keywords: Seed viability
TL;DR: Chemical treatments applied to gynoecious Palmer amaranth inflorescence at the 2× registered application rates did not affect the quality of seeds that germinated and Crush tests showed that seed viability was greater than 95%, thus dicamba did not have a strong effect on seed viability. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 3, 2022

2021 article

Nitrogen leaching and Tifway bermudagrass response to simultaneous nutrient and pre-emergence herbicide applications

Maia, L. O. R., Shaddox, T. W., Leon, R. G., & Unruh, J. B. (2021, November 23). JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 11.

MeSH headings : Cynodon; Fertilizers; Herbicides; Nitrogen / analysis; Nutrients; Soil
TL;DR: The results indicated that the use of sparged fertilizers with PRE herbicides does not result in increased N leaching nor reduced N uptake. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: December 6, 2021

2021 journal article

Palmer Amaranth (Amaranthus palmeri) Growth and Seed Production When in Competition with Peanut and Other Crops in North Carolina

AGRONOMY-BASEL, 11(9).

By: D. Mahoney n, D. Jordan n, A. Hare n, R. Leon n, N. Roma-Burgos, M. Vann n, K. Jennings n, W. Everman n, C. Cahoon n

author keywords: crop competition; fecundity; weed interference
TL;DR: Results illustrate the importance of controlling weeds during the first three weeks of the season relative to contributions of A. palmeri to the weed seed bank and is the first report comparing seed production in presence of these crops in a manner allowing a statistical comparison of seed production. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 31, 2021

2021 article

Population and quantitative genetic analyses of life-history trait adaptations in Amaranthus palmeri S. Watson

Leon, R. G., & Laat, R. (2021, July 13). WEED RESEARCH, Vol. 7.

By: R. Leon n & R. Laat n

author keywords: adaptation; evolution; gene; genetics; traits; weed; weediness
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: July 14, 2021

2021 article

Population growth rates of weed species in response to herbicide programme intensity and their impact on weed community

Oreja, F. H., Inman, M. D., Jordan, D. L., & Leon, R. G. (2021, September 19). WEED RESEARCH, Vol. 9.

author keywords: Amaranthus palmeri; cotton; dicamba; diversity; glyphosate; herbicide-resistant cotton; richness
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 20, 2021

2021 journal article

Safety and efficacy of linuron with or without an adjuvant or S-metolachlor for POST control of Palmer amaranth (Amaranthus palmeri) in sweetpotato

WEED TECHNOLOGY, 35(3), 471–475.

author keywords: Linuron; S-metolachlor; Palmer amaranth; Amaranthus palmeri S; Wats AMAPA; Ipomoea batatas (L; ) Lam; 'Covington'; Weed control; surfactant; nonionic surfactant; tank mix
TL;DR: A system that includes linuron applied 7 DAP followed by S-metolachlor applied 14 DAP could help to extend residual Palmer amaranth control further into the critical period of weed control while minimizing sweetpotato injury. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 2, 2021

2021 journal article

Seed germination responses to soil hydraulic conductivity and polyethylene glycol (PEG) osmotic solutions

PLANT AND SOIL, 462(1-2), 175–188.

author keywords: Seed germination; Plant ecology; Soil physics; Seed priming; Osmotic potential; water potential
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 5, 2021

2021 article

Susceptibility of Palmer amaranth accessions in North Carolina to atrazine, dicamba, S-metolachlor, and 2,4-D

Moore, L. D., Jennings, K. M., Monks, D. W., Jordan, D. L., Boyette, M. D., Leon, R. G., … Cahoon, C. W. (2021, November 24). CROP FORAGE & TURFGRASS MANAGEMENT, Vol. 11.

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: November 18, 2021

2021 journal article

The Impacts of Micronutrient Fertility on the Mineral Uptake and Growth of Brassica carinata

AGRICULTURE-BASEL, 11(3), 221.

TL;DR: It is demonstrated that Brassica carinata has different fertility demands and will accumulate differing leaf tissue concentrations during its life stages, and serves as a baseline for further uptake and portioning work for BrassicaCarinata. (via Semantic Scholar)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 9, 2021

2021 journal article

Tillage system and seeding rate effects on the performance of Brassica carinata

GLOBAL CHANGE BIOLOGY BIOENERGY, 13(4), 600–617.

author keywords: agronomic management; agronomic performance; land preparation; oilseed crop; penetrometer resistance
Sources: Web Of Science, NC State University Libraries
Added: March 8, 2021

2021 journal article

Windows of action for controlling palmer amaranth (Amaranthus palmeri) using emergence and phenology models

WEED RESEARCH, 61(3), 188–198.

author keywords: competition; critical period of weed control; hydrothermal time; integrated weed management; modelling; plant stages; prediction; thermal time; weed
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: February 25, 2021

2020 journal article

Amaranthus palmeri a New Invasive Weed in Spain with Herbicide Resistant Biotypes

Agronomy, 10(7), 993.

author keywords: alien plant; ALS inhibitors; dendrogram; glyphosate; inter simple sequence repeat (ISSR) DNA fingerprinting; maize; nicosulfuron-methyl; target-site resistance
TL;DR: Resistance to ALS inhibitors was due to several amino acid substitutions in positions Pro197, Trp574 and Ser653, and the substitutions Ser653Ile and Pro197Thr are described for the first time in this species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Source: ORCID
Added: July 11, 2020

2020 journal article

Bahiagrass pasture and elephantgrass bioenergy cropping systems differ in root traits

AGRONOMY JOURNAL, 112(6), 4810–4821.

UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: September 29, 2020

2020 journal article

Brassica carinata genotypes demonstrate potential as a winter biofuel crop in South East United States

Industrial Crops and Products, 150, 112353.

