Table 2 Fumigant toxicity of root bark oil extract of P. alliacea on the mortality of adult Culex quinquefasciatus

1

11.67 ± 0.33^b

36.67 ± 0.33^b

66.67 ± 0.33^b

81.67 ± 0.33^b

2

16.67 ± 0.33^c

53.33 ± 0.67^c

81.67 ± 0.33^c

90.00 ± 0.00^c

3

25.00 ± 0.00^d

61.67 ± 0.33^d

91.67 ± 0.33^d

100.00 ± 0.00^d

4

31.60 ± 0.33^e

76.67 ± 0.33^e

100.00 ± 0.00^e

100.00 ± 0.00^d

5

40.00 ± 0.00^f

81.67 ± 0.33^e

100.00 ± 0.00^e

100.00 ± 0.00^d

Control

0.00 ± 0.00^a

0.00 ± 0.00^a

0.00 ± 0.00^a

0.00 ± 0.00^a