Frank J Louws

horticulture, plant pathology, integrated pest management, farming systems research, expert witness, extension, strawberry, vegetable, leadership, grantsmanship

Dr. Frank Louws is Department Head of Horticultural Science and Professor at NC State University. He is a Fellow of the American Phytopathology Society (APS) and has been awarded the APS Excellence in Extension and APS Excellence in Regulatory Affairs and Crop Security. He values the linkage between basic science and translative outcomes that help farmers, companies, and citizens in growing horticultural plants. He has secured over $40m in external funds to advance the mission of horticultural crop production systems, in some cases as a the PD on large grants. His research and extension program focuses on strawberry and vegetable production systems, with emphasis on sustainability and disease management. He has published 240 research products including 96 peer reviewed journal publications, 6 peer reviewed non-journal articles, 14 research review or book chapter publication, 64 contributions to published proceedings, 60 applied research publications, plus 171 published abstracts. To translate research-based information, he has published 356 extension publications including 84 extension bulletins (many with annual updates not re-counted), and 229 industry or extension newsletters and extension outcomes were featured in 43 popular press articles. He enjoys presentations to enhance scientific knowledge and has been an invited speaker to 111 National and International meetings to present research outcomes and over 417 in-state and out-of-state research-based or extension talks. He is also an active member of the American Society for Horticultural Science, APS and frequently active on panels and in editorial roles.

Works (132)

Updated: December 12th, 2024 22:30

2024 article

Genotyping-by-Sequencing Reveals Population Differentiation and Linkage Disequilibrium in <i>Alternaria linariae</i> from Tomato

Adhikari, T. B., Olukolu, B. A., Paudel, R., Pandey, A., Halterman, D., & Louws, F. J. (2024, February 22). PHYTOPATHOLOGY, Vol. 2.

By: T. Adhikari n, B. Olukolu*, R. Paudel n, A. Pandey n, D. Halterman* & F. Louws n

author keywords: asexual reproduction; linkage disequilibrium; population biology; population differentiation
TL;DR: Evidence of a high level of population genetic differentiation in A. linariae is provided, which reinforces the importance of developing tomato varieties with broad-spectrum resistance to various isolates of A. Linariae. (via Semantic Scholar)
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 18, 2024

2024 journal article

Quantitative Trait Loci Mapping for Bacterial Wilt Resistance and Plant Height in Tomatoes

PLANTS-BASEL, 13(6).

By: M. Siddique n, E. Silverman n, F. Louws n & D. Panthee n

author keywords: bacterial wilt; quantitative trait loci; Solanum lycopersicum; Ralstonia solanacearum; plant height
Sources: ORCID, Web Of Science, NC State University Libraries
Added: March 21, 2024

2023 journal article

Evaluation of systemic acquired resistance inducers for the management of copper and streptomycin resistant strains of<i> Xanthomonas</i><i> perforans</i> on tomato

CROP PROTECTION, 175.

By: A. Strayer-Scherer n, S. Sharpe n, F. Louws n & I. Meadows n

author keywords: Xanthomonas perforans; Tomato; Disease control; And pest management
Sources: ORCID, Web Of Science, NC State University Libraries
Added: October 3, 2023

2023 journal article

Identification of quantitative trait loci associated with bacterial spot race T4 resistance in intra-specific populations of tomato (Solanum lycopersicum L.)

PLOS ONE, 18(12), e0295551.

By: P. Adhikari n, M. Siddique n, F. Louws n & D. Panthee n

Ed(s): A. Pandey

Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: January 16, 2024

2023 journal article

Molecular mapping of quantitative trait loci for resistance to early blight in tomatoes

Frontiers in Plant Science, 14.

By: T. Adhikari n, M. Siddique n, F. Louws n, S. Sim* & D. Panthee n

author keywords: early blight; heritability estimates; QTL analysis; tomatoes; Solanum lycopersicum (L; )
TL;DR: It is demonstrated that genetic control of EB resistance in NC 1CELBR is polygenic, and this study may facilitate further fine mapping of the EB-resistant QTL and marker-assisted selection to transfer EB resistance genes into elite tomato varieties, including broadening the genetic diversity ofEB resistance in tomatoes. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: July 3, 2023

2023 article

Tissues and mechanisms associated with Verticillium wilt resistance in tomato using bi-grafted near-isogenic lines

Oh, Y., Ingram, T., Shekasteband, R., Adhikari, T., Louws, F. J., & Dean, R. A. (2023, May 15). (M. Höfte, Ed.). JOURNAL OF EXPERIMENTAL BOTANY, Vol. 5.

By: Y. Oh n, T. Ingram n, R. Shekasteband n, T. Adhikari n, F. Louws n & R. Dean n

Contributors: Y. Oh n, T. Ingram n, R. Shekasteband n, T. Adhikari n, F. Louws n & R. Dean n

Ed(s): M. Höfte

author keywords: Defense response; gene expression; grafting; secreted proteins; tomato; Verticillium dahliae
TL;DR: These findings advance knowledge of molecular mechanisms underlying the tomato–V. (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, NC State University Libraries, ORCID
Added: May 16, 2023

2022 journal article

Advancing disease management strategies for root-knot nematodes (Meloidogyne spp.) on tomato

Phytopathology. https://publons.com/wos-op/publon/56007329/

Contributors: A. Philbrick, E. Reeves, A. Gorny, I. Meadows & F. Louws

Source: ORCID
Added: February 1, 2023

2022 journal article

Evaluating diverse tomato genotypes for resistance to root-knot nematode, Meloidogyne enterolobii

Phytopathology. https://publons.com/wos-op/publon/63443543/

Contributors: A. Philbrick, A. Gorny & F. Louws

Source: ORCID
Added: February 2, 2024

2022 article

Four bottlenecks restrict colonization and invasion by the pathogen Ralstonia solanacearum in resistant tomato (vol 71, pg 2157, 2020)

Planas-Marques, M., Kressin, J. P., Kashyap, A., Panthee, D. R., Louws, F. J., Coll, N. S., & Valls, M. (2022, March 29). JOURNAL OF EXPERIMENTAL BOTANY, Vol. 3.

By: M. Planas-Marques*, J. Kressin n, A. Kashyap*, D. Panthee n, F. Louws n, N. Coll*, M. Valls*

Contributors: M. Planas-Marques*, J. Kressin n, A. Kashyap*, D. Panthee n, F. Louws n, N. Coll*, M. Valls*

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: May 10, 2022

2022 journal article

RNA-Seq and Gene Regulatory Network Analyses Uncover Candidate Genes in the Early Defense to Two Hemibiotrophic Colletorichum spp. in Strawberry

FRONTIERS IN GENETICS, 12.

By: T. Adhikari*, R. Aryal*, L. Redpath*, L. Broeck, H. Ashrafi, A. Philbrick*, R. Jacobs, R. Sozzani, F. Louws*

author keywords: Colletotrichum acutatum; Colletotrichum gloeosporioides; Fragaria x ananassa; rate-reducing resistance; gene regulatory network
TL;DR: Comparison transcriptome analyses and Gene regulatory network inference analysis revealed candidate transcription factors (TFs) such as GATA5 and MYB-10, and their downstream targets were upregulated in resistant interactions, which can provide valuable insights into transcriptional changes during resistant and susceptible interactions. (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)
Sources: Web Of Science, NC State University Libraries
Added: April 25, 2022

2022 journal article

Screening of Tomato Lines for Late Blight Resistance

Hortscience. https://publons.com/wos-op/publon/58280896/

Contributors: X. Gong, F. Louws & D. Panthee

Source: ORCID
Added: February 2, 2024

2021 journal article

Genetic and genomic analysis of race determination and resistance to Verticillium dahliae in tomato

Phytopathology. https://publons.com/wos-op/publon/56007335/

Contributors: T. Ingram, Y. Oh, T. Adhikari, F. Louws & R. Dean

Source: ORCID
Added: February 1, 2023

2021 journal article

Genetic diversity and population structure of <i>Alternaria</i> species infecting tomato and potato in North Carolina and Wisconsin

Phytopathology. https://publons.com/wos-op/publon/56007330/

Contributors: T. Adhikari, N. Muzhinji, D. Halterman & F. Louws

Source: ORCID
Added: February 1, 2023

2021 journal article

Genetic diversity and population structure of Alternaria species from tomato and potato in North Carolina and Wisconsin

Scientific Reports, 11(1).

MeSH headings : Alternaria / genetics; Base Sequence; Discriminant Analysis; Genes, Mating Type, Fungal; Genetic Variation; Genotype; Geography; Linkage Disequilibrium / genetics; Solanum lycopersicum / microbiology; Microsatellite Repeats / genetics; North Carolina; Nucleotides / genetics; Polymorphism, Single Nucleotide / genetics; Principal Component Analysis; Probability; Solanum tuberosum / microbiology; Wisconsin
TL;DR: The results provide new insights into the evolution and structure of Alternaria spp. (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: September 19, 2021

2021 journal article

Impact of Different Daily Light Integrals and Carbon Dioxide Concentrations on the Growth, Morphology, and Production Efficiency of Tomato Seedlings

FRONTIERS IN PLANT SCIENCE, 12.

