Table 7. Two-way ANOVA analysis for Pb concent in root and the aboveground tissues.

Variable	root		aboveground
	F	P	F	P
Variety	0.33	0.7290	5.00	0.0527
Treatment	1.89	0.2327	28.47	0.0006
Variety × treatment	4.44	0.0044	2.92	0.0298