TNAU Agritech Portal
Home | About Us | Success Stories | Farmers Association | Farmers' Innovation | Publications| Contact
Crop Protection :: Oil Seeds :: Pest of Mustard

Leaf webber: Crocidolomia binotalis


Symptoms of damage
:

  • Newly hatched larvae feed initially on the chlorophyll of young leaves and later on older leaves, buds and pods, make webbings and live within
  • Severely attacked plants are defoliated
  • Seeds in the pods are eaten away

Identification of the pest:

  • Larva: Pale yellowish-brown, with a series of lateral and sub-lateral black spots and specks
  • Adult: Moths are yellowish-brown. Forewings have reddish-brown distinct and in distinct wavy lines and prominent white spots. Nearer to the thorax with black tuft of hair. Hind wings are white with dark brown apical area

 Management:

  • Spray any one of the insecticides
    • phosalone 35 EC @2 ml/lit
    • fenvalerate 20 EC @0.5 ml/lit
Larva feeding
Adult

Home | About Us | Success Stories | Farmers Association | Publications | Contact Us

© 2015 TNAU. All Rights Reserved.