. 2014 Dec 18;5:726. doi: 10.3389/fpls.2014.00726

Table 1.

Plant growth of “Fe-efficient” (EF, PI 360952) and “Fe-inefficient” (INF, PI 407707) Glycine max (G. max) accessions measured 14 days after transfer to hydroponic conditions grown at 60% and 90% relative humidity (RH) under Fe-sufficient (SUF) and Fe-deficient (DEF) conditions (Fe supply).

G. max accession	RH (%)	Fe supply	Plant height (cm)	Root length (cm)	Plant DW (g)	Root:shoot ratio (g.g⁻¹)	Leaf area (cm²)
EF	60	SUF	10.7 ± 0.6^ab	39.5 ± 1.4^a	0.87 ± 0.07^a	0.32 ± 0.01^a	151.3 ± 13.3^a
		DEF	8.7 ± 0.4^a	25.3 ± 0.2^b	0.43 ± 0.03^b	0.36 ± 0.02^ab	75.0 ± 19.6^b
	90	SUF	12.4 ± 0.4^b	37.6 ± 1.8^a	0.89 ± 0.04^a	0.37 ± 0.01^b	147.9 ± 2.9^a
		DEF	11.6 ± 0.6^b	37.5 ± 2.2^a	0.74 ± 0.06^a	0.41 ± 0.02^b	123.5 ± 5.0^c
INF	60	SUF	10.8 ± 0.5^ac	45.4 ± 0.3^a	0.86 ± 0.26^a	0.34 ± 0.01^ab	202.3 ± 13.9^a
		DEF	8.5 ± 0.8^b	47.7 ± 3.7^ab	0.36 ± 0.03^b	0.20 ± 0.05^a	42.9 ± 14.1^b
	90	SUF	12.1 ± 0.5^a	54.2 ± 6.5^ab	1.19 ± 0.03^a	0.32 ± 0.03^ab	1409.0 ± 183.5^c
		DEF	10.0 ± 0.6^bc	54.1 ± 1.3^b	0.51 ± 0.06^b	0.33 ± 0.02^b	72.2 ± 17.8^b

Data are Means ± SEM. Different letters indicate significant differences (P < 0.05) between treatments. Statistical analysis was performed independently for each accession.