

















Sorghum production is affected by a wide array of biotic constraints, of which sorghum shootf ly, Atherigona soccata is the most important pest, which severely damages the sorghum crop during the seedlings stage. Host plant resistance is one of the major components to control sorghum shoot fly, Atherigona soccata. To understand the nature of gene action for inheritance of shoot fly resistance, we evaluated 10parents, 45F1’s and their reciprocals in replicated trials during the rainy and post rainy seasons. The genotypes ICSV700, Phule Anuradha, ICSV25019, PS35805, IS2123, IS2146, and IS18551 exhibited resistance to shoot fly damage across seasons. Crosses between susceptible parents were preferred for egg laying by the shoot fly females, resulting in a susceptible reaction. ICSV700, ICSV25019, PS35805, IS2123, IS2146, and IS18551 exhibited significant and negative general combining ability (gca) effects for oviposition, deadheart incidence, and overall resistance score.