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    • Cucumber Disease Management
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McCreight Lab @ USDA-ARS

Research Leader for USDA-ARS Crop Improvement and Protection Research Program in Salinas, CA. Kaori Ando is a Research Geneticist in the Salinas Lab.

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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Melon Team | 2024 Progress Report

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

View all tables and figures in pages 37 – 40 of the pdf version of this report.

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Melon Team | 2023 Progress Report

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

View the 2023 CucCAP Melon Team Report in pages 35-48 of the PDF version of this report

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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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CucCAP Melon Team | Research Publications

April 25, 2023May 26, 2023 cuccap CucCAP Melon Team

The CucCAP Melon breeding, genomics, and pathology group published 11 journal articles and book chapters between September 2020 and April 2023.

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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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Cucurbit Genetics Cooperative Reports #44 & 45

June 14, 2022June 21, 2024 cuccap CucCAP Melon Team, CucCAP Project Partners

CucCAP scientist James D. McCreight is a contributor to the 2021 CGC report.

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2021 CucCAP Melon Team Publications and Presentations

March 28, 2022June 21, 2022 cuccap Cucurbit Crop & Disease Management Resources

Melon – Breeding, Genetics, Genomics, Pathology Publications and Presentations

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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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