Table 4.

Summary of MK Tests

		Fixed Differences between Clades A & B	Polymorphic Sites within Clade A	G-Test Resultsa	NIb
AvrP123	Synonymous	19	2	G = 15.57	10.92
	Nonsynonymous	47	54	P = <0.001
AvrP4c	Synonymous	17	2	G = 4.55	4.50
	Nonsynonymous	34	18	P = 0.033

^aProbability determined by a G-test.

^bNI refers to the NI (Rand and Kann 1996).

^cThe calculation of fixed differences between clades A and B for AvrP4 were performed using only the single clade B haplotype Lm-12 (see Materials and Methods).