James P Kerns
Is this your profile?
Claim your Citation Index profile in order to display more information about you and gain access to Libraries services. Just create or connect your ORCID iD.
Create or connect your ORCID iD
Works (37)
Updated: April 5th, 2024 05:03
2024 article
Environmental and Edaphic Factors that Influence Spring Dead Spot Epidemics
Hutchens, W. J., Henderson, C. A., Straw, C. M., Goatley, J. M., Kerns, J. P., Nita, M., … Mccall, D. S. (2024, February 1). PHYTOPATHOLOGY.
author keywords: bermudagrass; disease; epidemiology; spring dead spot; turfgrass
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Source: Web Of Science
Added: February 19, 2024
2023 journal article
In Vitro Fungicide Sensitivity and Effect of Organic Matter Concentration on Fungicide Bioavailability in Take-All Root Rot Pathogens Isolated from North Carolina
PLANT HEALTH PROGRESS, 24(2), 162–170.
author keywords: chemical control; fungicides; soilborne disease management; take-all root rot; turfgrass science; turfgrass pathology
TL;DR:
Understanding how TARR pathogens respond to fungicide in vitro and how organic matter concentration affects in vitro sensitivity will improve fungicide selection for management of TARR.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
14. Life Below Water
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 14, 2023
2022 journal article
Characterization and Aggressiveness of Take-All Root Rot Pathogens Isolated from Symptomatic Bermudagrass Putting Greens
PHYTOPATHOLOGY, 112(4), 811–819.
author keywords: disease control and pest management; epidemiology; etiology; fungal pathogens; pathogen detection; techniques
MeSH headings : Ascomycota; Cynodon / microbiology; Plant Diseases / microbiology
TL;DR:
Information is provided on this disease and its causal agents that may improve take-all root rot management and improving pathogen identification and understanding of the aggressiveness of these pathogens along with growth at different temperatures will advance the knowledge of disease development to optimize management strategies.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: May 2, 2022
2022 journal article
Geographic Distribution of Ophiosphaerella Species in the Mid-Atlantic United States
PLANT HEALTH PROGRESS, 23(1), 93–100.
author keywords: bermudagrass; Cynodon dactylon; spring dead spot; Ophiosphaerella herpotricha; Ophiosphaerella korrae
TL;DR:
These survey results elucidate the geographic distribution of O. herpotricha and O. korrae throughout the Mid-Atlantic United States and allow turfgrass managers to tailor their management practices toward the predominant species present.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Source: Web Of Science
Added: April 4, 2022
2022 journal article
Morphological and Molecular Characterization of Prevalent Plant-Parasitic Nematodes from Turfgrasses in Guangdong, China
HORTICULTURAE, 8(7).
author keywords: taxonomy; morphology; morphometrics; plant-parasitic nematode; turfgrass; taxonomy; 18S rRNA; 28S rRNA D2-D3; phylogeny
TL;DR:
This work was a first step for future study including pathogenicity assay, relationship examination with other pathogens and development of control measures of these turf nematodes to provide more precise and effective management options to turf superintendents.
(via Semantic Scholar)
www.mdpi.com (publisher PDF)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 15, 2022
2021 journal article
Assessment of fungicide product applications and program approaches for control of downy mildew on pickling cucumber in North Carolina
CROP PROTECTION, 140.
author keywords: Pseudoperonospora; Oomycete; Fungicide resistance; IPM; Management; Downy mildew
TL;DR:
Analysis revealed that several single-site treatments were effective in the suppression of disease, including treatments that included oxathiapiprolin, cyazofamid, propamocarb, ethaboxam, fluazinam, and a mixture of mancozeb/zoxamide, when compared to the non-treated controls.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 5, 2020
2021 journal article
Evaluating Fungicide Selections to Manage Pythium Root Rot on Poinsettia Cultivars with Varying Levels of Partial Resistance
PLANT DISEASE, 105(6), 1640–1647.
author keywords: chemical; cultivar/resistance; disease management; fungicide; herbaceous/flowering plants; ornamentals; poinsettia; Pythium
MeSH headings : Euphorbia; Fungicides, Industrial / pharmacology; North Carolina; Plant Diseases; Pythium
TL;DR:
Evaluated fungicide treatments in seven poinsettia cultivars inoculated with a mefenoxam-sensitive isolate provided control of Pythium root rot across all cultivars in both experiments whereas Fosetyl-al, potassium phosphite, and Trichoderma spp.