By: B. Huber n, F. Louws n & R. Hernandez n

Contributors: B. Huber n, F. Louws n & R. Hernandez n

author keywords: carbon dioxide; PPFD; controlled environment agriculture; vertical farm; light-emitting diodes; energy consumption; production cost
TL;DR: The results showed increases in growth rate with increases in the DLI and CO2 concentration and the net photosynthetic rate obtained was 31 and 68% higher than those obtained with 1000 and 400 μmol mol–1, respectively. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: April 12, 2021

2021 article

Non-destructive characterization of grafted tomato root systems using the mini-horhizotron

II INTERNATIONAL SYMPOSIUM ON VEGETABLE GRAFTING, Vol. 1302, pp. 209–214.

By: D. Suchoff*, B. Jackson*, C. Gunter*, J. Schultheis* & F. Louws*

Contributors: D. Suchoff*, B. Jackson*, C. Gunter*, J. Schultheis* & F. Louws*

author keywords: roots; rhizotron; herbaceous graft; grafting; Lycopersicum esculentum
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: November 23, 2021

2021 article

Pruning reduces yields in grafted tomatoes planted in the field

II INTERNATIONAL SYMPOSIUM ON VEGETABLE GRAFTING, Vol. 1302, pp. 65–71.

By: T. Ingram*, S. Sharpe, F. Louws* & I. Meadows*

Contributors: T. Ingram*, S. Sharpe, F. Louws* & I. Meadows*

author keywords: vegetable; tomato; grafting; pruning; pinching; spacing; fruit size
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, ORCID
Added: November 23, 2021

2020 journal article

Advances and Challenges in Bacterial Spot Resistance Breeding in Tomato (Solanum lycopersicum L.)

International Journal of Molecular Sciences, 21(5), 1734.

By: P. Adhikari n, T. Adhikari n, F. Louws n & D. Panthee n

author keywords: bacterial spot; genome editing; host resistance; resistance breeding; transgenics; Xanthomonas
MeSH headings : Breeding; Disease Resistance / genetics; Gene Editing; Solanum lycopersicum / genetics; Solanum lycopersicum / microbiology; Plant Diseases / genetics; Plant Diseases / microbiology; Plants, Genetically Modified / genetics; Plants, Genetically Modified / microbiology
TL;DR: The genomics-assisted breeding, effectors-based genomics breeding, and genome editing technology could be novel approaches to achieve durable resistance to bacterial spot in tomato with future prospectives with novel breeding approaches. (via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: March 16, 2020

2020 journal article

Canine olfactory detection of a vectored phytobacterial pathogen, Liberibacter asiaticus, and integration with disease control

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 117(7), 3492–3501.

By: T. Gottwald*, G. Poole*, T. McCollum*, D. Hall*, J. Hartung*, J. Bai*, W. Luo n, D. Posny n ...

Contributors: T. Gottwald*, G. Poole*, T. McCollum*, D. Hall*, J. Hartung*, J. Bai*, W. Luo n, D. Posny n ...

author keywords: canine detection; early detection; huanglongbing; epidemic simulation; direct assay
MeSH headings : Animals; Citrus / microbiology; Dogs / physiology; Hemiptera / microbiology; Hemiptera / physiology; Insect Vectors / microbiology; Insect Vectors / physiology; Longitudinal Studies; Plant Diseases / microbiology; Rhizobiaceae / genetics; Rhizobiaceae / isolation & purification; Rhizobiaceae / physiology; Smell
Sources: Web Of Science, NC State University Libraries, ORCID
Added: March 16, 2020

2020 journal article

Comparative Genome Analyses of 18 Verticillium dahliae Tomato Isolates Reveals Phylogenetic and Race Specific Signatures

FRONTIERS IN MICROBIOLOGY, 11.

By: T. Ingram n, Y. Oh n, T. Adhikari n, F. Louws n & R. Dean n

author keywords: Solanum lycopersicum; secreted effectors; whole genome resequencing; soilborne fungus; Verticillium dahliae race 2
TL;DR: Four highly clonal lineages/groups were discovered, including a lineage unique to North Carolina isolates, which had the rare MAT1-1 mating type and may suggest that these highly variable regions are enriched in race determinant genes, consistent with the two-speed genome hypothesis. (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, NC State University Libraries
Added: January 4, 2021

2020 journal article

Interdisciplinary Synergies to Advance Plant Health in Horticultural Systems

Hortscience. https://publons.com/wos-op/publon/56007331/

Contributors: F. Louws

Source: ORCID
Added: February 1, 2023

2020 review

Meloidogyne enterolobii, a Major Threat to Tomato Production: Current Status and Future Prospects for Its Management

[Review of ]. FRONTIERS IN PLANT SCIENCE, 11.

By: A. Philbrick n, T. Adhikari n, F. Louws n & A. Gorny n

author keywords: root-knot nematode; population biology; disease management; RNA interference; gene editing
TL;DR: The current knowledge on geographic distribution, host range, population biology, control measures, and proposed future strategies to improve M. enterolobii control in tomato are reviewed. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: December 21, 2020

2020 journal article

Opportunities and Challenges in Studies of Host-Pathogen Interactions and Management of Verticillium dahliae in Tomatoes

Plants, 9(11), 1622.

By: B. Acharya n, T. Ingram n, Y. Oh n, T. Adhikari n, R. Dean n & F. Louws n

author keywords: tomato; Solanum Lycopersicon L.; Verticillium dahliae; plant-pathogen interactions; disease resistance; integrated disease management
TL;DR: The current knowledge on the race and population structure of V. dahliae is discussed, including pathogenicity factors, host genes, proteins, enzymes involved in defense, and the emergent management strategies and future research directions for managing Verticillium wilt in tomatoes are discussed. (via Semantic Scholar)
Source: ORCID
Added: November 24, 2020

2020 journal article

Pathogenomics Characterization of an Emerging Fungal Pathogen,Fusarium oxysporumf. sp.lycopersiciin Greenhouse Tomato Production Systems

FRONTIERS IN MICROBIOLOGY, 11.

By: T. Adhikari n, A. Gao, T. Ingram n & F. Louws n

author keywords: tomato (Solanum lycopersicum); Fusarium wilt; Fusarium oxysporumf; sp; lycopersici; virulence; host resistance; genetic diversity; fungal effectors; SIXgenes
TL;DR: Diversity assessments based on sequences of the effector Six3- and the translation elongation factor 1-α encoding genes SIX3 and tef1-α were the most informative to differentiate pathogenic races of FOL and resulted in race 1, forming a monophyletic clade while race 3 comprised multiple clades. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: October 5, 2020

2020 journal article

Screening Tomato Breeding Lines for Bacterial Wilt Resistance in NC

Hortscience. https://publons.com/wos-op/publon/51538717/

Contributors: D. Panthee, A. Piotrowski & F. Louws

Source: ORCID
Added: February 1, 2023

2019 journal article

A probabilistic census-travel model to predict introduction sites of exotic plant, animal and human pathogens

By: T. Gottwald*, W. Luo n, D. Posny n, T. Riley* & F. Louws n

Contributors: T. Gottwald*, W. Luo n, D. Posny n, T. Riley* & F. Louws n

author keywords: census-travel model; introductions; exotic; contagion
MeSH headings : Animals; Communicable Diseases / epidemiology; Communicable Diseases / microbiology; Communicable Diseases / parasitology; Disease Outbreaks; Global Health; Human Migration; Humans; Internationality; Models, Biological; Plant Diseases / microbiology; Public Health; Travel
TL;DR: A predictive census-travel model is presented that integrates international travel with endpoint census data and epidemiological characteristics to predict points of introduction and applies a risk algorithm to generate risk maps for plant, human and animal contagions at different spatial scales. (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)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 8, 2019

2019 journal article

Assessing Rate-Reducing Foliar Resistance to Anthracnose Crown Rot and Fruit Rot in Strawberry

Plant Disease, 104(2), 398–407.

By: R. Jacobs n, T. Adhikari n, J. Pattison n, G. Yencho n, G. Fernandez n & F. Louws n

author keywords: etiology; fungi; fruit; pathogen detection; small fruits; techniques
MeSH headings : Colletotrichum; Fragaria; Fruit; North Carolina; Plant Diseases
TL;DR: Overall, rate-reducing resistance to HBI and ACR in strawberry identified in this study could be utilized in breeding programs to develop durable resistance to anthracnose in North Carolina. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries
Added: March 16, 2020

2019 journal article

Effect of rootstock and nitrogen fertilizer on growth and yield in watermelon

JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY, 94(6), 798–804.

