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Egyptian Journal of Biological Pest Control

Table 5 LC50 values of the fungal isolates on different stages of Pectinophora gossypiella

From: Virulence of Beauveria bassiana and Metarhizium anisopliae on different stages of the pink bollworm, Pectinophora gossypiella (Saunders) (Lepidoptera: Gelechiidae)

Entomopathogenic fungi

LC50* spores/ml

Lower limit spores/ml

Upper limit spores/ml

Egg stage

 Metarhizium anisopliae

6.03×1012

1.74×1012

3.94×1013

 Beauveria bassiana

4.97×1011

2.25×1011

1.43×1012

Newly hatched larvae

 Metarhizium anisopliae

6.03×109

3.23×109

1.11×1010

 Beauveria bassiana

8.25×108

3.25×108

1.74×109

Early 4th instar larvae

 Metarhizium anisopliae

1.29×1010

5.48×109

3.11×1010

 Beauveria bassiana

2.52×108

2.03×109

8.35×108

Pupal stage

 Metarhizium anisopliae

8.36×109

3.4×109

2.02×1010

 Beauveria bassiana

6.79×108

1.47×108

1.93×109

  1. *LC50 was calculated for total mortality (between 20 and 84% mortality)
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