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Table 1 Antifeedant activity of polyketide metabolite against H. armigera and S. litura

From: Antifeedant, larvicidal and growth inhibitory bioactivities of novel polyketide metabolite isolated from Streptomyces sp. AP-123 against Helicoverpa armigera and Spodoptera litura

Concentration (ppm) Antifeedant activity (%)
H. armigera S. litura
Polyketide metabolite
125 38.01 ± 2.11b 35.93 ± 3.14b
250 51.77 ± 3.81c 46.19 ± 3.88c
500 64.29 ± 3.78d 59.58 ± 2.41d
1000 78.51 ± 3.90e,f 70.75 ± 2.46e,f
Azadirachtin
125 62.20 ± 3.05d 65.47 ± 2.92e
250 64.37 ± 3.26d,e 75.41 ± 5.34f
500 74.51 ± 4.95f 83.73 ± 3.53g
1000 89.84 ± 5.65g 89.61 ± 2.88h
Control 4.33 ± 1.07a 1.54 ± 1.04a
  1. Mean ± SD within columns followed by the same letter do not differ significantly using Tukey’s test, P ≤0.05.