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Table 2 Mortality of Hypera postica exposed to the ten isolates at 1x107conidia/ml

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*(%)

ISOLATES

1 DAT**

3 DAT

5 DAT

7 DAT

GN-23

0.29 ± 0.70a***

24.83 ± 0.16c

98.85 ± 1.12abc

100.00 ± 0.00a

GN-20-2

0.29 ± 0.70a

60.22 ± 0.52ab

94.43 ± 1.49abcd

99.71 ± 0.70a

GN-12-3

0.00 ± 0.00a

51.82 ± 0.92ab

85.66 ± 0.49d

100.00 ± 0.00a

GN-1

0.60 ± 1.45a

39.79 ± 0.68bc

86.99 ± 0.22 cd

99.71 ± 0.70a

GN-4

2.57 ± 1.25a

56.84 ± 0.62ab

97.43 ± 1.25abcd

99.71 ± 0.70a

GN-5-2

0.29 ± 0.70a

53.50 ± 0.79ab

83.64 ± 0.22d

100.00 ± 0.00a

GN-8-2

2.57 ± 1.25a

60.22 ± 0.52ab

88.54 ± 0.14bcd

99.71 ± 0.70a

GN-8-1(2)

2.57 ± 1.25a

65.50 ± 0.72a

85.36 ± 0.25d

100.00 ± 0.00a

HP-30

1.70 ± 1.74a

60.22 ± 0.52ab

99.40 ± 1.45ab

100.00 ± 0.00a

HP-6

4.53 ± 1.12a

68.72 ± 0.48a

99.71 ± 0.70a

100.00 ± 0.00a

CONTROL

0.00 ± 0.00a

0.00 ± 0.00d

1.15 ± 1.12e

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 (ANOVA P < 0.05, Tukey’s test)