Table 4 Percent mortalities of Rhynchophorus ferrugineus on the 7th day after treatment with Beauveria bassiana

1×10⁶

43.7 bc

45.0 c

50.0 d

45.0 d

1×10⁷

52.5 b

52.5 bc

61.2 cd

62.5 c

1×10⁸

57.5 ab

66.2 ab

70.5 bc

71.2 bc

2×10⁸

65.0 ab

70.0 a

81.2 ab

80.0 ab

3×10⁸

75.0 a

77.5 a

90.0 a

85.0 a

Control

25.0 c

26.2 d

27.5 e

26.2 e

F-value

12.7

28.9

45.1

70.4

P-value

0

0

0

0

LSD

21.961

15.781

15.099

11.992