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Egyptian Journal of Biological Pest Control

Table 1 LC50 estimates of different Beauveria bassiana isolates from bioassays against second-instar larvae of Spodoptera litura

From: Molecular characterization of new isolates of the entomopathogenic fungus Beauveria bassiana and their efficacy against the tobacco caterpillar, Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae)

Isolates

n

Heterogeneity

LC50

Slope ± SE

X2 (df)

Limits

BbR1

30

0.07

4735.680

0.214 ± 0.076

0.1968 (3)

2.62 to 45,428.899

BbR2

30

0.13

935.663

0.344 ± 0.086

0.3805 (3)

12.633 to 5794.919

BbR3

30

0.12

5725.680

0.214 ± 0.086

0.3904 (3)

11.625 to 65,197

BbM1

30

0.15

7934.700

0.173 ± 0.074

0.4552 (3)

6.9569 to 77,197

  1. n no. of insects treated, df degrees of freedom, LC50 lethal concentration at which 50% of the insect population gets killed
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