CucCAP
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  • About
    • Project Overview
    • Meet the CucCAP Project Team
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  • Crop & Disease management
    • Cucumber Disease Management
    • Melon Disease Management
    • Squash Disease Management
    • Watermelon Disease Management
    • Integrated Disease Management
  • Breeding & Genomics
    • Development of Genomic Tools for Cucurbit Species
    • Cucurbit Genomics Database
    • Cucurbit Breeding
    • Breeding Cucumber for Disease Resistance
    • Breeding Melon for Disease Resistance
    • Breeding Squash for Disease Resistance
    • Breeding Watermelon for Disease Resistance
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    • Research Publications
    • Research Presentations
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Plant Disease Management Reports (PDMR)

PDMR is an annual publication of The American Phytopathological Society. The objective of PDMR is to facilitate the rapid dissemination and storage of information on chemical, biological and cultural control of plant diseases. Data published in PDMR is from replicated plots or observations. Published reports are considered to be progress reports of ongoing research.

Cucumber field trials 2023

August 25, 2023 cuccap CucCAP Disease Management Team

The Vegetable Pathology Lab at NC State conducts field trials each growing season to study plant pathogens, resistance of plant varieties to pathogens, and vegetable disease management strategies. When a field trial is harvested, the crop is weighed, graded, and evaluated for disease damage and marketability.

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PDMR 17 – Plant Disease Management Reports for Cucurbits

March 22, 2023March 23, 2023 cuccap CucCAP Disease Management Team

PDMR, Volume 17, 2023
Results of 2022, Published in 2023.
Plant Disease Management reports for cucumber, melon, pumpkin, and watermelon.

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PDMR 16 – Plant Disease Management Reports for Cucurbits

April 22, 2022March 23, 2023 cuccap Cucurbit Crop & Disease Management

PDMR, Volume 16, 2022
Results of 2021, Published in 2022.
Plant Disease Management reports for cucumbers and squash.

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PDMR 15 – Plant Disease Management Reports for Cucurbits

August 16, 2021March 23, 2023 cuccap CucCAP Disease Management Team, Cucurbit Crop & Disease Management

PDMR, Volume 15, 2021
Results of 2020, Published in 2021.
Plant Disease Management reports for cucumbers and squash.

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PDMR 14 – Plant Disease Management Reports for Cucurbits

October 16, 2020September 27, 2023 cuccap CucCAP Disease Management Team

PDMR, Volume 14, 2020
Results of 2019, Published in 2020.
Plant Disease Management reports for cucumbers and squash.Evaluations include control of Downy mildew on cucumber, Downy mildew on squash and Phytophthora fruit rot on squash.

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PDMR 13 – Plant Disease Management Reports for Cucurbits

March 16, 2019June 1, 2021 cuccap CucCAP Disease Management Team

Evaluations include control of downy mildew on cucumber and fusarium wilt on watermelon.

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PDMR 12 – Plant Disease Management Reports for Cucurbits

September 16, 2018June 1, 2021 cuccap CucCAP Disease Management Team

Evaluations of downy mildew, anthracnose, powdery mildew, and Phytophthora blight in cucurbits

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PDMR 11 – Plant Disease Management Reports for Cucurbits

March 16, 2017June 1, 2021 cuccap CucCAP Disease Management Team

Evaluation of Anthracnose, Downy mildew, Fusarium wilt, Powdery mildew, and Phytophthora fruit rot, of cucumber, squash, and watermelon

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CucCAP scientists find high prevalence of gummy stem blight resistance to common fungicides

Featured Article

The gummy stem blight fungus, Stagonosporopsis citrulli, is now resistant to fungicides in four chemical classes. The newest resistance is to fungicides in FRAC Code 3. Most isolates (94% of 251) collected from watermelon in South Carolina in 2019 and 2021 were moderately resistant to tebuconazole, a fungicide widely used on watermelon because it is available in low-cost generic products. Highly resistant isolates were cross-resistant to five other fungicides in the same chemical class as tebuconazole: tetraconazole, flutriafol, difenoconazole, prothioconazole, and the newly registered mefentrifluconazole. Currently, only 4% of the isolates are highly resistant, so growers are encouraged to limit use of tebuconazole to one early season application to avoid shifting the population from moderately resistant to resistant.

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Cucurbit Disease Management

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USDA National Institute of Food and Agriculture U.S. DEPARTMENT OF AGRICULTURE

The Cucurbit Coordinated Agricultural Project (CucCAP) is a USDA-National Institute of Food and Agriculture Specialty Crop Research Initiative grant under award number
2020-51181-32139.

Cooperating Institutions:

Boyce Thompson Institute; Cornell University; Michigan State University; North Carolina State University; Clemson University; University of Puerto Rico; University of Wisconsin; University of Florida; University of Georgia; West Virginia State University; U.S. Department of Agriculture, Agricultural Research Service

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