Table 1.

The relationships among the contents of the thiols in the different tissues.

Tissue	GSH-PC2	GSH-PC3	GSH-PC4	PC2-PC3	PC2-PC4	PC3-PC4
Roots	−0.374 **	−0.485 **	−0.601 **	0.699 **	0.691 **	0.933 **
Shoots	0.052	0.094	0.053	0.908 **	0.904 **	0.928 **
Leaves	0.607 **	0.439 **	0.230 **	0.842 **	0.626 **	0.763 **

*: p < 0.05; **: p < 0.01.