Skip to main content

Table 2 Effect of gamma irradiation on the reproductive biology of Spodoptera littoralis irradiated as full-grown male pupae

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

Doses (Gy)

No. of eggs (Av)

Egg hatch (%)

Larvae duration/days (Av)

Pupal duration/days (Av)

Larval mortality (%)

Pupal mortality (%)

0

1414.4a

89.0a

14.1a

10.0a

5.2a

3.4a

40

1407.5a

80.1b

13.8a

10.3a

13.5b

10.2b

60

1397.3a

67.2c

13.9a

10.2a

20.5c

16.1c

80

1354.4a

65.7c

14.6b

10.5a

22.3c

15.2c

100

1361.2a

45.3d

15.1c

10.6a

36.1d

17.2c

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