By: D. Suchoff n, J. Schultheis n, C. Gunter n, R. Hassell* & F. Louws n

Contributors: D. Suchoff n, J. Schultheis n, C. Gunter n, R. Hassell* & F. Louws n

author keywords: Herbaceous grafting; Melody; Strongtosa; Carnivor; Macis; Citrullus lanatus
TL;DR: Findings suggest that rootstocks do not increase yield or growth in the scion nor do they require different nitrogen application rates, however, some rootstocksDo improve overall fruit quality. (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: July 1, 2019

2019 journal article

Effector profile analysis of the tomato and pepper pathogens Xanthomonas perforans and X. euvesicatoria

Molecular Plant-Microbe Interactions. https://publons.com/wos-op/publon/43810292/

Contributors: F. Iruegas-Bocardo, S. Timilsina, M. Jibrin, G. Minsavage, P. Abrahamian, D. Egel, T. Creswell, S. Miller ...

Source: ORCID
Added: February 1, 2023

2019 journal article

Effector profiles of Xanthomonas perforans and X. euvesicatoria provide insights into the evolution of host range and virulence in BLS pathogens

Phytopathology. https://publons.com/wos-op/publon/35502815/

Contributors: F. Iruegas-Bocardo, S. Timilsina, M. Jibrin, G. Minsavage, P. Abrahamian, D. Egel, T. Creswell, S. Miller ...

Source: ORCID
Added: February 1, 2023

2019 journal article

First Report of Anthracnose Causing Both Crown and Fruit Rot of Strawberry by Colletotrichum siamense in North Carolina

Plant Disease, 5(7), PDIS-02–19-0314.

By: T. Adhikari n, J. Chacon n, G. Fernandez n & F. Louws n

author keywords: fungi; small fruits; etiology
Sources: ORCID, Crossref, NC State University Libraries
Added: June 6, 2019

2019 journal article

Four bottlenecks restrict colonization and invasion by the pathogen Ralstonia solanacearum in resistant tomato

Journal of Experimental Botany, 71(6), 2157–2171.

By: M. Planas-Marquès*, J. Kressin n, A. Kashyap*, D. Panthee n, F. Louws n, N. Coll*, M. Valls*

Contributors: M. Planas-Marques*, J. Kressin n, A. Kashyap*, D. Panthee n, F. Louws n, N. Coll*, M. Valls*

Ed(s): P. Bozhkov

author keywords: Bacterial wilt; disease resistance; Ralstonia solanacearum; tomato; vascular pathogen; xylem
MeSH headings : Solanum lycopersicum; Plant Diseases; Ralstonia solanacearum; Solanum melongena; Xylem
TL;DR: The spatio-temporal dynamics of the tomato- Ralstonia solanacearum interaction is shown, revealing an out-of-the-xylem spread that will help elucidate the complex genetic determinants of resistance and set the foundations to decipher the molecular mechanisms that limit pathogen colonization. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: July 20, 2020

2019 article

Inference of Population Genetic Structure and High Linkage Disequilibrium Among Alternaria spp. Collected from Tomato and Potato Using Genotyping by Sequencing

Adhikari, T. B., Knaus, B. J., Grünwald, N. J., Halterman, D., & Louws, F. J. (2019, November 1). PLoS ONE, Vol. 11.

By: T. Adhikari n, B. Knaus*, N. Grünwald*, D. Halterman* & F. Louws n

TL;DR: The findings provide new insights into the understanding of clonal populations on a genome-wide scale and microevolutionary factors that might play an important role in population structure. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: ORCID
Added: March 16, 2020

2019 journal article

Phenotypic and Genetic Diversity of Xanthomonas perforans Populations from Tomato in North Carolina

PHYTOPATHOLOGY, 109(9), 1533–1543.

By: P. Adhikari n, T. Adhikari n, S. Timilsina*, I. Meadows n, J. Jones*, D. Panthee n, F. Louws n

author keywords: population biology
MeSH headings : Florida; Genetic Variation; Solanum lycopersicum / microbiology; North Carolina; Phylogeny; Plant Diseases / microbiology; Xanthomonas / classification; Xanthomonas / genetics
TL;DR: These results provide insights into bacterial spot management strategies in tomato should focus on deploying resistance genes to combat emerging pathogenic races of X. perforans and overcome the challenges currently posed by intense use of copper-based bactericides. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 28, 2019

2019 journal article

Resistance to Non-Race 1 Verticillium dahliae in Tomatoes Suppresses Necrosis and Chlorosis Symptoms in Infected Plants

Phytopathology. https://publons.com/wos-op/publon/56007333/

Contributors: T. Ingram, R. Gardner, Y. Oh, R. Dean & F. Louws

Source: ORCID
Added: February 1, 2023

2019 journal article

Structural restriction to Ralstonia solanacearum colonization and invasion in resistant tomato varieties

Molecular Plant-Microbe Interactions. https://publons.com/wos-op/publon/34816003/

Contributors: M. Planas-Marques, J. Kressin, A. Kashyap, D. Panthee, F. Louws, N. Coll, M. Valls

Source: ORCID
Added: February 1, 2023

2019 journal article

Yield and Disease Resistance for Three Bacterial Wilt-resistant Tomato Rootstocks

HORTTECHNOLOGY, 29(3), 330–337.

By: D. Suchoff n, F. Louws n & C. Gunter n

Contributors: D. Suchoff n, F. Louws n & C. Gunter n

author keywords: grafting; on-farm; Ralstonia solanacearum; Solanum lycopersicum; yield
TL;DR: Compared the bacterial wilt resistance of three commercially available tomato rootstocks, which are purported to be resistant to bacterial wilts, rootstock-imparted resistance improved marketable yields by between 88% and 125% compared with the nongrafted plants, and there were no yield benefits to grafting with any of the three rootstocks. (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: July 1, 2019

2018 journal article

Comparison of Root System Morphology of Cucurbit Rootstocks for Use in Watermelon Grafting

HORTTECHNOLOGY, 28(5), 629–636.

By: M. Bertucci*, D. Suchoff n, K. Jennings n, D. Monks n, C. Gunter n, J. Schultheis n, F. Louws n

Contributors: M. Bertucci*, D. Suchoff n, K. Jennings n, D. Monks n, C. Gunter n, J. Schultheis n, F. Louws n

author keywords: Citrullus lanatus; Cucurbita maxima; Cucurbita moscbata; Cucurbita pepo; Lagenaria siceraria; scion
TL;DR: It is demonstrated that substantial differences exist during the initial 3 WAT in root system morphology of rootstocks and rootstock species available for watermelon grafting and that morphologic differences of root systems can be characterized using image analysis. (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: November 19, 2018

2018 journal article

Critical Period for Weed Control in Grafted and Nongrafted Watermelon Grown in Plasticulture

Weed Science, 67(2), 221–228.

By: M. Bertucci n, K. Jennings n, D. Monks*, J. Schultheis n, F. Louws n, D. Jordan n, C. Brownie n

Contributors: M. Bertucci n, K. Jennings n, D. Monks*, J. Schultheis n, F. Louws n, D. Jordan n, C. Brownie n

author keywords: Carlene Chase; University of Florida; Competition; establishment; interference; removal
TL;DR: The observed CPWC of Exclamation grafted onto Kazako suggests that CPWC may vary with specific rootstock–scion combinations, and the study results suggest that weed control for this mixed population of weeds would be similar between nongrafted Exclamation and Exclamationgrafted onto Carnivor. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: May 13, 2019

2018 journal article

Early Season Growth, Yield, and Fruit Quality of Standard and Mini Watermelon Grafted onto Several Commercially Available Cucurbit Rootstocks

HORTTECHNOLOGY, 28(4), 459–469.

author keywords: Citrullus lanatus; Cucurbita maxima; Cucurbita moschata; Cucurbitn pepo; Lagenaria siceraria; scion
TL;DR: No benefits are observed in early season growth, yield, or phytonutrient content of watermelon in response to grafting and in the absence of known disease pressure in a fumigated system. (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: October 16, 2018

2018 journal article

Effect of Bicyclopyrone on Triploid Watermelon in Plasticulture

Weed Technology, 32(4), 439–443.

By: M. Bertucci n, K. Jennings n, D. Monks*, D. Jordan n, J. Schultheis n, F. Louws*, M. Waldschmidt n

author keywords: Crop injury; herbicide; HPPD
TL;DR: Registration of bicyclopyrone (37.5 and 50 g ha-1) PREPLANT, POST, and POST-DIR would offer watermelon producers a safe herbicide option and a novel mode of action for weed management. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Crossref, NC State University Libraries, ORCID
Added: May 16, 2019

2018 article

Evaluation of biopesticides and biorationals on bacterial canker and bacterial spot disease levels in tomato fresh-market production in North Carolina

V INTERNATIONAL SYMPOSIUM ON TOMATO DISEASES: PERSPECTIVES AND FUTURE DIRECTIONS IN TOMATO PROTECTION, Vol. 1207, pp. 241–247.

