Table 1 Mean mortality numbers of A. verbasci larvae and the reduction percentages.

0

0.0 ± 0.0^a

0.0 ± 0.0^a

0.0 ± 0.0^a

0.0 ± 0.0^a

0.0^a

100

1.7 ± 0.3^b

1.7 ± 0.3^b

1.0 ± 0.0^b

4.3 ± 2.1^b

43.3^b

200

2.7 ± 0.3^b

2.3 ± 0.3^b

1.0 ± 0.0^b

6.0 ± 2.4^c

60.0^c

300

4.7 ± 0.3^c

2.0 ± 0.5^b

1.0 ± 0.0^b

7.7 ± 2.9^d

76.6^d

400

7.0 ± 0.5^d

1.7 ± 0.3^b

0.3 ± 0.3^a

9.0 ± 1.4^de

90.0^de

500

10.0 ± 0.0^e

0.0 ± 0.0^a

0.0 ± 0.0^a

10.0 ± 0.0^e

100.0^e

F value

122.4

9.4

13.6

51.2

L.S.D. 5%

1.1

1.1

0.4

1.6