处理

1 d

3 d

5 d

7 d

虫口减退率(%)

防效(%)

虫口减退率(%)

防效(%)

虫口减退率(%)

防效(%)

虫口减退率(%)

防效(%)

A

100.00

100.00 ± 0.00a

96.67

97.48 ± 4.36a

89.94

93.36 ± 1.59a

87.37

93.13 ± 1.47a

B

100.00

100.00 ± 0.00a

100.00

100.00 ± 0.00a

93.89

95.97 ± 3.54a

87.99

93.47 ± 3.77a

C

95.83

96.31 ± 6.39a

92.13

94.05 ± 5.18a

84.26

89.62 ± 5.29ab

80.56

89.42 ± 4.00a

D

85.40

87.07 ± 6.03b

77.53

83.01 ± 9.31b

60.35

73.85 ± 15.45b

41.12

67.98 ± 11.31b

E

63.21

67.42 ± 5.72c

44.29

57.87 ± 3.90c

9.40

40.25 ± 14.71c

−26.79

31.05 ± 12.70c

CK

−12.90

——

−32.26

——

−51.61

——

−83.87

——