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Egyptian Journal of Biological Pest Control

Table 1 Concentration-mortality response of neonate Spodoptera littoralis larvae resulted from mated females with irradiated males as pupae followed by SpliNPV treatments

From: Effect of gamma irradiation on the susceptibility of the cotton leaf worm, Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae) to the infection with nucleopolyhedrosis virus

SpliNPV

1 × 103

5 × 103

1 × 104

5 × 104

1 × 105

5 × 105

1 × 106

PIB/ml

Dose (Gy)

0

18.12a

29.72a

41.89a

85.23a

87.23a

93.33a

99.33a

40

16.66a

26.71a

45.63a

90.00a

89.86a

96.59a

100.00a

60

17.02a

31.03a

44.89a

94.55a

91.15a

97.94a

100.00a

80

17.44a

26.17a

45.27a

88.51a

87.11a

95.91a

99.31a

100

17.00a

26.35a

46.93a

85.03a

88.03a

95.94a

99.32a

  1. Means designated with the same letter in the same column are not significantly different (P ≥ 0.05)
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