Department of Agril. Entomology, T.N.A.U. Coimbatore - 641 003, India. E-mail: <agrielas_ento@sify.com>.
The results showed that integration of Beauveria bassiana and Nomuraea rileyi with HaNPV, Bt var. kurstaki and Heterorhabditis indica caused the maximum mortality of 95.0 and 91.0%, respectively against second instar larvae of Helicoverpa armigera which was significantly superior to individual effect. The resultant effect was sub-additive synergism.
Beauveria bassiana, Nomuraea rileyi, Btk, Heterorhabditis indica, Helicoverpa armigera