By: S. Kumar*, R. Seepaul*, M. Mulvaney*, B. Colvin, S. George, J. Marois*, R. Bennett, R. Leon n, D. Wright*, I. Small*

author keywords: Biofuels; Renewable; Aviation jet fuel; Bio-based products; Oil seed
TL;DR: Brassica carinata has potential as a viable bioenergy winter crop to be integrated into the cropping systems in the SE US and other regions of the world. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: ORCID
Added: April 3, 2020

2020 journal article

Creating Predictive Weed Emergence Models Using Repeat Photography and Image Analysis

Plants, 9(5), 635.

author keywords: emergence models; sigmoidal models; RGB; maximum likelihood analysis; supervised classification
TL;DR: A simple image analysis approach based on time-dependent changes in weed cover can be used to generate weed emergence predictive models equivalent to those produced based on seedling counts, providing a new low-cost and technologically simple tool for data collection. (via Semantic Scholar)
Source: ORCID
Added: May 29, 2020

2020 journal article

Current outlook and future research needs for harvest weed seed control in North American cropping systems

Pest Management Science.

author keywords: herbicide resistance management; integrated weed management; soil seed bank
MeSH headings : Australia; Herbicide Resistance; Herbicides / pharmacology; North America; Plant Weeds; Seeds; United States; Weed Control
TL;DR: Growers must be integrated into large-scale, on-farm research and development activities aimed at alleviating the problems of using HWSC systems in North America and drive greater adoption subsequently, to address potential limitations as well as economics. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: ORCID
Added: July 7, 2020

2020 journal article

Growing winter Brassica carinata as part of a diversified crop rotation for integrated weed management

GCB Bioenergy.

author keywords: crop rotation; integrated weed management; summer weeds; weed population dynamics; weed seed bank; winter weeds
Source: ORCID
Added: January 15, 2021

2020 journal article

Herbicide systems including linuron for Palmer amaranth (Amaranthus palmeri) control in sweetpotato

WEED TECHNOLOGY, 35(1), 49–56.

author keywords: Flumioxazin; linuron; oryzalin; S-metolachlor; Palmer amaranth; Amaranthus palmeri S; Watson AMAPA; Weed control; herbicide tillage; herbicide cultivation
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 1, 2021

2020 journal article

Incorporating environmental factors to describe wild radish (Raphanus raphanistrum) seedling emergence and plant phenology

WEED SCIENCE, 68(6), 627–638.

author keywords: Hydrothermal time; integrated weed management; predictive models; thermal time; weed growth
TL;DR: Wild radish exhibited a biphasic pattern of emergence, with emergence peaks occurring in both fall and spring, and traditional sigmoidal models were inadequate to fit this pattern, regardless of the predictive environmental variable. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: August 26, 2020

2020 journal article

Influence of timing and intensity of weed management on crop yield and contribution to weed emergence in cotton the following year

CROP FORAGE & TURFGRASS MANAGEMENT, 6(1).

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 20, 2020

2020 journal article

Integrating emergence and phenology models to determine windows of action for weed control: A case study using Senna obtusifolia

FIELD CROPS RESEARCH, 258.

author keywords: Weed predictive modeling; Thermal time; Hydrothermal time; Vulnerable stages; Integrated weed management; Critical period of weed control
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 9, 2020

2020 journal article

Peanut nitrogen credits to winter wheat are negligible under conservation tillage management in the southeastern USA

FIELD CROPS RESEARCH, 249.

author keywords: Peanut (Arachis hypogaea L.); Winter wheat (Triticum aestivum L.); Nitrogen credits; Conservation tillage
TL;DR: It is suggested that assuming peanut provides N credits to subsequent crops in the southeastern USA is not justified and, if assumed, will reduce the productivity of subsequent crops. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: May 8, 2020

2020 journal article

Response of agronomic crops to planting date and double-cropping with wheat

AGRONOMY JOURNAL, 112(3), 1972–1980.

By: A. Hare n, D. Jordan n, K. Edmisten n, R. Leon n, A. Post n, R. Vann n, E. Dunphy n, R. Heiniger n, G. Collins n, D. Washburn n

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 20, 2020

2020 journal article

Short-term effects of bioenergy cropping on soil carbon and nitrogen dynamics in a Florida Ultisol

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 84(4), 1233–1246.

Sources: Web Of Science, NC State University Libraries
Added: December 11, 2020

2020 journal article

Simulation Models on the Ecology and Management of Arable Weeds: Structure, Quantitative Insights, and Applications

Agronomy, 10(10), 1611.

author keywords: weed seedling emergence; crop-weed competition; weed population dynamics; gene flow; herbicide resistance; decision-support tools; predictive models
TL;DR: An overview of the nature and application of a full range of simulation models on the ecology, biology, and management of arable weeds, and how they have been used to provide insights and directions for decision making when long-term weed population trajectories are impractical to be determined using field experimentation is presented. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: ORCID
Added: October 22, 2020

2020 journal article

Susceptibility of Palmer amaranth (Amaranthus palmeri) to herbicides in accessions collected from the North Carolina Coastal Plain

WEED SCIENCE, 68(6), 582–593.

By: D. Mahoney n, D. Jordan n, N. Roma-Burgos, K. Jennings n, R. Leon n, M. Vann n, W. Everman n, C. Cahoon n

author keywords: Herbicide resistance; multiple resistance
TL;DR: Data suggest A. palmeri resistant to chemistries other than glyphosate and thifensulfuron-methyl are present in NC, which highlights the need for weed management approaches to mitigate the evolution and spread of herbicide-resistant populations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: October 24, 2020

2020 journal article

The influence of soybean population and POST herbicide application timing on in-season and subsequent-season Palmer amaranth (Amaranthus palmeri) control and economic returns

WEED TECHNOLOGY, 35(1), 106–112.

