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    • Cucumber Disease Management
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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.

North Florida to Feature More Late-Season Watermelons | VSCNews

April 26, 2021May 21, 2021 cuccap Cucurbit Crop & Disease Management Resources

According to a North Florida watermelon grower, this year’s supply will be later than normal. Increased acerage in North Florida may affect the mid-summer market in South Georgia.

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April 2021 Watermelon industry news | VSC News

April 21, 2021August 27, 2024 cuccap Cucurbit Crop & Disease Management Resources

The Vegetable & Specialty Crops Newsletter is an online publication focusing on news for vegetable growers in the Southeast. The April edition includes news of interest to watermelon producers.

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Cucurbit Downy Mildew Forecasting Resumes for the 2021 growing season

March 27, 2021March 31, 2021 cuccap Cucurbit Crop & Disease Management Resources

The 2021 forecasting season began on March 17 including the first report of CDM reported in Collier County, Florida on March 1, 2021.

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Managing Fusarium Wilt Disease in Watermelons | VSCNews

March 26, 2021August 27, 2024 cuccap Cucurbit Crop & Disease Management Resources

Growers can protect against Fusarium wilt disease by checking their seedlings for wilting symptoms before transplanting, monitoring plants in the field, and timing fungicide applications.

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2020 Cucurbit Cultigen Evaluations

March 8, 2021October 6, 2021 cuccap CucCAP Disease Management Team, Cucurbit Crop & Disease Management Resources

In 2020, the Schultheis lab at NC State conducted cucurbit cultigen evaluations on Squash.

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Virus Diseases of Cucurbits | Cornell Vegetables

February 28, 2021September 26, 2023 cuccap Cucurbit Crop & Disease Management Resources

Viruses are among the more common causes of diseases affecting cucurbits in New York. These diseases result in losses through reduction in growth and yield and are responsible for distortion and mottling of fruit, making the product unmarketable.

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2021 South Florida Melons Progress

February 2, 2021August 19, 2022 cuccap Cucurbit Crop & Disease Management Resources

A Florida watermelon producer discusses adverse weather conditions that can increase the crop’s susceptibility to disease.

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Winter Squash: background, diversity and breeding

February 2, 2021January 22, 2024 cuccap CucCAP Squash Team, Cucurbit Crop & Disease Management Resources

Cornell squash breeder and CucCAP Squash Team leader, Michael Mazarouek discusses the history of breeding winter squash.

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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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