Table 7.

Activity of ADH in different life stages of B. dorsalis of different geographic populations

Stages	Populations	Enzyme activity (U/mg protein)
		Control	Cold stressed
Third-instar larvae	Guangzhou	73.5 ± 0.7 a	76.0 ± 1.0 a
	Xiamen	71.5 ± 0.5 b	74.3 ± 0.4 b
	Wuxi	68.2 ± 0.9 c	74.2 ± 0.6 b
	F , P values	43.30, 0.0003	5.63, 0.042
Three-day-old pupae	Guangzhou	80.2 ± 1.4a	83.8 ± 1.2 ab
	Xiamen	78.6 ± 0.9 a	83.0 ± 1.2 a
	Wuxi	73.3 ± 0.6b	85.8 ± 0.7 b
	F , P values	39.01, 0.0004	5.53, 0.044
Two-day-old adults	Guangzhou	87.3 ± 1.2 a	94.6 ± 1.0 a
	Xiamen	84.4 ± 0.5 b	92.1 ± 0.6 b
	Wuxi	74.6 ± 0.8c	84.8 ± 1.2 c
	F , P values	181.61, 0.0001	79.33, 0.0001