highly significantp ≤ 0.0001
Results of three-way ANOVA showed that the difference in mortality was highly significant ( p ≤ 0.0001) for the main factors of the stage (adult ˃ larvae), dose (600-Gy ≈ 400-Gy ˃ 200-Gy), and exposure time (21-d = 14-d ˃ 7-d), and for all the interaction effects.