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Cucurbit Crop & Disease Management Resources

Plant Disease clinics in the USA, Cucurbit disease forecasters, Field & Variety Trials, Cucurbit Variety Trials, Pest Management, Cucurbit Production manuals & handbooks, Disease diagnosis, Disease outbreaks, Extension news, and Cucurbit Grower news.

Watermelons | Clemson Factsheets

February 3, 2023April 29, 2024 cuccap Cucurbit Crop & Disease Management Resources

WATERMELONS
Factsheet | HGIC 1325 | Updated: Feb 3, 2023 |

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Summer Squash | Clemson Factsheets

February 3, 2023April 29, 2024 cuccap Cucurbit Crop & Disease Management Resources

SUMMER SQUASH
Factsheet | HGIC 1321 | Updated: Feb 3, 2023 |

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Whiteflys infesting watermelon and squash

February 1, 2023February 1, 2023 cuccap Cucurbit Crop & Disease Management Resources

According to the Southe Florida Pest and Disease Hotline, whitefly levels are high in many crops including watermelon and squash.

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2023 Vegetable Production Handbooks and Manuals

January 25, 2023October 13, 2023 cuccap Cucurbit Crop & Disease Management Resources

Land Grant University researchers and Cooperative Extension Specialists collaborate to provide these valuable resources for the vegetable industry. These manuals are updated annually.

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Growing Cucumbers | Clemson Factsheets

January 23, 2023April 29, 2024 cuccap Cucurbit Crop & Disease Management Resources

CUCUMBER
Factsheet | HGIC 1309 | Updated: Jan 23, 2023

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Cantaloupe & Honeydew Melons | Clemson Factsheets

January 23, 2023April 29, 2024 cuccap Cucurbit Crop & Disease Management Resources

CANTALOUPE & HONEYDEW MELONS
Factsheet | HGIC 1304 | Updated: Jan 23, 2023

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UF | IFAS Commercial Vegetable Production Website

January 19, 2023January 24, 2023 cuccap CucCAP Project Partners, Cucurbit Crop & Disease Management Resources

Visit the new commercial vegetable production website to view links to previous Pest and Disease Hotlines, upcoming and recorded South Florida Vegetable Growers’ Meetings, and upcoming Pesticide Classes.

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South Florida Vegetable Crop report

January 13, 2023September 29, 2023 cuccap Cucurbit Crop & Disease Management Resources

The South Florida Pest and Disease hotline reported on vegetable pests and diseases in January 2023.

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Featured Article

CucCAP scientists identify markers for powdery mildew resistance in watermelon

Powdery mildew outbreaks, caused by Podosphaera xanthii, cause reduced yields and fruit quality in watermelon. CucCAP scientists at Clemson University and the USDA Vegetable Laboratory Charleston SC employed a bulked segregant analysis approach using data from 1147 accessions from the USDA Citrullus germplasm collection to perform an extreme-phenotype genome-wide association study (XP-GWAS) of tolerance to P. xanthii race 2W. Kompetitive Allele-Specific PCR (KASP) markers were designed for significant SNPs associated with reduced disease. The best marker in each region explained 21-31% of the variation in powdery mildew tolerance.

For further reading:

Branham et al., 2025. Extreme-phenotype genome-wide association study (XP-GWAS) of powdery mildew race 2 W tolerance in the USDA Citrullus germplasm collection. Scientific Reports. DOI10.1038/s41598-025-89445-8

 

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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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