Department of Entomology, C.S. Azad University of Agriculture & Technology, Kanpur - 206 002, Uttar Pradesh, India
* Corresponding author's Email: aneerja@hotmail.com
Studies on biorational approach in the management of Helicoverpa armigera (Hubner) indicated that on the basis of cost-benefit ratio (CBR) the most economic chemical insecticide was found to be monocrotophos (1:60.74) but NSKE (5%) recorded a maximum CBR of 1:28 among biorationals.