(via Semantic Scholar)
Source: Web Of Science
Added: November 15, 2021
2021 journal article
Genome Resources for Seven Fungal Isolates That Cause Dollar Spot Disease in Turfgrass, Including Clarireedia jacksonii and C. monteithiana
PLANT DISEASE, 105(3), 691–694.
author keywords: Agrostis stolonifera; Cynodon dactylon; dollar spot; Festuca rubra; fungi; Paspalum vaginatum; pathogen diversity; Rutstroemiaceae; Sclerotinia homoeocarpa; turf; turfgrass
MeSH headings : Agrostis; Ascomycota / genetics; Host-Pathogen Interactions; Poaceae
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 6, 2021
2021 journal article
Identification of a tractable model system and oxalic acid-dependent symptom development of the dollar spot pathogen Clarireedia jacksonii
PLANT PATHOLOGY, 70(3), 722–734.
author keywords: Clarireedia jacksonii; creeping bentgrass; dollar spot; monocot; oxalic acid; Sclerotinia homoeocarpa
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: January 4, 2021
2021 journal article
Impact of nitrogen source, fall fertilizers, and preventive fungicides on spring dead spot caused by Ophiosphaerella korrae and O. herpotricha
CROP SCIENCE, 61(5), 3187–3196.
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science; OpenAlex)
Source: Web Of Science
Added: March 15, 2021
2021 article
Influence of post-application irrigation and mowing timing on fungicide fate on a United States Golf Association golf course putting green
Stephens, C. M., Kerns, J. P., Ahmed, K. A., & Gannon, T. W. (2021, June 16). JOURNAL OF ENVIRONMENTAL QUALITY, Vol. 6.
MeSH headings : Fungicides, Industrial; Golf; Soil; United States
TL;DR:
Optimizing fungicide applications with post-application management practices may enhance fungicide movement and limit potential off-target effects, as well as improve fungicide use and stewardship.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: June 21, 2021
2021 journal article
Pythium spp. Associated with Root Rot and Stunting of Winter Crops in North Carolina
PLANT DISEASE, 105(11), 3433–3442.
author keywords: cultural and biological practices; disease management; field crops; oomycetes
MeSH headings : Growth Disorders; North Carolina; Plant Diseases; Pythium; Seasons
TL;DR:
During the growing seasons of 2018-2019 and 2019-2020 samples of clary sage, rye, rapeseed, and winter pea displaying symptoms of stunting were collected across eastern NC, resulting in the recovery of 420 isolates of Pythium from the roots of all hosts.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: February 28, 2022
2021 journal article
Pythium spp. Associated with Root Rot and Stunting of Winter Wheat in North Carolina
PLANT DISEASE, 105(4), 986–996.
author keywords: cereals and grains; etiology; field crops; oomycetes
MeSH headings : Growth Disorders; Humans; North Carolina; Plant Diseases; Pythium; Triticum
TL;DR:
All inoculation treatments caused severe root rot under all conditions tested, and disease was more severe at 12/14°C compared to 18/20°C, but there was no effect of nitrogen application.
