Table 2.

Pearson correlations among mycorrhizal colonization, ZmPht1;6, ZmPht1;11 and Am3 expression, shoot dry weight, root dry weight total root length, P concentration and P content

	Mycorrhizal colonization	ZmPht1;6	ZmPht1;11	Am3	Shoot dry weight	Root dry weight	Total root length	Specific root length	Shoot P concentration
ZmPht1;6	0.945**
ZmPht1;11	0.326	0.117
Am3	0.887**	0.911**	0.065
Shoot dry weight	0.732*	0.590*	0.564	0.682*
Root dry weight	0.677*	0.530	0.637*	0.567	0.969**
Total root length	0.520	0.352	0.547	0.511	0.941**	0.943**
Specific root length	−0.375	−0.464	−0.158	−0.154	0.089	0.052	0.366
Shoot P concentration	0.822**	0.692*	0.412	0.786*	0.955**	0.893**	0.851**	0.015
Shoot P content	0.917**	0.824**	0.241	0.889**	0.766**	0.666*	0.591*	−0.166	0.903**

*P < 0.05; **P < 0.01.