By: F. Louws*

Contributors: F. Louws*

author keywords: Clavibacter; Xanthomonas; tomato; disease control; late blight
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 4, 2019

2018 journal article

Grafted Tomato Shoot and Root Responses to Drying Soils

Hortscience. https://publons.com/wos-op/publon/56007342/

Contributors: D. Suchoff, F. Louws, J. Schultheis, M. Kleinhenz & C. Gunter

Source: ORCID
Added: February 1, 2023

2018 journal article

Grafting the Indeterminate Tomato Cultivar Moneymaker onto Multifort Rootstock Improves Cold Tolerance

HORTSCIENCE, 53(11), 1610–1617.

Contributors: D. Suchoff n, P. Perkins-Veazie n, H. Sederoff n, J. Schultheis n, M. Kleinhenz n, F. Louws n, C. Gunter n

author keywords: Solanum habrochaites; Solanum lycopersicum; herbaceous grafts; root system morphology; suboptimal temperature
TL;DR: The ability for ‘Multifort’ to maintain root growth at suboptimal temperatures may improve root system sink strength, thereby promoting movement of photosynthate from leaf to root even under cold conditions. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
7. Affordable and Clean Energy (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: December 17, 2018

2018 journal article

Improving Tomato Cold Tolerance through Grafting

Hortscience. https://publons.com/wos-op/publon/38620984/

Contributors: D. Suchoff, P. Perkins-Veazie, H. Sederoff, J. Schultheis, M. Kleinhenz, F. Louws, C. Gunter

Source: ORCID
Added: February 1, 2023

2018 journal article

Inheritance of Resistance to Colletotrichum gloeosporioides and C. acutatum in Strawberry

Phytopathology, 109(3), 428–435.

By: R. Jacobs, T. Adhikari n, J. Pattison*, G. Yencho, G. Fernandez* & F. Louws n

MeSH headings : Colletotrichum; Fragaria; Genotype; Phenotype; Plant Diseases / microbiology
TL;DR: Findings provide valuable insight into the genetic basis of resistance, and the evaluation and deployment of resistance to HBIs and ACR in strawberry breeding programs. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: April 2, 2019

2018 journal article

Integrating grafting and emerging products to manage soilborne diseases of tomato

Acta Horticulturae, 1207(1207), 249–254.

By: F. Louws*, D. Suchoff*, J. Kressin, D. Panthee*, J. Driver* & C. Gunter*

Contributors: F. Louws*, D. Suchoff*, J. Kressin, D. Panthee*, J. Driver* & C. Gunter*

author keywords: Ralstonia solanacearum; vegetable grafting; rootstock; on-farm-research; fumigation
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, Crossref
Added: June 4, 2019

2018 journal article

Interference of Palmer amaranth (Amaranthus palmeri) Density in Grafted and Nongrafted Watermelon

Weed Science, 67(2), 229–238.

By: M. Bertucci n, K. Jennings n, D. Monks*, J. Schultheis n, F. Louws* & D. Jordan n

Contributors: M. Bertucci n, K. Jennings n, D. Monks*, J. Schultheis n, F. Louws* & D. Jordan n

author keywords: Carlene Chase; University of Florida; Competition; Cucurbitaceae; seed production; vegetable
TL;DR: While grafting may offer benefits for disease resistance, no benefits regarding weed-competitive ability were observed, and a consistent yield penalty was associated with grafting, even in weed-free treatments. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: May 14, 2019

2018 journal article

New approaches to detection: Canine surveillance of high risk pathogens

Phytopathology. https://publons.com/wos-op/publon/56007343/

Contributors: T. Gottwald, G. Poole, G. Mccollum, W. Luo & F. Louws

Source: ORCID
Added: February 1, 2023

2018 journal article

Optimizing genetics to manage Verticillium Wilt in tomatoes through traditional breeding and grafting: An elusive challenge

Phytopathology. https://publons.com/wos-op/publon/56007337/

Contributors: T. Ingram, R. Gardner, J. Kressin, Y. Oh, R. Dean & F. Louws

Source: ORCID
Added: February 1, 2023

2018 journal article

Rootstock Effect on Grafted Tomato Transplant Shoot and Root Responses to Drying Soils

HORTSCIENCE, 53(11), 1586–1592.

By: D. Suchoff n, C. Gunter n, J. Schultheis n, M. Kleinhenz n & F. Louws n

Contributors: D. Suchoff n, C. Gunter n, J. Schultheis n, M. Kleinhenz n & F. Louws n

author keywords: rootstock; herbaceous grafts; irrigation; heirloom tomato; root system morphology
TL;DR: A constitutive positive increase on relative water content, leaf area, stomatal conductance (gS), and net CO2 assimilation rate was observed with scions grafted on ‘Beaufort’, and data secured may allow for better screening of rootstocks for improved water use efficiency in the future. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: December 17, 2018

2018 journal article

Rootstock Improves High-tunnel Tomato Water Use Efficiency

HORTTECHNOLOGY, 28(3), 344–353.

author keywords: grafted tomato; herbaceous graft; irrigation; heirloom tomato; on-farm; fruit yield; economic analysis
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2018 journal article

The effect of grafting on nitrogen use in determinate field-grown tomatoes

JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY, 94(1), 102–109.

By: D. Suchoff n, C. Gunter n, J. Schultheis n, R. Hassell* & F. Louws*

Contributors: D. Suchoff n, C. Gunter n, J. Schultheis n, R. Hassell* & F. Louws*

author keywords: rootstock; herbaceous grafting; Maxifort; RST-106; Solanum lycopersicum; Tribute
TL;DR: Grafting tomato onto disease resistant rootstocks has grown in use in North America over the past two decades and is shown to be a viable process for propagating disease resistant tomatoes. (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: January 7, 2019

2018 journal article

Thirst Quenching: Improving Tomato Water Use Efficiency through Grafting

Hortscience. https://publons.com/wos-op/publon/56007338/

Contributors: D. Suchoff, C. Gunter, M. Kleinhenz, J. Schultheis & F. Louws

Source: ORCID
Added: February 1, 2023

2017 journal article

Absorption, Translocation, and Metabolism of 14C-Halosulfuron in Grafted Eggplant and Tomato

Weed Technology, 31(6), 908–914.

By: S. Chaudhari n, K. Jennings n, D. Monks n, D. Jordan n, C. Gunter n & F. Louws n

author keywords: Interspecific; intraspecific; metabolism; rootstock; sulfonylurea
TL;DR: Results indicate that grafting did not affect absorption, translocation, and metabolism of POST halosulfuron in tomato and eggplant, and tomato plants metabolized halOSulfuron faster compared to eggplant regardless of grafting. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
Sources: Crossref, NC State University Libraries, ORCID
Added: May 14, 2019

2017 journal article

Comparative Analysis of Root System Morphology in Tomato Rootstocks

HORTTECHNOLOGY, 27(3), 319–324.

By: D. Suchoff n, C. Gunter n & F. Louws n

author keywords: Lycopersicum esculentum; WinRHIZO; grafted; specific root length; average root diameter; total root length
TL;DR: This study demonstrated that gross differences exist in RSM of tomato rootstocks and that, when grown in a solid porous medium, these differences can be determined using an image analysis system. (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

Early Season Crop Development, Yield, and Fruit Quality of Standard and Mini Watermelons Grafted to Several Cucurbit Rootstocks

Hortscience. https://publons.com/wos-op/publon/56007345/

Contributors: M. Bertuccil, K. Jennings, D. Monks, D. Jordan, F. Louws, J. Schultheis, W. Thompson, K. Starke

Source: ORCID
Added: February 1, 2023

2017 journal article

Early Season Crop Development, Yield, and Fruit Quality of Standard and Mini Watermelons Grafted to Several Cucurbit Rootstocks

Hortscience. https://publons.com/wos-op/publon/56007349/

Contributors: M. Bertucci, K. Jennings, D. Monks, D. Jordan, F. Louws, J. Schultheis, W. Thompson, K. Starke

Source: ORCID
Added: February 1, 2023

2017 journal article

Epidemiological Significance of Crown Rot in the Fruiting Field in Relation to Colletotrichum gloeosporioides Infection of Strawberry Nursery Plants

PLANT DISEASE, 101(6), 907–915.

By: M. Rahman n & F. Louws n

TL;DR: This study provides results that can enable nursery and fruit growers to assess risk and implement mitigation measures to limit nursery plant and fruit yield losses. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2017 article

Grafting as agrotechnology for reducing disease damage.

Cohen, R., Dombrovsky, A., & Louws, F. J. Vegetable Grafting: Principles and Practices, pp. 155–170.

