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Table 3 Effect of ethyl acetate extract of S. hydrogenans and azadirachtin on mortality rate of different developmental stages of S.litura

From: Insecticidal and growth inhibitory potential of Streptomyces hydrogenans DH16 on major pest of India, Spodoptera litura(Fab.) (Lepidoptera: Noctuidae)

Treatments Concentrations (μg/ml) Larval mortality (%) Prepupal mortality (%) Pupal mortality (%) Corrected Pupal mortality (%)
  Control - - 13.80 ± 0.67a -
Streptomyces ethyl acetate extract 400 - - 48.26 ± 1.01b 39.98 ± 1.40a
800 20.00 ± 00.00a 20.00 ± 4.47a 57.13 ± 2.09c 50.26 ± 0.45b
1600 70.00 ± 12.40b 66.66 ± 0.38b 100.00 ± 00d 100.00 ± 0.00c
f- value 16.30** 107.79** 863.97** 1436.26**
R2 0.80 0.81 0.94 0.94
Azadirachtin 400 76.66 ± 1.59c - 85.70 ± 1.22e 83.41 ± 0.45d
800 96.66 ± 0.42d - - -
1600 100.00 ± 00e - - -
f- value 146.19** - - -
R2 0.85 - - -
  1. Mean ± SE followed by different letters with in a column are significantly different. Tukey's test P ≤ 0.05, R2 =Coefficient of determination, **Significant at 1% level.