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Table 2 Efficacy of Metarhizium anisopliae strain against 4th instar larvae of Helicoverpa armigera

From: Isolation, molecular characterization of indigenous Metarhizium anisopliae (Metchnikoff) isolate, using ITS-5.8s rDNA region, and its efficacy against the Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae)

Concentrations (spores ml−1)

Mortality percentage at different time interval (hours)

LT50 (Days)

LT90 (Days)

24

48

72

96

120

1 × 103

0.00

0.00c

4.44h

24.44f

42.22d

5.25

8.08

1 × 104

0.00

0.00c

6.66g

33.33de

48.88cd

4.88

7.54

1 × 105

0.00

0.00c

8.88f

37.77d

53.33c

4.71

7.25

1 × 106

0.00

0.00c

13.33e

40.00d

58.88bc

4.50

7.00

1 × 107

0.00

0.00c

17.77d

46.66bc

66.66b

4.21

6.46

1 × 108

0.00

0.00c

20.00c

51.10b

73.33b

4.02

6.00

1 × 109

0.00

4.44b

26.66b

55.55b

82.22a

3.72

5.83

1 × 1010

0.00

8.88a

31.10a

62.22a

88.88a

3.45

5.46

Control

0.00

0.00c

0.00i

0.00g

0.00e

  1. Number denoted by same letter within the column is statistically non-significant (Tukey’s test, p < 0.05); data show the mean of three