Table 1. Shoot biomass, P concentration and P accumulation of transgenic lines and WT grown in quartz sand.

P treatment	Line	Dry weight	P concentration	P accumulation
		g plant–1	%	mg plant–1
HP	WT	1.03±0.07	0.42±0.04	4.30±0.21
	P3	1.32±0.16*	0.47±0.04	6.07±0.81**
	P11	1.58±0.21**	0.49±0.05	7.22±0.88**
	a18	1.39±0.23*	0.57±0.03*	7.35±1.23**
LP	WT	0.09±0.01	0.14±0.01	0.12±0.01
	P3	0.13±0.01*	0.24±0.01*	0.32±0.03**
	P11	0.13±0.02*	0.17±0.02	0.18±0.01*
	a18	0.10±0.02	0.16±0.00	0.18±0.01*
Phy-P	WT	0.68±0.04	0.31±0.04	2.09±0.43
	P3	0.78±0.08*	0.43±0.04*	3.57±0.34**
	P11	0.93±0.05**	0.31±0.03	2.86±0.34*
	a18	0.93±0.08**	0.27±0.01	2.50±0.21*

Values represent means ± SD of four replicates. A significant difference (*, ** at P<0.05 and P<0.01, respectively) between WT and transgenic lines in the same P treatment was calculated by LSD test.