Effectiveness of Some Biological and Chemical Fungicides to Control Powdery Mildew in Zucchini
Powdery mildew is one of the most devastating diseases affecting zucchini (Cucurbita pepo L.), leading to substantial economic losses by reducing plant vigor, yield, and fruit quality in open-field cultivation. The primary causal agents are Erysiphe cichoracearum and Podosphaera xanthii (syn. Sphaerotheca fuliginea) co...