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    • Cucumber Disease Management
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Mazourek Lab @ Cornell CALS

Genomics and Bioinformatics Team | 2024 Progress Report

April 19, 2024August 7, 2024 cuccap CucCAP Genomics & Bioinformatics Team

View the Genomics Team progress report including all tables and figures in pages 12 – 19 of the pdf version of this report.

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Squash Team | 2024 Progress Report

April 19, 2024August 7, 2024 cuccap CucCAP Squash Team

View the 2024 Squash Report including all tables and figures in pages 53 – 64 of the pdf version of this report.

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Early Career Scientist Spotlight | Gregory Inzinna

October 17, 2023October 17, 2023 cuccap CucCAP Squash Team

Gregory Inzinna hopes to identify resistance genes in Cucurbita and provide the seed and vegetable industry with resistant breeding lines and markers they can use in their work.

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Genomics and Bioinformatics Team | 2023 Progress Report

June 10, 2023August 7, 2024 cuccap CucCAP Genomics & Bioinformatics Team

View all tables and figures in pages 16 – 20 of the pdf version of this report.

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Squash Team | 2023 Progress Report

June 10, 2023August 7, 2024 cuccap CucCAP Squash Team

View all tables and figures in pages 49 – 61 of the pdf version of this report.

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CucCAP Squash Team | Research Publications

April 25, 2023May 25, 2023 cuccap CucCAP Squash Team

The CucCAP squash team published 6 journal articles in 2022 & 2023, 7 journal articles in 2021, and 5 journal articles in 2020.

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CucCAP Bioinformatics Team | Research Publications

April 25, 2023May 26, 2023 cuccap Cucurbit Crop & Disease Management Resources

The CucCAP Bioinformatics published eight publications in research journals from 2020 to2023.

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CucCAP scientists genetically characterize the USDA germplasm collections for squashes and pumpkins

April 5, 2023April 5, 2023 cuccap CucCAP Squash Team, Featured Articles

This article presents the analysis of genotype data generated through genotyping-by-sequencing of the USDA germplasm collections of Cucurbita pepo, C. moschata, and C. maxima.

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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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