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Table 3 Effects of gamma irradiation of S. cerealella eggs (different rates) on T. evanescens parasitism, emergence rate and sex-ratio (F1 generation)

From: Cold storage and gamma irradiation of Sitotroga cerealella Olivier eggs (Lepidoptera: Gelechiidae) in relation to the success of parasitism by Trichogramma evanescens Westwood (Hymenoptera: Trichogrammatidae)

Dose (Gy)No. of exposed eggs (mean ± S.E)% of parasitism% of emergence% sex- ratio (female)
Control6123.3 ± 0.3396.80 ± 0.06a98.0 ± 0.07a94.00 ± 0.33a
40 GY5511.7 ± 0.8896.70 ± 0.52a97.5 ± 0.07a92.33 ± 0.33a
60 GY4897.7 ± 0.3396.10 ± 0.37a97.20 ± 0.62a85.30 ± 0.58ab
80 GY4797.3 ± 0.6795.90 ± 0.58a97.13 ± 0.62a84.6 ± 0.57ab
100 GY4285.0 ± 0.1095.24 ± 0.95a96.57 ± 0.57a81.67 ± 0.58b
P 0.2919ns0.5172ns0.0115
F1.436080.8650785.74014
df141414
  1. a, b, & c: There is no significant difference (P > 0.05) between any two means, within the same column have the same superscript letter.