(via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 6, 2021
2020 journal article
Oxalic Acid Production inClarireedia jacksoniiIs Dictated by pH, Host Tissue, and Xylan
FRONTIERS IN MICROBIOLOGY, 11.
author keywords: Clarireedia jacksonii; Sclerotinia homoeocarpa; oxalic acid; creeping bentgrass; xylan
TL;DR:
The results suggest that C. jacksonii is reliant on host specific components within the infection court, as well as the ambient pH of the foliar environment during its pathogenic development.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: September 14, 2020
2019 journal article
Effect of post-application irrigation on fungicide movement and efficacy against Magnaporthiopsis poae
CROP PROTECTION, 122, 106–111.
author keywords: Fungicide; Post-application; Irrigation; Lysirneter; Summer patch; Magnaporthiopsis pone
TL;DR:
Isolates of M. poae are sensitive to commonly used fungicides and efficacy is enhanced by post-application irrigation due to improved fungicide distribution into the soil profile.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: July 15, 2019
2019 journal article
Influence of Nitrogen Rate and Timing, Fungicide Application Method, and Simulated Rainfall after Fungicide Application on Brown Patch Severity in Tall Fescue
CROP FORAGE & TURFGRASS MANAGEMENT, 5(1).
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: September 23, 2019
2019 journal article
Ralstonia solanacearum Species Complex: A Quick Diagnostic Guide
PLANT HEALTH PROGRESS, 20(1), 7–13.
TL;DR:
A diagnostic guide to provide adequate methods for isolation, storage, and identification of R. solanacearum and to discuss other relevant aspects related to this important plant pathogenic bacterium.
(via Semantic Scholar)
Source: Web Of Science
Added: March 30, 2020
2018 journal article
Development and validation of a weather-based warning system to advise fungicide applications to control dollar spot on turfgrass
PLOS ONE, 13(3).
MeSH headings : Fungicides, Industrial / pharmacology; Models, Statistical; Plant Diseases / microbiology; Plant Diseases / prevention & control; Poaceae / drug effects; Poaceae / microbiology; ROC Curve; Reproducibility of Results; Weather
TL;DR:
The weather-based dollar spot warning system presented here will likely become an important tool for implementing precision disease management strategies for future turfgrass managers, especially as financial and regulatory pressures increase the need to reduce pesticide usage on golf course turfgrass.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2018 journal article
Fitness Attributes of Pythium aphanidermatum with Dual Resistance to Mefenoxam and Fenamidone
Plant Disease, 102(10), 1938–1943.
MeSH headings : Alanine / analogs & derivatives; Alanine / pharmacology; Euphorbia / microbiology; Fungicides, Industrial / pharmacology; Genetic Fitness; Plant Diseases / microbiology; Pythium / drug effects; Pythium / genetics; Pythium / pathogenicity; Strobilurins / pharmacology; Temperature
TL;DR:
It is suggested that populations of P. aphanidermatum with dual resistance to mefenoxam and fenamidone may be less fit than sensitive populations under imposed experimental conditions and should continue to be monitored in poinsettia production systems.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: October 16, 2018
2017 journal article
Brachypodium: A Potential Model Host for Fungal Pathogens of Turfgrasses
PHYTOPATHOLOGY, 107(6), 749–757.
author keywords: host-pathogen interactions; snow mold
MeSH headings : Agrostis / microbiology; Ascomycota / pathogenicity; Ascomycota / physiology; Brachypodium / microbiology; Ecotype; Host-Pathogen Interactions; Models, Biological; Plant Diseases / microbiology; Rhizoctonia / pathogenicity; Rhizoctonia / physiology
TL;DR:
Findings demonstrate that B. distachyon can be used as a model host system for these turfgrass diseases and leveraged for studies of molecular mechanisms contributing to host resistance.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018
2016 journal article
Morphological and molecular characterization of Xiphinema species from Shenzhen, China
HELMINTHOLOGIA, 53(1), 62–75.
author keywords: Xiphinema spp.; Acacia mangium; Acacia confuse; Blechnum orientale; Gleichenia linearis; Litchi chinensis; 28S rDNA; dagger nematode
TL;DR:
Phylogenetic analysis based on sequences of the 28S rDNA D2–D3 expansion segment revealed these three species of Xiphinema are all distinct species and supported a close relationship with their corresponding species.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018
2016 journal article
Plant Growth Regulator Effects on Bacterial Etiolation of Creeping Bentgrass Putting Green Turf Caused by Acidovorax avenae
PLANT DISEASE, 100(3), 577–582.
