Nuclear polyhedrosis virus (NPV) is the most effective for control of

Nuclear polyhedrosis virus (NPV) is the most effective for the control of Helicoverpa armigera.
NPV is the preferred product for Helicoverpa management, not only because it is effective but because it preserves the full range of beneficial insects in the crop.
The nuclear polyhedrosis virus (NPV), part of the family of baculoviruses, is a virus affecting insects, predominantly moths and butterflies. It has been used as a pesticide.