Egyptian Journal of Biological Pest Control

Table 3 Mortality of Hypera postica exposed to GN-23 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	1.65 ± 1.25a***	13.66 ± 0.25b	70.95 ± 1.10b	86.70 ± 0.54b
1 × 10⁵	0.29 ± 0.70a	20.86 ± 0.65b	82.19 ± 0.40b	99.71 ± 0.70a
1 × 10⁷	0.29 ± 0.70a	24.83 ± 0.16b	98.85 ± 1.12a	100.00 ± 0.00a
1 × 10⁹	0.60 ± 1.45a	48.58 ± 1.49a	98.85 ± 1.12a	99.71 ± 0.70a
Control	0.00 ± 0.00a	0.00 ± 0.00c	1.15 ± 1.12c	13.01 ± 0.22c

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

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