Preparation of NPV Virus solution

Virus effected larvae can be observed in the field. Collect 400 dead larvae grind the dead larvae. Filter the solution through thin cloth Add 100 grams of detergent in 100 liters of water. Spray the solution in the evening

Pests to be controlled:  Helicoverpa, Spodeptera and Redhairy caterpiller

How it works:  Pests affected by NPV will die. The pests affected by NPV will die in a reverse direction (head looking downwards). Collect these insects and grind them. This mixture will consist of NPV. Spraying of this mixture on crops will spread the virus among the pests. In this way the virus will spread. This solution can be sprayed 1-2 times in crop period, based on the intensity of pest incidence. Select the proper Virus.