By: D. Mahoney n, D. Jordan n, A. Hare n, N. Roma-Burgos, K. Jennings n, R. Leon n, M. Vann n, W. Everman n, C. Cahoon n

author keywords: Weed interference; resistance management; cultural practices; Clethodim; fomesafen; Palmer amaranth; Amaranthus palmeri S; Wats; cotton; Gossypium hirsutum L. soybean; Glycine max (L.) Merr
TL;DR: Increasing soybean population can improve Palmer amaranth control without adversely affecting economic returns and can reduce future weed densities. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 1, 2021

2020 journal article

The role of population and quantitative genetics and modern sequencing technologies to understand evolved herbicide resistance and weed fitness

Pest Management Science.

author keywords: genetics; weeds; pest; evolution
MeSH headings : Genome-Wide Association Study; Herbicide Resistance / genetics; Herbicides / pharmacology; Plant Weeds / genetics; Weed Control
TL;DR: The use of tools such as quantitative trait loci mapping, genome‐wide association studies, and genomic prediction will allow pest management scientists to better explain how pests adapt to control tools and how specific genotypes thrive and spread across agroecosystems and other human‐disturbed systems. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: ORCID
Added: July 7, 2020

2020 journal article

Tolerance of pintoi peanut to PRE and POST herbicides

WEED TECHNOLOGY, 34(6), 870–875.

author keywords: 2,4-D; carfentrazone; imazapic; imazethapyr; pendimethalin; sulfosulfuron; pintoi peanut; Arachis pintoi Krap. and Greg.; 'Amarillo'
TL;DR: Pintoi peanut appears to tolerate applications of 2,4-D, carfentrazone, imazapic and imazethapyr the year after planting at the rates utilized in this study, and should be evaluated to obtain satisfactory weed control and selectivity in pintoi peanuts swards. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: January 4, 2021

2020 journal article

Tolerance of rhizoma perennial peanut to glyphosate and triclopyr

WEED TECHNOLOGY, 35(4), 525–531.

author keywords: Glyphosate; triclopyr; rhizoma perennial peanut; Arachis glabrata Benth; Forage crop; herbicide injury; perennial peanut varieties
TL;DR: Results from this research indicate that glyphosate and triclopyr appear to be safe to apply to long-established RPP stands, but herbicide rate and RPP varieties should be considered if stands are <5 yr old. (via Semantic Scholar)
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
14. Life Below Water (OpenAlex)
Sources: ORCID, Web Of Science, NC State University Libraries
Added: December 10, 2020

2020 journal article

Weed Management Guide for Florida Lawns

EDIS.

By: J. Unruh*, L. Trenholm*, E. Harlow* & R. Leon n

Source: ORCID
Added: September 29, 2020

2019 journal article

Amending marginal sandy soils with biochar and lignocellulosic fermentation residual sustains fertility in elephantgrass bioenergy cropping systems

NUTRIENT CYCLING IN AGROECOSYSTEMS, 115(1), 69–83.

author keywords: Soil fertility; Nutrient management; Bioenergy; Elephantgrass; Residuals; Biochar; Nutrient cycling
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 20, 2020

2019 journal article

Application Timing Affects Tolerance of Zoysiagrass to Fluazifop-P-butyl and Safening Effect of Triclopyr

CROP SCIENCE, 59(4), 1789–1798.

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 20, 2020

2019 journal article

Brassica carinata Seeding Rate and Row Spacing Effects on Morphology, Yield, and Oil

AGRONOMY JOURNAL, 111(2), 528–535.

Sources: Web Of Science, NC State University Libraries
Added: April 20, 2020

2019 journal article

Cotton response to preplant applications of 2,4-D or dicamba

WEED TECHNOLOGY, 34(1), 96–100.

By: K. Price*, X. Li*, R. Leon n & A. Price*

author keywords: 2; 4-D; dicamba; cotton; Gossypium hirsutum L; Stunting; stand reduction; plant height; yield loss
TL;DR: The data suggest that stunting and stand reduction may occur if susceptible varieties are planted soon after burndown applications with 2,4-D or dicamba, but yield may not be affected after a full growing season. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: April 20, 2020

2019 journal article

Coverage and drift potential associated with nozzle and speed selection for herbicide applications using an unmanned aerial sprayer

Weed Technology, 34(2), 235–240.

By: J. Hunter n, T. Gannon n, R. Richardson n, F. Yelverton n & R. Leon n

author keywords: Bradley Hanson; University of California; Davis; UAV; precision agriculture; site-specific; off-target; droplet; pesticide application
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
7. Affordable and Clean Energy (OpenAlex)
Source: ORCID
Added: October 9, 2019

2019 journal article

Influence of multiple herbicide resistance on growth in Amaranthus tuberculatus

WEED RESEARCH, 59(3), 235–244.

Ed(s): H. Darmency

author keywords: tall waterhemp; evolution; fitness penalty; herbicide resistance; weed management
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: ORCID, Web Of Science
Added: May 28, 2019

2019 journal article

Integration of remote‐weed mapping and an autonomous spraying unmanned aerial vehicle for site‐specific weed management

Pest Management Science.

By: J. Hunter n, T. Gannon n, R. Richardson n, F. Yelverton n & R. Leon n

author keywords: UAV; precision agriculture; site-specific; off-target; droplet; pesticide application; resistance; detection
MeSH headings : Agriculture; Plant Weeds; Remote Sensing Technology; Weed Control
TL;DR: The UAV‐IS has the potential to improve the detection and control of weed escapes to reduce/delay herbicide resistance evolution and provide a new strategy for integrated pest management programs to improve efficiency and efficacy while reducing the amount of pesticide being applied. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Source: ORCID
Added: October 18, 2019

2019 chapter

Sustainable Weed Management in Peanut.