By: R. Cohen, A. Dombrovsky & F. Louws*

Source: ORCID
Added: March 16, 2020

2017 journal article

Influence of Grafting on the Critical Period for Weed Control in Grafted Watermelon

Hortscience. https://publons.com/wos-op/publon/35909164/

Contributors: M. Bertucci, K. Jennings, D. Monks, D. Jordan, F. Louws, J. Schultheis, S. Smith, N. Basinger, M. Walsdchmidt

Source: ORCID
Added: February 1, 2023

2017 journal article

Response of Drought-Stressed Grafted and Nongrafted Tomato to Postemergence Metribuzin

WEED TECHNOLOGY, 31(3), 447–454.

By: S. Chaudhari n, K. Jennings n, D. Monks n, D. Jordan n, C. Gunter n & F. Louws n

author keywords: Grafting; photosynthesis; rootstock; stomatal conductance
TL;DR: Grafted and non-grafted tomato plants under drought-stress exhibit similar tolerance to metribuzin, and the risk of met ribuzin injury to grafted tomato under drought -stress is similar to non-Grafted tomato. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
6. Clean Water and Sanitation (OpenAlex)
13. Climate Action (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2017 journal article

Rootstock-imparted Water Use Efficiency in Grafted Heirloom Tomatoes

Hortscience. https://publons.com/wos-op/publon/56007339/

Contributors: D. Suchoff, F. Louws, J. Schultheis, M. Kleinhenz & C. Gunter

Source: ORCID
Added: February 1, 2023

2016 journal article

Critical Period for Weed Control in Grafted and Nongrafted Fresh Market Tomato

WEED SCIENCE, 64(3), 523–530.

By: S. Chaudhari n, K. Jennings n, D. Monks n, D. Jordan n, C. Gunter n, S. McGowen n, F. Louws n

author keywords: Competition; establishment; grafted tomato; interference; removal
TL;DR: In both grafted and nongrafted tomato, plant aboveground dry biomass increased as establishment of weeds is delayed and tomato plant biomass decreased when removal of weeds was delayed; for a given time of weed removal and establishment, grafted tomato plants produced higher biomass than nongraft plants. (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 6, 2018

2016 journal article

Differential response of tomato genotypes to Xanthomonas-specific pathogen-associated molecular patterns and correlation with bacterial spot (Xanthomonas perforans) resistance

Horticulture Research, 3.

By: K. Bhattarai, F. Louws n, J. Williamson n & D. Panthee*

TL;DR: Although there was no consistent relationship between peptides used and host response to the BS, there was a significant negative correlation between foliar disease severity and ROS production, when flg22-Xac was used, which could potentially be used to identify the Xanthomonas-specific PRR allele in tomato. (via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2016 journal article

Resistance to Xanthomonas perforans race T4 causing bacterial spot in tomato breeding lines

Plant Pathology, 66(7), 1103–1109.

By: K. Bhattarai n, F. Louws n, J. Williamson n & D. Panthee n

author keywords: L3707 tomato line; screening; Solanum lycopersicum; Solanum pimpinellifolium
TL;DR: Tomato lines derived from S. pimpinellifolium L3707 followed by development of a mapping population and mapping resistance genes might be useful for breeding resistance against BS in future breeding programmes are screened. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: August 6, 2018

2015 journal article

2013 On-farm Grafted Tomato Trial to Manage Bacterial Wilt

Acta Horticulturae (ISHS), 1086(1086), 119–127.

By: D. Suchoff*, F. Louws*, C. Gunter* & J. Schultheis*

author keywords: grafted tomato; on-farm; bacterial wilt
TL;DR: Grafted tomatoes offered an alternative method to fumigation as a means to reduce BW loss and sustain marketable yield in fields with BW history. (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

2015 journal article

Characterization of Root Systems in Tomato and Tomato Rootstocks Through the Use of Mini-Horhizotron Technology

Hortscience. https://publons.com/wos-op/publon/56007340/

Contributors: D. Suchoff, C. Gunter, J. Schultheis, B. Jackson, F. Louws & R. Hassell

Source: ORCID
Added: February 1, 2023

2015 journal article

Decision Tool for Growers to Evaluate Economic Impact of Grafting Technology Adoption: An Application to Open-field Conventional Tomato Production

HortTechnology, 25(1), 132–138.

By: O. Rysin n & F. Louws n

author keywords: enterprise budgets; Solanum lycopersicum; sensitivity analysis
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 journal article

Economic Viability and Environmental Impact Assessment of Three Different Strawberry Production Systems in the Southeastern United States

HortTechnology, 25(4), 585–594.

By: O. Rysin n, A. McWhirt n, G. Fernandez n, F. Louws n & M. Schroeder-Moreno n

author keywords: enterprise production budgets; Fragaria x ananassa; environmental and human health impact indicators
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2015 journal article

IS VEGETABLE GRAFTING ECONOMICALLY VIABLE IN THE UNITED STATES: EVIDENCE FROM FOUR DIFFERENT TOMATO PRODUCTION SYSTEMS

Acta Horticulturae, 6(1086), 79–86.

By: O. Rysin*, C. Rivard & F. Louws*

TL;DR: Four case studies representing distinct tomato (Solanum lycopersicum) production systems were selected to investigate the forces that should be driving grower adoption decisions and the use of grafted transplants generally resulted in positive net returns. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018

2015 journal article

Impacts of Biofumigation and Anaerobic Soil Disinfestation in Strawberry Production

Hortscience. https://publons.com/wos-op/publon/56007344/

Contributors: J. Wheeler, D. Deyton, D. Butler, F. Louws & C. Sams

Source: ORCID
Added: February 1, 2023

2015 journal article

Impacts of Biofumigation and Anaerobic Soil Disinfestation on Strawberry Plant Nutrition and Fruit Quality

Hortscience. https://publons.com/wos-op/publon/56007350/

Contributors: J. Wheeler, D. Deyton, D. Butler, F. Louws & C. Sams

Source: ORCID
Added: February 1, 2023

2015 journal article

Integrated Pest Information Platform for Extension and Education (iPiPE): A new USDA Cooperative Agricultural Program (CAP)

Phytopathology. https://publons.com/wos-op/publon/56007348/

Contributors: S. Isard & F. Louws

Source: ORCID
Added: February 1, 2023

2015 journal article

Population genetic analysis of early blight pathogen, Alternaria solani from tomato and potato

Phytopathology. https://publons.com/wos-op/publon/56007347/

Contributors: T. Adhikari, V. Rumsch, S. Gurung, D. Halterman & F. Louws

Source: ORCID
Added: February 1, 2023

2015 journal article

Response of Eggplant (Solanum melongena) Grafted onto Tomato (Solanum lycopersicum) Rootstock to Herbicides

WEED TECHNOLOGY, 30(1), 207–216.

By: S. Chaudhari n, K. Jennings n, D. Monks n, D. Jordan n, C. Gunter n, N. Basinger n, F. Louws n

author keywords: Application method; crop tolerance; grafting; rootstock
TL;DR: The pretransplant S-metolachlor, napropamide, fomesafen, and trifluralin are safe to use on eggplant grafted onto tomato rootstock, and will be a valuable addition to the toolkit of eggplant growers. (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 6, 2018

2015 journal article

Response of Grafted Tomato (Solanum lycopersicum) to Herbicides

WEED TECHNOLOGY, 29(4), 800–809.

By: S. Chaudhari n, K. Jennings n, D. Monks n, D. Jordan n, C. Gunter n & F. Louws n

author keywords: Crop tolerance; fruit number and yield; methyl bromide alternatives
TL;DR: Grafted tomato exhibited similar tolerance as nongrafted tomato for all herbicides applied post- and pretransplant, and a transplant type-by-herbicide interaction was not observed for yield, but grafted A-Maxifort tomato produced greater total and marketable yield than nongraft Amelia tomato. (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 6, 2018

2015 journal article

Response of Grafted Tomato to Nitrogen

Hortscience. https://publons.com/wos-op/publon/56007341/

Contributors: D. Suchoff, C. Gunter, J. Schultheis, B. Jackson, R. Hassell & F. Louws

Source: ORCID
Added: February 1, 2023

2015 journal article

Rhizoctonia communities in soybean fields and their relation with other microbes and nematode communities

EUROPEAN JOURNAL OF PLANT PATHOLOGY, 144(3), 671–686.

By: B. Liu*, W. Shen*, H. Wei*, H. Smith*, F. Louws n, J. Steadman*, J. Correll*

author keywords: Root rot; Rhizoctonia communities; Microbial communities; Nematode; DGGE; CCA; Correlation analysis
TL;DR: Cluster analysis showed that the communities of both Rhizoctonia and bacteria in sampled areas were separated based on healthy and diseased plants using denaturing gradient gel electrophoresis (DGGE); however, there was no clear separation for Fusarium, Pythium and Trichoderma communities, indicating these species might not be directly associated with Rhiz octonia root rot. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2014 journal article

Critical Period for Weed Control in Grafted versus Nongrafted Tomato

Hortscience. https://publons.com/wos-op/publon/56007352/

Contributors: S. Chaudhari, K. Jennings, D. Monks & F. Louws

Source: ORCID
Added: February 1, 2023

2014 journal article

Initial Inoculum and Spatial Dispersal of Colletotrichum gloeosporioides, the Causal Agent of Strawberry Anthracnose Crown Rot

PLANT DISEASE, 99(1), 80–86.

