The root morphological parameters such as total root length and numbers of root tips were measured with WinRHIZO (a commercial package to scan image of roots). Finally, all the root samples were oven dried to calculate root weight.
The root morphologicalparameters such as total root length and numbers of root tips weremeasured with WinRHIZO (a commercial package to scan image ofroots). Finally, all the root samples were oven dried to calculateroot weight.