In N. E. Korres, N. R. Burgos, & S. O. Duke (Eds.), Weed control: Sustainability, hazards and cropping systems worldwide (1st ed., pp. 345–366). CRC Press/Taylor & Francis Group.

By: R. Leon, D. Jordan, G. Bolfrey-Arku & I. Dzomeku

Ed(s): N. Korres, N. Burgos & S. Duke

Source: NC State University Libraries
Added: February 14, 2019

2019 journal article

Transgressive segregation and maternal genetic effects of non–target site fluazifop-P-butyl tolerance in Zoysia spp.

Weed Science, 67(05), 504–509.

author keywords: Te-Ming Paul Tseng; Mississippi State University; Acetyl-coenzyme A carboxylase; ACCase; herbicide resistance; genetic diversity; graminicide; inheritance; heritability; quantitative trait
TL;DR: The results suggested that fluazifop-P-butyl tolerance may be attributed to multiple genetic mechanisms, which could present a challenge for future breeding efforts because of the difficulty of fixing multiple traits within a breeding population. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Source: ORCID
Added: October 5, 2019

2019 journal article

Variation in tolerance mechanisms to fluazifop-P-butyl among selected zoysiagrass lines

WEED SCIENCE, 67(3), 288–295.

author keywords: ACCase; Acetyl-coenzyme A carboxylase; genetic diversity; graminicide; herbicide resistance
TL;DR: The results suggest that the diversity in tolerance to fluazifop-P-butyl in zoysiagrass germplasm is most likely the result of a combination of different, minor, additive non–target site mechanisms such as translocation rate and compartmentation after absorption. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: July 1, 2019

2019 chapter

Weed Management in Sugarcane

In N. E. Korres, N. R. Burgos, & S. O. Duke (Eds.), Weed control: Sustainability, hazards and cropping systems worldwide (1st ed., pp. 455–469). CRC Press/Taylor & Francis Group.

By: R. Leon & D. Odero

Ed(s): N. Korres, N. Burgos & S. Duke

Source: NC State University Libraries
Added: February 14, 2019

2018 journal article

Conventional harvest index methods may overestimate biomass and nutrient removal from abscising crop species

Communications in Soil Science and Plant Analysis, 49(22), 2889–2893.

author keywords: Soil fertility; nutrient cycling; macronutrients; micronutrients
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2018 journal article

Evaluation of verticutting and herbicides for tropical signalgrass (Urochloa subquadripara) control in turf

Weed Technology, 32(04), 392–397.

author keywords: Cultural practices; integrated weed management; verticutting
TL;DR: Based on data, verticutting may provide limited complementary control, but certain combinations of POST herbicides exhibited excellent TSG control. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2018 journal article

Extractable and Germinable Seedbank Methods Provide Different Quantifications of Weed Communities

Weed Science, 66(6), 715–720.

By: T. Reinhardt n & R. Leon n

author keywords: Agroecology; diversity; integrated weed management; plant ecology; seedbank
TL;DR: The results indicate the two methods are not strongly correlated, limiting the possibility of generating a conversion factor between methods, but evenness and Shannon-Weiner diversity might allow comparisons between both methods when the emphasis is on characterizing predominant weed species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2018 journal article

Frost Damage of Carinata Grown in the Southeastern US

EDIS, 2018(3).

Source: ORCID
Added: October 2, 2020

2018 journal article

Herbicidal and Seed Dormancy Induction Activity of Fermentation Residual Vinasse

WEED SCIENCE, 66(3), 317–323.

By: R. Leon n & R. Laat*

author keywords: Allelopathy; cultural practices; dormancy; germination; integrated weed management; natural herbicides; seed; seedbanks
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2018 journal article

Managing herbicide resistance: Listening to the perspective of practitioners. Procedures for conducting listening sessions and an evaluation of the process

Weed Technology, 32(04), 489–497.

By: J. Schroeder, M. Barrett*, D. Shaw*, A. Asmus, H. Coble n, D. Ervin*, R. Jussaume*, M. Owen* ...

author keywords: Herbicide resistance; listening sessions process
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2018 journal article

Managing wicked herbicide-resistance: Lessons from the field

Weed Technology, 32(04), 475–488.

By: J. Schroeder, M. Barrett*, D. Shaw*, A. Asmus, H. Coble n, D. Ervin*, R. Jussaume*, M. Owen* ...

author keywords: Herbicide resistance; herbicide resistance management; listening sessions; outreach
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2018 journal article

Peanut residue distribution gradients and tillage practices determine patterns of nitrogen mineralization

Nutrient Cycling in Agroecosystems, 113(1), 63–76.

author keywords: Peanut; Carbon; Nitrogen; Residues; Mineralization; Tillage
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 14, 2019

2018 journal article

Recurrent Changes of Weed Seed Bank Density and Diversity in Crop-Livestock Systems

AGRONOMY JOURNAL, 110(3), 1068–1078.

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Carinata (Brassica carinata) tolerance to preemergence and postemergence herbicides

Weed Technology, 31(06), 877–882.

author keywords: Crop establishment; crop rotation; integrated weed management; volunteer crop control
TL;DR: Pendimethalin, S-metolachlor, clopyralid and clethodim as potential herbicides for weed control in carinata, and flumioxazin, acifluorfen, bentazon, and carfentrazone as herbicides that can be used to control volunteercarinata plants in rotational crops are identified. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2017 journal article

Converting bahiagrass pasture land to elephantgrass bioenergy production enhances biomass yield and water quality

Agriculture Ecosystems and Environment, 248, 20–28.

author keywords: Bioenergy crops; Evapotranspiration; Water use efficiency; Water quality; Ecosystem services
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2017 journal article

Differences in biomass and water dynamics between a cotton-peanut rotation and a sweet sorghum bioenergy crop with and without biochar and vinasse as soil amendments

FIELD CROPS RESEARCH, 214, 123–130.

author keywords: Soil moisture; Bioenergy crops; Biochar; Vinasse; Cotton-peanut rotation; Nitrogen leaching
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Differentiation of Life-History Traits among Palmer Amaranth Populations (Amaranthus palmeri) and Its Relation to Cropping Systems and Glyphosate Sensitivity

WEED SCIENCE, 65(3), 339–349.

