Plant Diagnosis

Powdery Mildew of cucurbita Critical

White powder on leaves/stems caused by Erysiphe, Oidium, Sphaerotheca spp during March–June, September–November.

Description

Powdery mildew is a widespread fungal disease affecting a broad range of crops, including cucurbits, grapes, legumes, and ornamentals. Caused by various species such as Erysiphe, Oidium, and Sphaerotheca, it is characterized by white, powdery fungal growth on leaf surfaces, stems, and sometimes fruits. It thrives in warm, dry environments with high humidity at night. Infected plants show reduced vigor, yellowing, distorted growth, and poor fruit development.

Symptoms

• White powdery growth, leaf curling/yellowing