Table 1.

Characteristics of root biomass and ROL in different genotypes of rice grown in Yoshida nutrient solution after a growth period of 30 d, and Fe concentrations in iron plaque after subjected to 30 mg l⁻¹ Fe for 12 h

Genotype	Type	Root biomass (mg per root DW)	ROL (μmol O2 g-1 DW h-1)	Fe in iron plaque (g kg-1)
Hejiang16	Japonica, paddy	35±10 c	8.9±1.6 bcd	19.4±5.7 abc
IAPAR9	Japonica, upland	61±20 b	4.5±1.6 e	12.5±5.6 de
Kinmaze	Japonica, paddy	58±10 b	13.4±1.3 a	18.3±1.7 bcd
MANHAR	Indica, paddy	86±20 a	6.8±1.0 de	15.6±2.8 bcde
Nanyangzhan	Japonica, paddy	62±10 b	7.2±1.2 cd	11.2±2.0 e
TD71	Indica, paddy	54±10 bc	11.1±2.1 ab	25.1±5.5 a
TORO 2	Japonica, paddy	99±10 a	10.1±1.7 bc	20.5±2.5 ab
Xiushui11	Indica, paddy	50±10 bc	9.7±3.0 bc	13.6±1.9 cde

Values followed by different letters on the same column are significantly different (P <0.05; least significant difference (LSD) test).DW, dry weight.