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Egyptian Journal of Biological Pest Control

Table 2 Mean lethal concentrations (LC50) of Ephestia kuehniella infected with some Iranian Bacillus thuringiensis strains

From: Isolation of Iranian Bacillus thuringiensis strains and characterization of lepidopteran-active cry genes

Bt strain

LC50

spore/ml

95% Confidence intervals

χ2

Lower

Upper

1019

3.09 × 106

6.17 × 105

1.30 × 107

5.35

1032

6.20 × 107

1.80 × 107

3.80 × 108

1.58

1037

7.70 × 107

2.16 × 107

5.18 × 108

2.15

1039

1.40 × 107

5.11 × 106

3.8 × 107

1.25

Btk

2.90 × 107

9.60 × 106

1.90 × 108

1.07

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