Table 6.

Insecticidal activity of Geranium wallichianum rhizome crude extract and fractions.

Sample	Number of lethality (%)
	Tribolium castaneum		Rhyzopertha dominica		Callosbruchus analis
Crude extract	0.33 ± 0.57	3.3 ± 5.7	0	0	0	0
Chloroform	1.33 ± 0.57	13.3 ± 5.7	4.66 ± 0.57	46.6 ± 5.7	0	0
Ethyl acetate	0.66 ± 0.57	6.6 ± 5.7	6.66 ± 1.15	66.6 ± 11.5	6.6 ± 5.7	66.6 ± 0
n-butanol	0	0	0	0	0.66 ± 0.57	6.6 ± 5.7
Aqueous	0	0	1.33 ± 0.57	13.3 ± 5.7	0	0
Permethrin (standard)	10 ± 0	100	10 ± 0	100	10 ± 0.01	100
Saline	0	0	0	0	0	0

No. of observations (n) is 10 in each case.