By: W. Bravo*, R. Leon*, J. Ferrell*, M. Mulvaney* & C. Wood*

author keywords: Crop rotation; evolution; integrated weed management; resistance; variability
TL;DR: It is suggested that Palmer amaranth can evolve life-history traits increasing its growth and reproduction potential in cropping systems, which explains its rapid spread throughout the United States. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Effect of sequential applications of protoporphyrinogen oxidase (PPO) inhibiting herbicides on Palmer amaranth (Amaranthus palmeri) in peanut (Arachis hypogaea)

Weed Technology, 31(01), 46–52.

By: B. Sperry*, J. Ferrell*, H. Smith*, V. Fernandez*, R. Leon* & C. Smith*

author keywords: ALS-resistant Palmer amaranth; sequential applications; crop injury
TL;DR: The use of sequential applications of lactofen was the most effective method for control of Palmer amaranth in this study, but did reduce peanut yield. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2017 journal article

Efficacy of aquatic herbicides on rotala (Rotala rotundifolia)

Journal of Aquatic Plant Management, 55, 13–18.

By: C. Della Torre, L. Gettys, W. Haller, J. Ferrell & R. Leon

Source: NC State University Libraries
Added: February 14, 2019

2017 journal article

Evolutionary Adaptations of Palmer Amaranth (Amaranthus palmeri) to Nitrogen Fertilization and Crop Rotation History Affect Morphology and Nutrient-Use Efficiency

WEED SCIENCE, 66(2), 180–189.

By: W. Bravo*, R. Leon n, J. Ferrell*, M. Mulvaney* & C. Wood*

author keywords: Crop rotation; evolution; fitness; integrated weed management; nutrient content; resistance
TL;DR: The results of the present study highlight the importance of paying more attention to adaptations to cultural practices that might increase weediness and how genetic changes in traits involved in morphology and metabolism might favor compensatory mechanisms increasing the fitness of the population carrying herbicide-resistant traits. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 journal article

Impact of potassium and nitrogen fertilization on bahiagrass herbage accumulation and nutrient concentration

Agronomy Journal, 109(3), 1099–1105.

Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2017 journal article

Potassium and Nitrogen Fertilization Effects on Jiggs Bermudagrass Herbage Accumulation, Root–Rhizome Mass, and Tissue Nutrient Concentration

Crop, Forage and Turfgrass Management, 3(1), 0.

By: J. Yarborough*, J. Vendramini*, M. Silveira*, L. Sollenberger*, R. Leon n, B. Sellers, J. Sanchez*, F. Leite de Oliveira* ...

UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2017 journal article

Sesame tolerance to preplant applications of 2,4-D and dicamba

Weed Technology, 31(04), 590–598.

author keywords: Crop injury; burndown; preplant
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2016 journal article

Bahiagrass tolerance to aminocyclopyrachlor in Florida

Weed Technology, 30(04), 943–948.

author keywords: 'Argentine' bahiagrass; 'Pensacola' bahiagrass; pasture; warm-season forage
TL;DR: Herbicide applications using ACP, when labeled, will likely provide good to excellent control of several weed species, with little long-term impact on bahiagrass forage production when the cultivar is known. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2016 journal article

Biochar changes root growth and root distribution of soybean during early vegetative stages

Crop Science, 57(1), 454–461.

Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2016 journal article

Diversity and spatial heterogeneity of weed communities in a sugarcane cropping system in the dry tropics of Costa Rica

Weed Science, 65(01), 128–140.

By: R. Leon*, R. Agüero* & D. Calderón*

author keywords: control; disturbance; diversity; habitat; soil; texture; tropicsweed
TL;DR: Differences in weed communities between management areas within fields indicated the existence of conditions that favor key weed species, and this information can be used to anticipate their population growth and help determine when and where more intensive control should be implemented. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 14, 2019

2016 journal article

Influence of planting depth and application timing on S-metolachlor injury in sesame (Sesamum indicum L.)

Weed Technology, 30(04), 958–964.

author keywords: Application timing; crop injury; planting depth
TL;DR: Delaying applications of S-metolachlor by 3 to 6 days will likely result in improved sesame seedling establishment and total seed yield and no reduction in yield was observed by the delayed application timings. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2016 journal article

Peanut cultivars differing in growth habit and canopy architecture respond similarly to weed interference

Peanut Science, 43(2), 133–140.

TL;DR: Results showed that, despite differences in growth habit, morphological response to weed interference was similar among peanut cultivars, and crops can be improved to be more competitive with weeds by increasing their ability to suppress weed growth and reproduction. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: February 14, 2019

2016 journal article

Technology for automation weed control in specialty crops

Weed Technology, 30(04), 823–837.

