Fig. 4From: Impact of simultaneous treatment of gamma irradiation and Bacillus thuringiensis on cotton leaf worm Spodoptera littoralis (Boisd.) (Noctuidae: Lepidoptera)Sex ratio of Spodoptera littoralis F1 progeny resulting from irradiated P1 pupae (a), treated with Bta concentrations as larvae (b) and simultaneous treatments of Bta concentrations and gamma radiation doses (c)Back to article page