Larval attack

White powdery growth

Leaf spot

Leaf yellow & black

White or creamy yellow spots on lower surface of leaves

Cupping & Curling of leaves

V-shaped greenish yellow lesions on leaves

Holes on leaves

Water soaked dull appearance

Water soaked dull appearance on curd & stem

Hollow stem and browning

Low plant growth

Improper vegetative development

Reduced size of leaves