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Table 3 Summary of Probit analysis, calculated lethal time, and concentration-mortality response at 10 days of post inoculation to third larval instar of Tuta absoluta

From: Morphological, molecular, and pathogenicity characteristics of the native isolates of Metarhizium anisopliae against the tomato leafminer, Tuta absoluta (Meyrick 1917) (Lepidoptera: Gelechiidae) in Ethiopia

Spore ml−1

AAUM43

AAUM76

AAUM20

AAUM80

AAUM78

AAUM39

Mortality (mean ± SE)

 104

50.33 ± 4.41e

52.33 ± 4.41e

50.00 ± 5.77e

55.00 ± 2.89e

78.33 ± 4.41a

65.00 ± 10.41c

 105

61.67 ± 10.1c

61.67 ± 6.01c

61.67 ± 4.41c

60.00 ± 5.77c

83.33 ± 1.67ab

73.33 ± 4.41bc

 106

81.67 ± 3.33b

70.00 ± 5.77d

83.33 ± 6.01bc

76.67 ± 4.41c

86.67 ± 1.67b

83.33 ± 1.67bc

 107

95.00 ± 1.89a

80.00 ± 5.00bc

89.00 ± 2.89ab

88.33 ± 1.67b

93.33 ± 1.67a

91.33 ± 1.67b

 108

95.00 ± 0.00a

86.67 ± 1.67c

91.67 ± 1.67b

90.00 ± 2.89b

96.67 ± 1.67a

93.33 ± 1.67ab

LT50 (mean ± SE)

 104

5.33 ± 0.58c

4.00 ± 1.00b

4.00 ± 1.00b

4.00 ± 1.00b

3.93 ± 0.90ab

3.50 ± 0.50a

 106

3.00 ± 0.00b

3.60 ± 0.53a

3.33 ± 0.58b

3.87 ± 0.12ab

3.33 ± 0.58b

3.00 ± 0.00b

 108

2.81 ± 0.00b

2.98 ± 0.00a

2.87 ± 0.12b

2.93 ± 0.12a

1.93 ± 0.00a

2.80 ± 0.20b

Summary of Probit analysis

 LC50

1.4 × 104

7 × 104

4.3 × 104

4.1 × 104

1.2 × 103

2.9 × 103

 95% FL

4 × 103–7.2 × 104

2.8 × 103–3.6 × 105

3.8 × 103–1.7 × 105

2.5 × 103–1.8 × 105

8.3 × 102–3.8 × 103

1.9 × 102–2.9 × 104

 LC90

8.2 × 106

1.7 × 108

1.6 × 107

2.8 × 107

3.5 × 106

7.1 × 106

 95% FL

1.6 × 106–3.6 × 107

1.6 × 107–1.1 × 109

3.1 × 106–4.5 × 108

4.6 × 106–1.7 × 108

1.2 × 104–3.4 × 106

1 × 106–1.7 × 107

 Int ± SE

1.93 ± 0.66

1.83 ± 0.66

2.32 ± 0.64

2.10 ± 0.63

0.59 ± 0.80

1.31 ± 0.66

 S ± SE

4.6 ± 0.12

3.8 ± 0.10

5 ± 0.11

4.5 ± 0.11

3.4 ± 0.15

3.8 ± 0.12

P value

< 0.05

< 0.05

< 0.05

< 0.05

< 0.05

< 0.05

  1. Letters in the columns (a, b, c, d, and e,) are ranks of the mean
  2. FL fiducial limit, SE standard error, LT lethal time taken to kill 50% of experimental organisms, LC lethal concentration, Int intercept, S slope