The Effects of Cation Ratios on Root Lamella Suberization in Rice (Oryza sativa L.) with Contrasting Salt Tolerance

Table 1

Analysis of variance (ANOVA) of agronomic parameters after 40-day salinity stress. The results represent F-values at 5% level of probability.

Independent variable	Root characteristics				Root-shoot ratio	Dry biomass (g)		Water content (%)
	Length (cm)	Surface area (cm^2)	Volume (cm^3)	Tips		Root	Shoot	Root	Shoot
Rice genotype	34.1*	29.1*	19.5*	33.9*	17.8*	44.7*	42.6*	4.8*	1.8 ns
Salt composition	3.6*	2.0 ns	1.3 ns	14.4*	2.9*	5.3*	6.7*	1.1 ns	6.3*
Interactive effect	0.6 ns	1.2 ns	1.3 ns	1.5 ns	0.3 ns	0.8 ns	2.4 ns	0.7 ns	1.3 ns

ns: not significant; *: significant at 5% level.