By: M. Rahman n, P. Ojiambo n & F. Louws n

TL;DR: Results indicated that Parthenocissus quinquefolia is a noncultivated host of C. gloeosporioides in North Carolina and may serve as an initial inoculum source for planting material and rogueing of infected plants within a 4-m radius of infection foci would reduce the risk of transferring infected runner plants from the nursery to the fruiting field. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2014 journal article

Screening of Tomato (<i>Solanum lycopersicum</i> L.) Lines for Bacterial Spot (<i>Xanthomonas Species</i>) Resistance

Hortscience. https://publons.com/wos-op/publon/51538733/

Contributors: K. Bhattarai, F. Louws, J. Williamson & D. Panthee

Source: ORCID
Added: February 1, 2023

2014 journal article

Tomato Rootstock Resistance to Bacterial Wilt (Ralstonia solanacearum): Effects of Genotype and Cold Stress on Epidemic Profile

Hortscience. https://publons.com/wos-op/publon/51538732/

Contributors: J. Kressin, E. Silverman, F. Louws & D. Panthee

Source: ORCID
Added: February 1, 2023

2013 article

First Report of Cylindrocarpon sp Associated with Root Rot Disease of Strawberry in North Carolina

Adhikari, T. B., Hodges, C. S., & Louws, F. J. (2013, September). PLANT DISEASE, Vol. 97, pp. 1251–1251.

By: T. Adhikari n, C. Hodges n & F. Louws n

TL;DR: To the authors' knowledge, this is the first report of a Cylindrocarpon sp. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2013 journal article

Multiple divergent ITS1 copies were identified in single tomato genome using DGGE analysis

Plant Molecular Biology Reporter, 31(2), 272–279.

By: B. Liu & F. Louws

Source: NC State University Libraries
Added: August 6, 2018

2013 journal article

Organic Gardening Educational Materials for Extension Master Gardener Volunteers

Hortscience. https://publons.com/wos-op/publon/56007346/

Contributors: A. Rankin, L. Bradley, D. Orr & F. Louws

Source: ORCID
Added: February 1, 2023

2012 journal article

Grafting Tomato to Manage Bacterial Wilt Caused by Ralstonia solanacearum in the Southeastern United States

PLANT DISEASE, 96(7), 973–978.

By: C. Rivard*, . S. O'Connell, M. Peet*, R. Welker n & F. Louws n

TL;DR: In this study, tomato plants grafted onto 'Dai Honmei' and 'RST-04-105-T' rootstocks had significantly lower area under the disease progress curve (AUDPC) values compared with nongrafted plants, and fruit yields were significantly increased by grafting onto resistant rootstocks at all three sites. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

High Tunnel and Field Production of Organic Heirloom Tomatoes: Yield, Fruit Quality, Disease, and Microclimate

HORTSCIENCE, 47(9), 1283–1290.

By: S. O'Connell n, C. Rivard n, M. Peet n, C. Harlow n & F. Louws n

author keywords: Solanum lycopersicum; greenhouse; season extension; plasticulture; hoop house; local markets; IPM
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2012 journal article

Vegetable Seedling Diseases Associated with Earthworm Castings Contaminated with Phytophthora capsici and Pythium Attrantheridium

Plant Health Progress, 13(1), 15.

By: B. Liu*, D. Roos, S. Buttler n, B. Richter n & F. Louws n

Source: ORCID
Added: March 16, 2020

2011 journal article

A rapid qualitative molecular method for the identification of Colletotrichum acutatum and C. gloeosporioides

EUROPEAN JOURNAL OF PLANT PATHOLOGY, 132(4), 593–607.

By: B. Liu n, F. Louws n, T. Sutton n & J. Correll*

author keywords: Rapid identification; Diagnosis; C. acutatum; C. gloeosporioides; Glutamine synthetase (GS) gene; Restriction enzyme digestion
TL;DR: RFLP of the 1-kb GS intron is a reliable technique for identification and differentiation between both species, does not require a sequencing step, and may be useful to diagnostic clinics in helping to make disease management recommendations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2011 journal article

First Report of Anthracnose Caused by Colletotrichum fragariae on Cyclamen in North Carolina

Plant Disease, 95(11), 1480–1480.

By: B. Liu n, M. Munster n, C. Johnson n & F. Louws n

TL;DR: Results from disease symptoms, colony and spore morphology, pathogenicity tests, and ITS sequence analysis suggest that C. fragariae was the pathogen responsible for the disease symptoms on cyclamens. (via Semantic Scholar)
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2010 journal article

An Economic Analysis of Two Grafted Tomato Transplant Production Systems in the United States

HORTTECHNOLOGY, 20(4), 794–803.

By: C. Rivard n, O. Sydorovych n, S. O'Connell n, M. Peet n & F. Louws n

author keywords: soilborne diseases; organic; IPM; propagation; grafting; rootstock; Solanum lycopersicum
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2010 journal article

Grafting Tomato with Interspecific Rootstock to Manage Diseases Caused by Sclerotium rolfsii and Southern Root-Knot Nematode

PLANT DISEASE, 94(8), 1015–1021.

By: C. Rivard n, . S. O'Connell, M. Peet n & F. Louws n

TL;DR: In this study, southern blight (SB) and root-knot nematodes (RKN) were effectively managed using interspecific hybrid rootstocks and grafting was effective at maintaining crop productivity in soils infested with S. rolfsii and M. incognita. (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

2010 review

Grafting fruiting vegetables to manage soilborne pathogens, foliar pathogens, arthropods and weeds

[Review of ]. SCIENTIA HORTICULTURAE, 127(2), 127–146.

By: F. Louws n, C. Rivard n & C. Kubota*

author keywords: Plant pathogens; Arthropod; Tomato; Pepper; Eggplant; Cucurbit
TL;DR: The use of grafting as an Integrated pest management tool to manage biotic stress will be most successful when carried out with increasing knowledge about the biology, diversity, and population dynamics of the pathogen or other pests and when complemented with sustainable farming system practices. (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

2009 article

IPM for Soilborne Disease Management for Vegetable and Strawberry Crops in SE USA

Louws, F. J. (2009, August). Recent Developments in Management of Plant Diseases, pp. 217–227.

By: F. Louws n

author keywords: Soilborne diseases; Fumigation; Integrated pest management; Effective extension
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Source: ORCID
Added: March 16, 2020

2008 journal article

Economic evaluation of methyl bromide alternatives for the production of tomatoes in North Carolina

HortTechnology, 18(4), 705–713.

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Grafting to Manage Soilborne Diseases in Heirloom Tomato Production

HORTSCIENCE, 43(7), 2104–2111.

By: C. Rivard n & F. Louws n

author keywords: Ralstonia solanacearum; bacterial wilt; Fusarium oxysporum f.sp.; lycopersici; fusarium wilt; organic production
TL;DR: Grafting is an effective management tool for organic growers in the southeast United States to reduce risk of crop loss resulting from soilborne diseases and will be a valuable component in an integrated pest management program. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2008 journal article

Phytophthora bisheria sp. nov., a new species identified in isolates from the Rosaceous raspberry, rose and strawberry in three continents

Mycologia, 100(1), 99–110.

By: Z. Abad*, J. Abad*, M. Coffey*, P. Oudemans*, W. Man in ’t Veld, H. de Gruyter*, J. Cunnington, F. Louws n

TL;DR: The morphological characteristics and the phylogenetic relationships that support the description of this taxon as a new species Phytophthora bisheria sp. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: November 20, 2020

2008 journal article

Phytophthora bishetia sp nov., a new species identified in isolates from the Rosaceous raspberry, rose and strawberry in three continents

MYCOLOGIA, 100(1), 99–110.

By: Z. Abad*, J. Abad*, M. Coffey*, P. Oudemans*, W. Man*, H. Gruyter*, J. Cunnington, F. Louws n

author keywords: ITS; morphology; Oomycetes; pathogenicity; phylogenetics; Phytophthora; straminipiles; taxonomy
MeSH headings : Australia; DNA, Fungal / genetics; DNA, Ribosomal / genetics; DNA, Ribosomal Spacer / genetics; Fragaria / microbiology; Molecular Sequence Data; Netherlands; Phylogeny; Phytophthora / classification; Phytophthora / cytology; Phytophthora / genetics; Phytophthora / isolation & purification; Plant Diseases / microbiology; Plant Roots / microbiology; Rosa / microbiology; Rosaceae / microbiology; Sequence Analysis, DNA; Spores, Fungal / cytology; United States
TL;DR: The morphological characteristics and the phylogenetic relationships that support the description of this taxon as a new species Phytophthora bisheria sp. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Strawberry Growth and Productivity in Fumigated Compared to Compost-amended Production Systems

HortScience, 42(2), 227–231.

