Brown spotting

Cupping & Curling of leaves

Red rusty spots on leaves

Larval attack

Yellowing & wilting

Black sooty mould on upper side of lower leaves.

Pale yellowing of leaves

White powdery growth

Yellowing & curling of leaf

Yellowing & curling of leaves

White powdery growth

Stunted plant & knotted roots

Mottling and webbing

Yellowing and stunted growth

Low flowering

Vegetative development

Low flowering

Low growth

Improper vegetative development

Yellowing of younger leaves