TL;DR:
Results from this work illustrate that using plant growth regulator materials with different modes of action is a solution to managing creeping bentgrass growth while limiting the potential for bacterial etiolation outbreaks.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2016 journal article
Population dynamics of Belonolaimus longicaudatus in Central North Carolina
Journal of Nematology, 48(4), 322–323.
Source: NC State University Libraries
Added: August 6, 2018
2015 journal article
Bacterial etiolation of creeping bentgrass as influenced by biostimulants and trinexapac-ethyl
CROP PROTECTION, 72, 119–126.
author keywords: Turfgrass; Disease; Bacteria; Etiolation; Biostimulant; Trinexapac-ethyl
TL;DR:
The results support the necessity of identifying bacteria associated with etiolation as variable effects were observed with TE treatments and should be considered when developing plant growth regulator programs if etiolated turfgrass plants are problematic.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2015 article
First Report of Trichodorus obtusus on Turfgrass in North Carolina, USA
Ye, W., Zeng, Y., & Kerns, J. (2015, February). PLANT DISEASE, Vol. 99, pp. 291–291.
TL;DR:
In May 2014, sandy soil samples from a golf course community in Wilmington, NC, revealed the presence of several plant-parasitic nematodes, with a stubby-root nematode (Trichodoridae) present, which was identified as Trichodorus obtusus Cobb, 1913.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2015 journal article
Molecular Characterisation and Diagnosis of Root-Knot Nematodes (Meloidogyne spp.) from Turfgrasses in North Carolina, USA
PLOS ONE, 10(11).
MeSH headings : Animals; Genes, Protozoan; Multilocus Sequence Typing; Multiplex Polymerase Chain Reaction; North Carolina; Phylogeny; Plant Diseases / parasitology; Plant Roots / parasitology; Poaceae / parasitology; Tylenchoidea / classification; Tylenchoidea / genetics
TL;DR:
Molecular diagnosis using PCR by species-specific primers provides a rapid and cheap species identification approach for turfgrass root-knot nematodes.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018
2015 journal article
Molecular Characterization and Phylogenetic Relationships of Plant-Parasitic Nematodes Associated with Turfgrasses in North Carolina and South Carolina, United States
PLANT DISEASE, 99(7), 982–993.
TL;DR:
This study confirms previous morphological-based identification of the plant-parasitic nematode species found in turfgrasses and provides a framework for future studies of plant- Paratylenchidae associated with turfgrass based upon DNA sequences and phylogenetic relationships.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018
2015 journal article
Snow cover has variable effects on persistence of fungicides and their suppression of microdochium patch on amenity turfgrass
PLANT PATHOLOGY, 64(6), 1417–1428.
author keywords: fungicide persistence; microdochium patch; turfgrass; winter
TL;DR:
Fungicides applied to turfgrass in temperate climates prior to snowfall are expected to suppress fungal diseases until infection conditions become unfavourable the following spring, but mild winters with inconsistent snow cover may alter fungicide persistence and render the turf more susceptible to fungal infection.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Development of a semi-selective medium for improved isolation of the turfgrass dollar spot pathogen Sclerotinia homoeocarpa from host tissues
CANADIAN JOURNAL OF PLANT PATHOLOGY, 36(2), 235–245.
author keywords: dollar spot; semi-selective medium; pathogen detection; turfgrass pathology
TL;DR:
The enhanced specificity of this medium will be a useful tool for selective detection of S. homoeocarpa and identification of sources of initial inoculum for dollar spot development.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
First report and morphological and molecular characterization of Meloidogyne incognita from Radermachera sinica in China
Nematropica, 44(2), 118–129.
