Today crop pests have become a major concern for the farmers across the world. Helicoverpa armigera commonly known as Gram Pod-Borer is an economic important insect pest of gram crop, which was used to be treated with chemical insecticides. Due to misuse and overuse of these chemical insecticides, resistance is being developed in many insects resulting in increased survival rate of the insect pests. There is an urgent need for alternatives of these chemical insecticides. Bio- insecticides are eco-friendly insect/pest control which is obtained from naturally occurring substances (biochemicals), microbes and plants. Before developing a new insecticide, the scenario of H. armigera and its bio-control should be presented with the help of some prior studies. This paper describes the national and international research work based on the microbial pesticide/ insecticides against H. armigera.

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