Table 6.

Activity of POD 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	181.10 ± 3.10 a	205.20 ± 4.13 a
	Xiamen	173.42 ± 2.20 b	197.61 ± 1.57 b
	Wuxi	156.30 ± 3.56 c	196.84 ± 3.90 b
	F , P values	53.51 0.0001	5.54, 0.043
Three-day-old pupae	Guangzhou	187.09 ± 3.84 a	216.09 ± 3.29 ab
	Xiamen	180.39 ± 2.74 a	210.82 ± 2.05 a
	Wuxi	162.85 ± 4.20 b	222.36 ± 5.53 b
	F , P values	35.36 0.0005	6.58, 0.031
Two-day-old adults	Guangzhou	196.63 ± 3.30 a	234.47 ± 4.87
	Xiamen	192.01 ± 3.60 a	231.56 ± 4.04
	Wuxi	167.95 ± 2.28 b	227.32 ± 1.6 2
	F , P values	73.53 0.0001	2.73, 0.14