TABLE 1.

Analysis of variance (ANOVA) of difenoconazole tolerance in the 215 isolates of Alternaria alternata sampled from seven potato fields in China.

Parameter	Source	DF	SS	Mean SS	F-value	P
RGR	Population	6	1.53	0.255	27.73	<0.0001
	Concentration	2	3.89	1.947	211.78	<0.0001
	Isolate	209	19.79	0.095	10.3	<0.0001
	Concentration * Isolate	430	5.63	0.013	1.42	<0.0001
	Error	4759	42.03	0.009