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  • Crop & Disease management
    • Cucumber Disease Management
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    • Development of Genomic Tools for Cucurbit Species
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CucCAP Project

Contributions to the CucCAP project by the Bioinformatics Team, Cucurbit Crop Breeding Teams, and the Integrated Disease Management Team.

CucCAP team sequences pumpkins

October 30, 2017February 13, 2024 cuccap CucCAP Genomics & Bioinformatics Team

CucCAP researchers at Boyce Thompson Institiute sequenced the two different pumpkin species to better understand their contrasting desirable traits.

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Manejo de Phytophthora en calabaza de invierno y en calabaza

October 27, 2017August 8, 2024 cuccap CucCAP Disease Management Team, CucCAP Squash Team, CucCAP Team Crop and Disease Management Resources

Managing Phytophthora on Winter Squash and Pumpkin, the English version of this factsheet, is available on the Hausbeck Lab website.

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2017 Pumpkin Variety Trials | North Carolina Cooperative Extension

October 26, 2017August 8, 2024 cuccap CucCAP Disease Management Team, CucCAP Team Crop and Disease Management Resources

CucCAP Extension specialists evaluated pumpkin and squash varieties for a variety of traits including disease susceptibility. Source: 2017 Pumpkin Variety Trials | North Carolina Cooperative Extension

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MSU Veggie Pathology team cucumber harvest video

October 22, 2017March 15, 2019 cuccap CucCAP Cucumber Team

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CucCAP Annual Progress Report Sept. 2017

September 25, 2017February 16, 2018 cuccap CucCAP Project

The PI reports project progress on the CucCAP grant to the USDA National Institute of Food and Agriculture annually. Accession No. 1007605 Grant No. 2015-51181-24285 Project No. MICL05092 Proposal No. 2015-09260 Program CodeSCRI Project Start Date Sep 1, 2015 Project End Date Aug 31, 2019

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CucCAP Bioinformatics team | comparative genomic analysis identifies relationships between bottle gourd and other cucurbits

September 23, 2017September 29, 2023 cuccap CucCAP Project

Bottle gourd (Lagenaria siceraria) is an important vegetable crop as well as a rootstock for other cucurbit crops.

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Karyotype Stability and Unbiased Fractionation in the Paleo-Allotetraploid Cucurbita Genomes: Molecular Plant

September 14, 2017March 5, 2024 cuccap CucCAP Genomics & Bioinformatics Team

Analyses of high-quality genome sequences of Cucurbita maxima and C. moschata revealan ancient allotetraploidy event in Cucurbita.

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Agricultural Research Service presents watermelon disease resistance research to the US Secretary of Agriculture

September 14, 2017July 2, 2024 cuccap CucCAP Project, CucCAP Watermelon Team

Secretary of Agriculture, Dr. Sonny Perdu visited the USDA, ARS, U.S. Vegetable Laboratory in Charleston, SC on August 21st, 2017 and received explanations of watermelon projects funded by CucCAP.

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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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