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Table 4 Mortality of Hypera postica exposed to GN-4 isolate

From: Efficacy of some local isolates of the fungus Beauveria bassiana (Balsamo) Vuillemin on the alfalfa weevil Hypera postica (Gyllenhal) (Coleoptera: Curculionidae) larvae, under laboratory conditions

Mortality±SEM* (%)

Doses(conidia/ml)

1 DAT**

3 DAT

5 DAT

7 DAT

1 × 103

1.15 ± 1.12a***

28.24 ± 0.09b

77.18 ± 0.43b

96.63 ± 1.75a

1 × 105

1.15 ± 1.12a

41.43 ± 0.75ab

80.69 ± 0.54b

99.71 ± 0.70a

1 × 107

2.57 ± 1.25a

56.84 ± 0.62a

97.43 ± 1.25a

99.71 ± 0.70a

1 × 109

0.00 ± 0.00a

50.00 ± 0.21a

98.35 ± 1.25a

100.00 ± 0.00a

Control

0.00 ± 0.00a

0.00 ± 0.00c

1.15 ± 1.12c

13.01 ± 0.22b

  1. *SEM Standard error of the mean
  2. **DAT Days after treatment
  3. ***Means in a column followed by the same letter are not statistical significantly different (P < 0.05)