Table 4.

Correlations between water absorption capacity of SAPs and seedling growth parameters or biochemical markers

Variate	Pearson correlation coefficient	P-value (two-tailed)
Seedling emergence rate	0.902*	0.036
Lateral root number	0.969**	0.006
Seedling height	0.925*	0.024
Dry weight	0.881*	0.048
Proline content	−0.973**	0.005
POD activity	−0.957*	0.011

^*Significant correlation at the P<0.05 level;

^**Significant correlation at the P<0.01 level