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Table 1 Influence of ethyl acetate extract of S. hydrogenans on and azadirachtin on various developmental parameters 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 period (in days) (Mean ± S.E.) Pupal period (in days) (Mean ± S.E.) Total developmental period (in days) (Mean ± S.E.)
Streptomyces ethyl acetate extract 400 17.30 ± 0.19ab 10.36 ± 0.40ab 27.66 ± 0.40
800 19.97 ± 2.15ab 8.03 ± 0.76b 28.00 ± 0.93
1600 22.00 ± 2.11b - -
f- value 3.30* 5.83** 0.62N.S
R2 0.99 0.82 0.57
Azadirachtin 400 16.66 ± 0.33c 7.00 ± 0.36c -
800 - - -
1600 - - -
f- value - - -
R2 - - -
  1. Mean ± SE followed by different letters (superscript) with in a column are significantly different. Tukey's test P ≤ 0.05, N.S = Non Significant, R2 = Coefficient of determination, *Significant at 5% level, **Significant at 1% level.