Comparison of a powdery mildew resistant line to a susceptible line. Image provided by Amnon Levi, USDA-ARS
Comparison of a U.S. Vegetable Laboratory developed powdery mildew resistant germplasm (USVL531-MDR) on left compared to a highly susceptible line USVL677-PMS on the right. Image provided by Amnon Levi, USDA-ARS.
