TABLE 2.

Substitution and evaluation rates of Quercus plastid genes (standard deviation) using p < .05 as significant criterion

Categories	Dn	Ds	Dn/Ds
Photosynthetic metabolism	0.0027 (0.0023)	0.0412 (0.0281)	0.0674 (0.0214)
Photosynthetic apparatus	0.1496 (0.5687)	0.2403 (0.7891)	0.3302 (0.4131)
Gene expression	0.2095 (0.6143)	0.3108 (0.9067)	0.4684 (0.4048)
Other	0.4978 (1.1837)	0.6953 (1.6252)	0.5454 (0.2334)
Average	0.1927 (0.6384)	0.2936 (0.8988)	0.3793 (0.3747)
F	0.619	0.534	1.777
p	.606	.661	.161