By: S. Fennimore*, D. Slaughter*, M. Siemens*, R. Leon* & M. Saber*

TL;DR: There is a need to develop labor-saving technologies for weed control in specialty crops if production costs are to be contained and automated weed removal equipment continues to improve and become more effective. (via Semantic Scholar)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Biochar decreases atrazine and pendimethalin preemergence herbicidal activity

Weed Technology, 29(03), 359–366.

author keywords: Charcoal; injury; soil amendments; stillage; weed control
TL;DR: It is suggested that the use of biochar as a soil amendment in cropping system could decrease PRE herbicide efficacy, and mitigating practices such as theUse of higher rates or reliance on POST herbicides and cultivation might be necessary to ensure proper weed control. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Characterization and modelling of itchgrass (Rottboellia cochinchinensis) biphasic seedling emergence patterns in the tropics

Weed Science, 63(03), 623–630.

author keywords: Control; dormancy; germination; growing degree days; integrated management; seed bank; thermal-time; tillage
TL;DR: Itchgrass consistently showed a biphasic emergence pattern, with a first emergence phase that was faster and more consistent across site-years than the second one, which can be used to properly time itchgrass POST control. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Post-dispersal weed seed predation and invertebrate activity-density in three tillage regimes

Weed Science, 63(04), 828–838.

author keywords: Biological control; field crickets; ground beetles; integrated weed management; seedbank
TL;DR: It is demonstrated that weed seed predation is an important component affecting weed seedbanks and that crop management practices that favor the activity of predators such as field crickets or ground beetles could influence weed populations. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Postemergence herbicide tolerance variation in peanut germplasm

Weed Science, 63(02), 546–554.

author keywords: Breeding; crop improvement; genetic diversity; selection; selectivity
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Relative lateral movement in surface soil of amicarbazone and indaziflam compared to other preemergence herbicide for turfgrass

Weed Technology, 30(01), 229–237.

By: R. Leon*, J. Unruh* & B. Brecke*

author keywords: Integrated weed management; environmental impact; safety; water quality; herbicide movement; landscape
TL;DR: The results of the present study provide guidance for golf course superintendents and turfgrass managers to determine buffer zones in sensitive areas by comparing lateral movement in surface soil of amicarbazone and indaziflam to other commonly used PRE herbicides in turfgrass. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Seed production and control of sicklepod (Senna obtusifolia) and pitted morningglory (Ipomoea lacunosa) with 2,4-D, dicamba, and glyphosate combinations

Weed Technology, 30(01), 76–84.

By: R. Leon*, J. Ferrell* & B. Sellers

author keywords: Integrated weed management; seed bank; tank mixtures
TL;DR: The results of the present study indicated that the use of 2,4-D and dicamba alone will not provide adequate extended control of sicklepod, and theUse of tank mixtures that combine auxinic herbicides with glyphosate or other POST herbicides will be necessary to manage Sicklepod adequately in 2, 4-D- or dICamba-resistant soybean and cotton. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Survey of Glyphosate- and Imazapic-Resistant Palmer Amaranth (Amaranthus palmeri) in Florida

Crop, Forage & Turfgrass Management, 1(1), 0.

Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Tolerance of bermudagrass and stargrass toaminocyclopyrachlor

Weed Technology, 30(02), 499–505.

author keywords: Forages; hayfields; pastures
TL;DR: The data suggest that long-term effects of ACP on bermudagrass and stargrass are negligible, and this herbicide could be an important component of weed management programs in these forage systems. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Weed control in Florida pastures using aminocyclopyrachlor

Weed Technology, 30(01), 271–278.

author keywords: Pasture; postemergence; premix; weed control
TL;DR: Studies under Florida conditions for susceptibility of pasture weed species to the new herbicide, aminocyclopyrachlor (ACP), are essential and likely provide good to excellent control of several weed species. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2015 journal article

Weed seed banks are more dynamic in a sod-based than a conventional peanut-cotton rotation

Weed Science, 63(04), 877–887.

By: R. Leon*, D. Wright* & J. Marois*

author keywords: Community; dormancy; germination; integrated weed management; long-term research; populations
TL;DR: It is demonstrated that including bahiagrass as a third crop in a peanut–cotton rotation could increase weed community diversity, mainly by favoring increases in richness and diversity, but the structure and characteristics of the rotation would prevent continuous increases in the weed seed bank that could affect the peanut and cotton phases. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2014 journal article

Amicarbazone Application Timing Influences Overseeded Perennial Ryegrass (Lolium perenne) Safety and Annual Bluegrass (Poa annua) Control

Applied Turfgrass Science, 11(1), 0.

By: R. Leon*, L. McCarty* & A. Estes*

Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: February 14, 2019

2014 journal article

Characterization of fluazifop-P-butyl tolerance in zoysiagrass cultivars

Weed Technology, 28(02), 385–394.

author keywords: Chemical control; genetic resources; integrated weed management; turfgrass
TL;DR: Results from a greenhouse experiment demonstrated that differences observed in the field were cultivar related, especially for the lower tolerance level observed in Zeon and PristineFlora, and there is potential to increase fluazifop-P-butyl tolerance in zoysiagrass because of the observed variation among 80 zoysia breeding lines. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2014 journal article

Energycane (Saccharum spp. × S. spontaneum) biomass production, reproduction and weed risk assessment scoring in the humid tropics and subtropics

Agronomy Journal, 107(1), 323–329.

By: R. Leon*, R. Gilbert* & J. Comstock*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2014 journal article

Impact of exposure to 2,4-D and dicamba on peanut injury and yield

Weed Technology, 28(03), 465–470.

By: R. Leon*, J. Ferrell* & B. Brecke*

author keywords: Chemical control; dose-response; drift; herbicide injury; synthetic auxin
TL;DR: The potential widespread adoption of cotton and soybean varieties with 2,4-D and dicamba resistance traits in the southeastern US will increase the risk of accidental exposure of peanut to these herbicides because of drift or application errors, and growers must decide between continuing the crop and terminating it. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2014 journal article

Management of spreading pricklypear (Opuntia humifusa) with fluroxypyr and aminopyralid

Weed Technology, 28(04), 734–738.

author keywords: Cactus; pasture; perennial weed
TL;DR: The addition of aminopyralid + 2,4-D to fluroxypyr at 0.32 kg ha−1 improved pricklypear control to 92%, regardless of application timing, and reduced control to 40 and 71% for spring versus fall applications, respectively. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2014 journal article

Structuring international development decisions: Confronting tradeoffs between land-use and community development in Costa Rica

Environmental Systems and Decisions, 34(2), 224–236.

Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: February 14, 2019

2014 journal article

Vinasse and biochar effects on germination and growth of Palmer amaranth (Amaranthus palmeri), sicklepod (Senna obtusifolia) and southern crabgrass (Digitaria ciliaris)

Weed Technology, 28(04), 694–702.

author keywords: Charcoal; plant growth; seed viability; soil amendments; stillage
TL;DR: Vinasse used as a soil amendment could affect weed community structure by decreasing germination of susceptible species, but plants and weed species that can get established in vinasse amended soils might show higher growth rates. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2013 journal article

Absorcion de nutrientes a traves de la hoja

Uniciencia, 27, 232–244.

By: R. Murillo Castillo, G. Piedra Marin & R. Leon

Source: NC State University Libraries
Added: February 14, 2019

2013 journal article

Glufosinate application timing and rate affect peanut yield response

Peanut Science, 40(2), 115–119.

By: E. Prostko*, T. Webster, M. Marshall*, R. Leon*, T. Grey*, J. Ferrell*, P. Dotray*, D. Jordan n ...

TL;DR: Field studies were conducted at 13 locations across the US peanut belt during 2010–2012 to evaluate peanut response to postemergence applications of glufosinate. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: February 14, 2019

2013 journal article

Influence of lactofen and 2,4-DB combinations on peanut injury and yield

Peanut Science, 40(1), 62–65.

By: J. Ferrell*, R. Leon*, B. Sellers, D. Rowland* & B. Brecke*

TL;DR: Lactofen plus crop oil adjuvants are increasingly being used to combat acetolactate synthase-resistant weeds in peanut production and it is desirable to control a broader spectrum of weeds. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: February 14, 2019

2013 journal article

Using choice experiments to understand household tradeoffs regarding pineapple production and environmental management in Costa Rica

Journal of Environmental Management, 127, 308–316.

author keywords: Choice experiments; Tradeoffs; Pineapple production; Environmental management; Costa Rica
MeSH headings : Agriculture / methods; Ananas; Attitude; Choice Behavior; Conservation of Natural Resources; Costa Rica; Environmental Policy
TL;DR: The results show that respondents are willing to make tradeoffs with respect to the management attributes in order to see an overall improvement in environmental quality, and highlights the effectiveness of the choice experiment approach in examining household preferences about environmental management in a rural development context. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2012 journal article

Characterization of ‘MD-2' pineapple planting density and fertilization using a grower survey

HortTechnology, 22, 644–650.

By: R. Leon* & D. Kellon*

author keywords: Ananas comosus; fruit size; farm size; collaboration; cultural practices
TL;DR: Results indicated that management practices must be modified for the ratoon crop to avoid yield reductions, and illustrated how a collaborative effort in which growers share information about their production practices can generate valuable data needed to identify adequate practices when funding and technical support are not available to experimentally generate these type of data. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2012 journal article

Evaluacion fisiologica de las propiedades nutritivas del fungicida propineb en banano (Musa spp.)

Tierra Tropical, 8, 229–235.

By: V. Mauaie & R. Leon

Source: NC State University Libraries
Added: February 14, 2019

2012 journal article

Evaluación de cultivares de caña energética para producción de biomasa en primera soca

Tierra Tropical, 8, 179–188.

By: P. Tuñón, J. Espinoza & R. Leon

Source: NC State University Libraries
Added: February 14, 2019

2012 journal article

Selection criteria and performance of energycane clones (Saccharum spp. × S. spontaneum) for biomass production under tropical and sub-tropical conditions

CEIBA, 51(1), 11–16.

By: R. Leon*, R. Gilbert, P. Korndorfer* & J. Comstock*

TL;DR: Preliminary results indicated that the energycane clones had faster and more vigorous growth than the commercial sugarcane varieties, only exceeded by P. purpureum in Costa Rica, which suggests that these clones have a higher invasive potential in the tropics. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: February 14, 2019

2011 journal article

Efecto de tres especies de cobertura viva en el control de malezas en una plantacion de banano organico (Musa AAA cv Williams)

Tierra Tropical, 7, 1–10.

By: O. Ramos, R. Vaquero, R. Leon & F. Ayuso

Source: NC State University Libraries
Added: February 14, 2019

2011 journal article

Weed management practices determine plant and arthropod diversity and seed predation in vineyards

Weed Research, 51(4), 404–412.

By: P. Sanguankeo* & R. Leon*

author keywords: herbicides; cover crop; cultivation; Vitis vinifera; grapevines; biodiversity; weed control
TL;DR: The results indicate that weed management practices that promote higher plant diversity and density have the potential to yield ecological benefits within vineyards, for example, enhancing the activity of beneficial organisms. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2010 journal article

Efecto de la intensidad de la labranza sobre las caracteristicas del suelo y la produccion de maiz

Tierra Tropical, 6, 79–86.

By: G. Zafra, G. Condori, R. Leon & O. Ulloa

Source: NC State University Libraries
Added: February 14, 2019

2010 journal article

White paper report from working groups attending the international conference on research and educational opportunities in bio-fuel crop production

Biomass and Bioenergy, 34(12), 1968–1972.

By: K. Morgan*, R. Gilbert*, Z. Helsel*, L. Baucum, R. Leon* & J. Perret*

author keywords: Saccharum officinarum L.; Jatropha curcas L.; Elaeis guineensis Jacq.; Environmental impact; Economics; Education
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2009 journal article

Alternativas de control para el manejo de malezas en banano organico en establecimiento

Tierra Tropical, 5, 225–235.

