TNAU Agritech Portal :: Crop Protection

Crop Protection :: Pest of medicinal yam

Red spider mite: Tetranychus sp
Symptoms of damage

Red spider mites are found to infest laminary base adjoining petiole
Development of necrotic areas on the upper surface of the leaf lamina
Feeding injury predisposes the plant for fungal infection in D. floribunda and D. composita.

Identification of the pest

Nymphs and adults are red in colour.
Eggs are laid on the ventral surface of the leaves and are whitish, spherical in shape

Management

Nymph