Cucurbita spp. Powdery Mildew Phytophthora Blight Virus Diseases Powdery Mildew Powdery mildew is a disease that affects all cucurbits and is important in squash. Resistance was introduced from the wild species, Cucurbita marintezii in C. moschata and C. pepo. The resistance gene, Pm-0, is a single incompletely dominant gene that is commonly deployed in the […]