By: L. Leandro n, L. Ferguson n, F. Louws n & G. Fernandez n

author keywords: Fragaria xananassa; plug transplants; biocontrol; choloropicrin; plasticulture; fumigation alternatives; Trichoderma
TL;DR: The task remains to develop a reliable and sustainable strawberry production system that does not rely on chemical fumigants and Trichoderma amendments alone or in combination with compost had no benefit to strawberry plant growth in the field. (via Semantic Scholar)
Sources: ORCID, NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2006 journal article

Classification and identification of Xanthomonas translucens isolates, including those pathogenic to ornamental asparagus

PHYTOPATHOLOGY, 96(8), 876–884.

By: J. Rademaker, D. Norman, R. Forster, F. Louws*, A. Schultz & F. Bruijn

TL;DR: All 33 novel isolates from ornamental asparagus (tree fern; Asparagus virgatus) were identified as X. translucens pv. (via Semantic Scholar)
UN Sustainable Development Goal Categories
16. Peace, Justice and Strong Institutions (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Development and evaluation of PCR-based diagnostic assays for the bacterial speck and bacterial spot pathogens of tomato

PLANT DISEASE, 90(4), 451–458.

By: D. Cuppels*, F. Louws n & T. Ainsworth*

author keywords: coronatine; rep-PCR; Xanthomonas gardneri
TL;DR: In a 6-year study, the COR1/2 PCR assay diverged from the culture-based classical assay for only 3 of 70 bacterial speck lesion samples collected from Ontario greenhouses and tomato fields; the BSX 1/2 assay was positive for 112 of the 124 confirmed bacterial spot lesions sampled. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2006 journal article

Development and evaluation of PCR-based diagnostic assays for the bacterial speck and bacterial spot pathogens of tomato (vol 90, pg 451, 2006)

Plant Disease. https://publons.com/wos-op/publon/56007366/

Contributors: D. Cuppels, F. Louws & T. Ainsworth

Source: ORCID
Added: February 1, 2023

2006 journal article

Economic evaluation of methyl bromide alternatives for the production of strawberries in the southeastern United States

HortTechnology, 16(1), 118–128.

By: O. Sydorovych, C. Safley, L. Ferguson, E. Poling, G. Fernandez, P. Brannen, D. Monks, F. Louws

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

INFLUENCE OF COMPOST ON VEGETABLE CROP NUTRIENT MANAGEMENT

HortScience, 41(3), 508A–508.

By: D. Sanders n, L. Reyes n, D. Monks n, K. Jennings n, F. Louws n & J. Driver n

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: ORCID
Added: March 16, 2020

2006 journal article

INFLUENCE OF COMPOST ON VEGETABLE CROP NUTRIENT MANAGEMENT

HortScience, 41(3), 509C–509.

By: D. Sanders n, L. Reyes n, D. Monks n, K. Jennings n, F. Louws n & J. Driver n

UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: ORCID
Added: March 16, 2020

2006 journal article

Population dynamics of Trichoderma in fumigated and compost-amended soil and on strawberry roots

APPLIED SOIL ECOLOGY, 35(1), 237–246.

By: L. Leandro*, T. Guzman*, L. Ferguson*, G. Fernandez n & F. Louws*

author keywords: microbial ecology; biocontrol; T hamatum T382; T harzianum T22; fumigation; rhizosphere
TL;DR: It is shown that compost may be used as a substrate to establish and promote survival of Trichoderma in field soil, and how soil manipulation can affect population dynamics of indigenous Trichodma spp. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2005 journal article

A Comprehensive Species to Strain Taxonomic Framework forXanthomonas

Phytopathology, 95(9), 1098–1111.

By: J. Rademaker, F. Louws*, M. Schultz, U. Rossbach, L. Vauterin, J. Swings, F. Bruijn

author keywords: X. albilineans; X. bromi; X. cassavae; X. codiaei; X. cucurbitae; X. fragariae; X. hyacinthi; X. melonis; X. pisi; X. populi; X. sacchari; X. theicola; X. vasicola; X. vesicatoria
TL;DR: Over 160 strains not previously characterized by DNA-DNA hybridization analysis, or not previously classified, were assigned to specific genospecies based on the classification framework developed that refines the current Xanthomonas classification scheme. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Source: ORCID
Added: March 16, 2020

2005 journal article

Biological control of bacterial spot of tomato under field conditions at several locations in North America

BIOLOGICAL CONTROL, 32(3), 408–418.

By: J. Byrne*, A. Dianese*, P. Ji*, H. Campbell*, D. Cuppels*, F. Louws n, S. Miller*, J. Jones*, M. Wilson*

author keywords: Pseudomonas fluorescens; Pseudomonas putida; Pseudomonas syringae; Xanthomonas campestris pv. vesicatoria; Xanthomonas vesicatoria; bacterial spot; biological control; BlightBan A506; tomato; Lycopersicon esculentum
TL;DR: Neither the bacterial strains nor the standard copper bactericides consistently reduced disease incidence on fruit. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 journal article

Pathogenic and genetic relatedness among Xanthomonas axonopodis pv. allii and other pathovars of X-axonopodis

PHYTOPATHOLOGY, 95(8), 918–925.

By: D. Gent*, A. Al-Saadi*, D. Gabriel*, F. Louws n, C. Ishimaru* & H. Schwartz*

author keywords: Allium cepa; citrus canker; Citrus aurantifolia; C. paradisi; Xanthomonas campestris pv. allii; X. campestris pv. citri E
TL;DR: Genomic fingerprinting by repetitive sequence- based polymerase chain reaction demonstrated that X. allii, alfalfae, and citrumelo are distinct from other Xanthomonas species and X. axonopodis pathovars, but these pathovar were indistinguishable from each other. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2005 journal article

Responses of soil microbial biomass and N availability to transition strategies from conventional to organic farming systems

AGRICULTURE ECOSYSTEMS & ENVIRONMENT, 113(1-4), 206–215.

By: C. Tu n, F. Louws n, N. Creamer n, J. Mueller n, C. Brownie n, K. Fager n, M. Bell n, S. Hu n

author keywords: conventional farming system; microbial biomass; nitrogen supply; organic farming system; reduced-input transition strategy
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science; OpenAlex)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2005 journal article

Responses of soil microbial community structure and diversity to agricultural deintensification

Pedosphere, 15(4), 440–447.

By: W. Zhang, W. Rui, C. Tu, H. Diab, F. Louws, J. Mueller, N. Creamer, M. Bell, M. Wagger, S. Hu

Source: NC State University Libraries
Added: August 6, 2018

2005 journal article

Use of Compost as an Alternative to Methyl Bromide for Vegetables

HortScience, 40(4), 1110E–1111.

By: D. Sanders n, L. Reyes n, D. Monks n, F. Louws n & J. Driver n

Source: ORCID
Added: March 16, 2020

2004 journal article

Evaluation of Trichoderma strains as biocontrol tools for integrated management of strawberry root rot

Proceedings of a Meeting of the WGs : Management of Plant Diseases and Arthropod Pests by BCAs and Their Integration in Agriculture Systems at S. Michele All'Adige, Trentino, Italy, 9-13 June 2004.

By: L. Leandro, L. Ferguson, G. Fernandez & F. Louws

Ed(s): I. Y. Elad & A. Enkegaard

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Plant development and harvest yields of greenhouse tomatoes in six organic growing systems

HortScience, 39(2), 223–229.

By: J. Rippy, M. Peet, F. Louws, P. Nelson, D. Orr & K. Sorensen

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Polyphasic characterization of Xanthomonas strains from onion

PHYTOPATHOLOGY, 94(2), 184–195.

By: D. Gent*, H. Schwartz*, C. Ishimaru*, F. Louws n, R. Cramer* & C. Lawrence*

author keywords: Allium cepa; Allium fistulosum; Capsicum annuum; Phaseolus vulgaris
TL;DR: Based on pathogenicity to onion, carbon substrate utilization, fatty acid profiles, rDNA genetic diversity, and genomic fingerprints, it is concluded that the strains examined in this study are pathovar X. axonopodis pv. (via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2002 journal article

Development and implementation of a long-term agricultural systems study: Challenges and opportunities

HortTechnology, 12(3), 362–368.

By: J. Mueller, M. Barbercheck, M. Bell, C. Brownie, N. Creamer, A. Hitt, S. Hu, L. King ...

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

Strawberry plant growth parameters and yield among transplants of different types and from different geographic sources, grown in a plasticulture system

HortTechnology, 12(1), 100–103.

By: L. Butler, G. Fernandez & F. Louws

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Can simultaneous inhibition of seedling growth and stimulation of rhizosphere bacterial populations provide evidence for phytotoxin transfer from plant residues in the bulk soil to the rhizosphere of sensitive species?

JOURNAL OF CHEMICAL ECOLOGY, 27(4), 807–829.

