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Table 2 Larvicidal(%) and effective concentrations (LC 50 and LC 90 ppm) 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)

H. armigera

S. litura

Larvicidal (%)

LC50

LC90

Larvicidal (%)

LC50

LC90

Polyketide metabolite

125

15.52 ± 5.29a

  

10.44 ± 0.60a

  

250

33.16 ± 4.34b

645.25

1724.58

29.11 ± 4.11b

806.54

1725.01

500

54.08 ± 5.63c

  

47.77 ± 3.04c

  

1000

68.41 ± 6.04d

  

60.02 ± 2.43d

  

Azadirachtin

125

47.77 ± 4.26c

  

51.98 ± 5.95c,d

  

250

63.66 ± 4.47d

170.48

401.65

69.18 ± 6.42e

135.58

452.02

500

98.77 ± 4.45e

  

95.77 ± 5.18f

  

1000

100 ± 00e

  

100 ± 00f

  
  1. Mean ± SD within columns followed by the same letter do not differ significantly using Tukey’s test, P ≤ 0.05.