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Table 2 LT50 values of R. ferrugienus infected by M. anisopliae isolates (95 % CL)

From: Screening of tropical isolates of Metarhizium anisopliae for virulence to the red palm weevil Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae)

Spores concentration

LT50 (day)

Correlation coefficient R

95 % CL

Lower

Upper

1 × 108

1.66

0.9967

1.46

1.87

1 × 107

2.44

0.9969

2.20

2.70

1 × 106

3.78

0.9764

3.46

4.12

1 × 105

4.73

0.9923

4.23

5.31

1 × 104

7.14

0.9810

6.37

8.01

  1. LT50, lethal time for 50 % mortality
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