By: K. Staman, U. Blum*, F. Louws n & D. Robertson

author keywords: allelopathy; bulk-soil and rhizosphere bacteria; Cucumis sativus; Helianthus annuus; Triticum aestivum; Amaranthus retroflexus; phenolic acid mixtures; chlorogenic acid; phytotoxicity
MeSH headings : Amaranthus / chemistry; Amaranthus / physiology; Bacteria; Cucumis sativus / chemistry; Helianthus / chemistry; Phenols / pharmacology; Plant Development; Plant Extracts / pharmacology; Plant Roots / microbiology; Population Dynamics; Soil Microbiology; Triticum / chemistry; Triticum / physiology
TL;DR: It was possible to observe simultaneous inhibition of cucumber seedlings and stimulation of phenolic acid utilizing rhizosphere bacteria, and therefore provide indirect evidence of Phenolic acid transfer from plant residues in the soil to the root surface, which may be useful for phytotoxins that are more unique than phenolic acids. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 journal article

Field control of bacterial spot and bacterial speck of tomato using a plant activator

PLANT DISEASE, 85(5), 481–488.

By: F. Louws n, M. Wilson*, H. Campbell*, D. Cuppels*, J. Jones, P. Shoemaker n, F. Sahin*, S. Miller*

author keywords: bion; copper hydroxide; induced resistance; Xanthomonas campestris pv. vesicatoria; Xanthomonas vesicatoria
TL;DR: Tomato yield was not affected by using the plant activator in the field when complemented with fungicides to manage foliar fungal diseases, but tomato transplant dry weight was negatively impacted and population densities on greenhouse-grown tomato transplants were reduced by acibenzolar-S-methyl treatment. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 article

Genetic Diversity of Selected Bacterial Populations in North Carolina

Plant Pathogenic Bacteria, pp. 124–127.

By: F. Louws n, D. Ritchie n & P. Shoemaker n

TL;DR: The objective was to characterize strains representative of these pathogens and to compare and contrast the genetic diversity and structure of the bacterial populations and to appraise implications for disease management strategies. (via Semantic Scholar)
Source: ORCID
Added: March 16, 2020

2001 journal article

Strawberry Growth and Development in an Annual Plasticulture System

HortScience, 36(7), 1219–1223.

By: G. Fernandez n, L. Butler n & F. Louws n

author keywords: Fragaria xananassa; phonology; growth analysis; plastic mulch
TL;DR: The growth and development of three strawberry cultivars commonly grown in a plasticulture system were documented and Cultivars of California origin, 'Chandler' and 'Camarosa', displayed similar trends in yield, dry matter production, seasonal resource allocation, and growth analysis variables throughout the season. (via Semantic Scholar)
Sources: ORCID, NC State University Libraries, Crossref, NC State University Libraries
Added: August 6, 2018

2000 journal article

A Training Series for Cooperative Extension Agents on Organic Farming Systems

HortTechnology, 10(4), 675–681.

By: N. Creamer, K. Baldwin & F. Louws*

Source: ORCID
Added: March 16, 2020

2000 journal article

Comparison of AFLP and rep-PCR genomic fingerprinting with DNA-DNA homology studies: Xanthomonas as a model system

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 50(2000 Mar.), 665–677.

By: J. Rademaker, B. Hoste, F. Louws n, K. Kersters*, J. Swings*, L. Vauterin*, P. Vauterin*, F. Bruijn*

author keywords: rep-PCR; AFLP; Xanthomonas; DNA-DNA homology studies; molecular phylogeny
MeSH headings : Bacterial Typing Techniques; Cluster Analysis; DNA Fingerprinting; Genome, Bacterial; Nucleic Acid Hybridization; Phylogeny; Plant Diseases / microbiology; Polymerase Chain Reaction / methods; Polymorphism, Restriction Fragment Length; Regression Analysis; Sequence Homology, Nucleic Acid; Xanthomonas / classification; Xanthomonas / genetics
TL;DR: It is proposed that genomic fingerprinting techniques such as rep-PCR and AFLP can be used as rapid, highly discriminatory screening techniques to determine the taxonomic diversity and phylogenetic structure of bacterial populations. (via Semantic Scholar)
UN Sustainable Development Goal Categories
10. Reduced Inequalities (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 journal article

642 A Training Series in Organic Farming Systems

HortScience, 34(3), 558C–558.

By: N. Creamer*, K. Baldwin & F. Louws*

TL;DR: These trends point to the need for the land-grant university system to provide research-based information, applied research, and Extension programming to support organic growers and organic farming enterprises. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: ORCID
Added: March 16, 2020

1999 journal article

Identification of bacterial rep-PCR genomic fingerprints using a backpropagation neural network

FEMS Microbiology Letters, 177(2), 249–256.

By: F. Tuang*, J. Rademaker*, E. Alocilja*, F. Louws* & F. Bruijn*

TL;DR: A backpropagation neural network (BPN) was used to identify bacterial plant pathogens based on their genomic fingerprints and the rejection rate was 100%, using the three BPN classifiers combined. (via Semantic Scholar)
Source: ORCID
Added: March 16, 2020

1999 journal article

Multiphasic analysis of xanthomonads causing bacterial spot disease on tomato and pepper in the Caribbean and Central America: Evidence for common lineages within and between countries

PHYTOPATHOLOGY, 89(4), 328–335.

By: H. Bouzar, J. Jones, R. Stall, F. Louws*, M. Schneider, J. Rademaker, F. Bruijn, L. Jackson

TL;DR: Little linkage was found among phenotypic and rep-polymerase chain reaction (rep-PCR) genomic fingerprinting profiles of the pathogens except at the species/pathovar level; strains displaying virtually identical fingerprint profiles were found to correspond to distinct races and vice versa. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 report

Phytophthora blight of peppers and cucurbits

In Vegetable disease information note, Jan. 1999.

By: F. Louws, G. Holmes & J. Ristaino

Source: NC State University Libraries
Added: August 6, 2018

1999 review

The three Ds of PCR-based genomic analysis of phytobacteria: Diversity, detection, and disease diagnosis

[Review of ]. ANNUAL REVIEW OF PHYTOPATHOLOGY, 37(1), 81–125.

By: F. Louws n, J. Rademaker n & F. Bruijn n

author keywords: population structure; polymerase chain reaction; genomic fingerprinting; informatics; disease management; phylogeny
TL;DR: Genetic diversity maps provide a framework to understand the taxonomy, population structure, and dynamics of phytobacteria and provide a high-resolution framework to devise sensitive, specific, and rapid methods for pathogen detection, plant disease diagnosis, as well as management of disease risk. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

1998 journal article

Phenological Aspects of Strawberry Growth Influencing Gray Mold Development in Annual Systems

HortScience, 33(3), 538c–538.

By: L. Carver, G. Fernandez & F. Louws*

Source: ORCID
Added: March 16, 2020

1996 journal article

Impact of Reduced Fungicide and Tillage on Foliar Blight, Fruit Rot, and Yield of Processing Tomatoes

Plant Disease, 80(11), 1251.

By: F. Louws*

TL;DR: Conservation tillage practices, soil-surface residue maintenance, and reduced fungicide input were integrated without compromising yield and management of disease, affording advantages of sustained farmland productivity. (via Semantic Scholar)
Source: ORCID
Added: March 16, 2020

1995 journal article

Differentiation of Genomic Structure by rep-PCR Fingerprinting to Rapidly ClassifyXanthomonas campestrispv.vesicatoria

Phytopathology, 85(5), 528.

By: F. Louws*

author keywords: BACTERIAL SPOT; GENETIC DIVERSITY; INTEGRATED DISEASE MANAGEMENT; POPULATION STRUCTURE; STRAIN IDENTIFICATION
TL;DR: Interestingly, based on rep-PCR genomic fingerprint patterns, two of the nongroup A/B strains shared numerous bands of similar mobility with strains pathogenic for cabbage, classified as X. pv. (via Semantic Scholar)
Source: ORCID
Added: March 16, 2020

Employment

Updated: December 4th, 2019 19:20

2018 - present

North Carolina State University Raleigh, NC, US
Head Horticultural Science

1996 - present

North Carolina State University Raleigh, North Carolina, US
Professor Plant Pathology

2011 - 2018

North Carolina State University Raleigh, NC, US
Director Center for Integrated Pest Management

Education

Updated: February 3rd, 2020 13:37

1993 - 1996

Michigan State University East Lansing, Michigan, US
Postdoctoral Fellow Center for Microbial Ecology/ Department of Energy

1989 - 1993

Michigan State University East Lansing, Michigan, US
PhD Plant Pathology

1985 - 1987

University of Guelph Guelph, ON, CA
M.Sc Environmental Biology (Plant Pathology)

1984 - 1986

University of Guelph Guelph, ON, CA
B.Sc Horticulture

Funding History

Funding history based on the linked ORCID record. Updated: August 19th, 2023 22:57

award
Agricultural Research and Extension
Multiple

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