TABLE 4.

Nonsynonymous and synonymous DNA sequence differences between the five plant host strains^a

Group	% Difference with:
	PD	OLS	ALS	OAK	PP
PD		0.42	0.71	0.69	0.70
OLS	2.59		0.83	0.81	0.78
ALS	3.27	3.20		0.07	0.08
OAK	3.25	3.18	0.16		0.05
PP	3.22	3.14	0.12	0.11

^aNonsynonymous (above the diagonal) and synonymous (below the diagonal) DNA sequence differences, based on the isolates indicated in Table 1.