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Helicoverpa armigera generally considered to be the most important species commonly known as cotton bollworm, gram pod borer, tobacco budworm due to its feeding habit on different plant parts in various region of the world. Organophosphate are the esters of alcohols with phosphoric acid with some other acids .They are highly active with bio-degradable compounds viz. can be used in field at lower doses. The systemic approach for generating complete information on spread and intensity of resistance in each case, crop resistance pattern, mechanism and management of resistance is normally...

Pigeonpea (Cajanus cajan (L.) Millsp.) is one of the most important legume crop of the tropics and subtropics of Asia and Africa. India is the world's largest producer and consumer of pulses including pigeonpea. About 90 per cent of the global pigeonpea area (4.9 million ha.) is in India contributing to 93 per cent of the global production. The pigeonpea Cajanus cajan (Linn.)] crop is found to be badly affected by pod borer complex and is becoming a serious problem. The pod borer complex are responsible to cause direct damage to pods and grains resulting into, not only the grain yield loss...