Source: NC State University Libraries
Added: August 6, 2018
2014 journal article
Morphological and molecular characterization of two isolates of Paratrichodorus porosus from Shenzhen, China
HELMINTHOLOGIA, 51(4), 323–330.
author keywords: Paratrichodorus porosus; Acacia mangium; Gleichenia linearis; 18S small subunit rDNA; 28S large subunit rDNA; PCR; stubby-root nematode; taxonomy
TL;DR:
Analysis of morphometric, morphological and molecular characters revealed these two Shenzhen isolates are identical to Paratrichodorus porosus, and the sequence analysis based on partial rDNA 18S gene and 28S D2/D3 expansion segment confirm its identity as P. porosu.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Sclerotinia homoeocarpa Overwinters in Turfgrass and Is Present in Commercial Seed
PLOS ONE, 9(10).
MeSH headings : Agrostis / growth & development; Agrostis / microbiology; Ascomycota / isolation & purification; Ascomycota / pathogenicity; Plant Diseases / microbiology; Plant Leaves / microbiology; Seeds / growth & development; Seeds / microbiology; United States
TL;DR:
Overall, this research suggests that seeds are a potential source of initial inoculum for dollar spot epidemics and presents the need for further research in this area.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
3. Good Health and Well-being
(OpenAlex)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2013 journal article
Modification of a commercially-available ELISA kit to determine chlorothalonil and iprodione concentration on golf course turfgrass
CROP PROTECTION, 54, 35–42.
author keywords: ELISA; Turfgrass; Chlorothalonil; Iprodione
TL;DR:
The modified ELISA protocol could be used to gain a further understanding of fungicide fate in turfgrass systems under varying environmental conditions, potentially improving the efficiency of future fungicide applications.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2009 journal article
Preventive Control of Pythium Root Dysfunction in Creeping Bentgrass Putting Greens and Sensitivity of Pythium volutum to Fungicides
PLANT DISEASE, 93(12), 1275–1280.
TL;DR:
It is demonstrated that fall and spring applications of pyraclostrobin, azoxystrobin, and cyazofamid suppress the expression of PRD symptoms during summer and that field efficacy is related to the sensitivity of P. volutum to these fungicides.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
13. Climate Action
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2008 journal article
Influence of Temperature on Pathogenicity of Pythium volutum Toward Creeping Bentgrass
PLANT DISEASE, 92(12), 1669–1673.
TL;DR:
P. volutum is most active at temperatures prevalent during the fall and spring in North Carolina, supporting the hypothesis that the majority of root infection occurs during this time and that fungicides should be applied when soil temperatures are between 12 and 24°C to achieve preventative control of PRD symptoms in the summer.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2008 journal article
Pathogenicity of Pythium species associated with Pythium root dysfunction of creeping bentgrass and their impact on root growth and survival
PLANT DISEASE, 92(6), 862–869.
TL;DR:
Results demonstrate that P. volutum is a pathogen of mature creeping bentgrass plants and Infections that occur during cool weather reduce the growth and survival of creeps bentgrass roots during hot weather and give rise to foliar symptoms.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2007 article
First report of pythimn root dysfunction of creeping bentgrass caused by Pythium volutum in North Carolina
Kerns, J. P., & Tredway, L. P. (2007, May). PLANT DISEASE, Vol. 91, pp. 632–632.
TL;DR:
To the knowledge, this is the first reported occurrence of PRD in North Carolina and provides further support for the importance of P. volutum as a pathogen of creeping bentgrass.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
Citation Index includes data from a number of different sources. If you have questions about the sources of data in the Citation Index or need a set of data which is free to re-distribute, please contact us.
Certain data included herein are derived from the Web of Science© and InCites© (2024) of Clarivate Analytics. All rights reserved. You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.
