Preparation, Characterization, and Insecticidal Activity of Avermectin-Grafted-Carboxymethyl Chitosan

Table 1

Insecticidal activity of avermectin against four kinds of pests.

Targets	Concentration (mg/L)	Insecticidal activity (%)
		Avermectin-grafted-NOCC	Avermectin	NOCC
Armyworms	1000	100	100	0
	500	100	100	0
	100	100	100	0
	20	60	100	0
	4	0	100	0
	0.8	0	80	0
	0.16	0	0	0
Carmine spider mites	1000	100	100	0
	500	100	100	0
	100	70	100	0
	20	50	100	0
	4	0	80	0
	0.8	0	0	0
	0.16	0	0	0
Black bean aphids	1000	100	100	0
	500	100	100	0
	100	100	100	0
	20	50	100	0
	4	30	100	0
	0.8	0	0	0
	0.16	0	0	0
Brown plant hoppers	1000	100	100	0
	500	100	100	0
	100	100	100	0
	20	100	100	0
	4	70	100	0
	0.8	0	100	0
	0.16	0	90	0