*All India Co-ordinated Sorghum Improvement Project, Dharwad, Karnataka - 580005
**Department of Agril. Entomology, University of Agricultural Sciences, Dharwad - 580005
Online published on 12 August, 2013.
Sorghum varieties CSV-15 and DSV-6 recorded least number of larvae (3.66/ear head). Treatment with malathion 5D recorded reduction in larval population in cultivars DSV-6 and CSH-14. On an average 85.2% larval population was reduced due to the application of malathion.
Helicoverpa armigera, Sorghum cultivars, Malathion, larvae