By: S. Laforest, M. Vedia & R. Leon

Source: NC State University Libraries
Added: February 14, 2019

2009 journal article

Impact of weed management practices on grapevine growth and yield components

Weed Science, 57(01), 103–107.

By: P. Sanguankeo*, R. Leon* & J. Malone

author keywords: Weed suppression; cover crop; competition; cultivation; weed community; diversity
TL;DR: It was concluded that vines can tolerate a certain amount of weed competition, and that properly timed postemergence control actions (e.g., cultivation or POST herbicides) could provide the necessary level of control to obtain the desired yields. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2008 journal article

Interspecific differences in weed susceptibility to steam injury

Weed Technology, 22(04), 719–723.

By: R. Leon* & D. Ferreira*

author keywords: Alternative weed management; steaming; heat; flaming; organic; physical; thermal; weed control
TL;DR: The results indicated that considering both visual estimates of injury and morphological characteristics is important to properly assess thermal weed control effectiveness, and leaf thickness was the best morphological characteristic to predict injury. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2007 journal article

Thermal and hormonal regulation of the dormancy-germination transition in Amaranthus tuberculatus seeds

Weed Research, 47(4), 335–344.

author keywords: ABA; abscisic acid; alternation; chilling; dormancy; GA; germination; gibberellin; gibberellic acid; hormone; seed; stratification; temperature
TL;DR: A seed dormancy–germination transition model is proposed in which the dormancy of A. tuberculatus seeds is progressively reduced from a high to a low level; but environmental conditions (i.e. stratification) can accelerate the dormancies alleviation process. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2006 journal article

Efecto de distintos tipos de labranza sobre la población de malezas en el Agroecosistema de la caña de azúcar (Saccharum officinarum L.)

Agronomía Mesoamericana, 12(1), 71–77.

By: R. Leon* & R. Aguero*

TL;DR: Purple nutsedge and itchgrass had the greatest percentage surface coverage, especially in QCL, and weeds were larger in rows than between rows, apparently in rows, weeds found better conditions for germination and nutrient uptake. (via Semantic Scholar)
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: February 14, 2019

2006 journal article

Efecto de la profundidad del suelo sobre el establecimiento de plantas de Rottboellia cochinchinensis (Lour.) Clayton en el Agroecosistema de la caña de azúcar (Saccharum officinarum L.)

Agronomía Mesoamericana, 12(1), 65–69.

By: R. Leon* & R. Aguero*

TL;DR: Four sugarcane fields with different soil textures and soil textures showed R. cochinchinensis populations with at least 75-150 plants/m2, it could be possible to significantly reduce the seed bank, therefore, it would be easier to control the population of this weed. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: February 14, 2019

2006 journal article

Germination and proteome analyses reveal intra-specific genetic variation in seed dormancy regulation of common waterhemp (Amaranthus tuberculatus)

Weed Science, 54(02), 305–315.

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: February 14, 2019

2006 journal article

Inheritance of deep seed dormancy and stratification-mediated dormancy alleviation in Amaranthus tuberculatus

Seed Science Research, 16(03), 193–202.

author keywords: Amaranthus tuberculatus; dormancy; heritability; seed bank; stratification; temperature
TL;DR: It is proposed that delayed weed emergence can be generated by selecting genes that control stratification response, and not necessarily only the genes that are directly responsible for deep dormancy. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2006 journal article

Tillage systems and seed dormancy effects on common waterhemp (Amaranthus tuberculatus) seedling emergence

Weed Science, 54(6), 1037–1044.

author keywords: conventional tillage; chisel plow; germination; moldboard plow; notillage; seed bank
TL;DR: Overall, no consistent differences were observed in seedling emergence patterns among biotypes, which suggested that under field conditions, other factors can compensate for differences in seed dormancy levels. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2005 journal article

Absence of interactive responses of early soybean (Glycine max) growth to soybean cyst nematode (Heterodera glycines), post-emergence herbicides and soil pH and texture

Weed Technology, 19(4), 847–854.

By: R. Leon, M. Owen, D. Soh & G. Tylka

author keywords: herbicide injury; nematode infection
TL;DR: The results indicated that the effect of SCN on soybean growth was not directly affected by the other evaluated main effects, and trends observed in the field that suggested interactions between those factors are likely the result of other factors not considered in the present study. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2004 journal article

Artificial and natural seed banks differ in seedling emergence patterns

Weed Science, 52(04), 531–537.

TL;DR: There was no consistent relationship between growing degree days and emergence timing in the three treatments for any of the species studied, and Artificial seed banks showed lower soil bulk density and greater temperature fluctuation than the natural seed bank. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: February 14, 2019

2004 journal article

Effect of temperature on the germination of common waterhemp (Amaranthus tuberculatus), giant foxtail (Setaria faberi), and velvetleaf (Abutilon theophrasti)

Weed Science, 52(01), 67–73.

By: R. Leon, A. Knapp* & M. Owen*

author keywords: germination; dormancy; seed; weed; temperature alternation; temperature fluctuation
TL;DR: In the case of common waterhemp, the temperature required to reach specific germination percentages was reduced by increasing the amplitude of the temperature alternation, and this was more evident at lower temperatures. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

2003 journal article

Regulation of weed seed dormancy through light and temperature interactions

Weed Science, 51(5), 752–758.

By: R. Leon & M. Owen*

author keywords: germination; dormancy; phytochrome; chilling; red light; far-red light
TL;DR: The effects of temperature and light on the dormancy of velvetleaf, common waterhemp, and giant foxtail seeds were studied under controlled growth chamber conditions and dormancy regulation was partially phytochrome regulated. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: February 14, 2019

Employment

Updated: February 4th, 2019 15:06

North Carolina State University Raleigh, NC, US
Weed Biology and Ecology Crop and Soil Sciences

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