Article
Extreme-phenotype genome-wide association study (XP-GWAS) of powdery mildew race 2 W tolerance in the USDA Citrullus germplasm collection.
Scientific reports - 8 Feb 2025
Branham Sandra E, Ganaparthi Venkata Rao, Wechter W Patrick, Park Younghoon, Wehner Todd, Davis Angela, Tetteh Antonia, Massey Laura, Hammar Sue, Grumet Rebecca, Kousik Shaker, Levi Amnon
Abstract excerpt
Powdery mildew outbreaks, caused by Podosphaera xanthii, cause reduced watermelon yields as the plants produce fewer and smaller fruits due to premature leaf senescence. The reduced leaf canopy can decrease fruit quality due to sun scalding. Sources of powdery mildew tolerance were previously identified by screening the USDA Citrullus germplasm collection with P. xanthii races 1 W and 2 W. However, not all gene...
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