819810.fig.004a
(a)
819810.fig.004b
(b)
Figure 4: Variation of the final germination percentages (%) and the mean time to germination (MTG, days) of Ziziphus lotus ( ) and Rhus tripartitum ( ) seeds ( ) at different PEG6000 solutions of different osmotic potentials (0 to −1 MPa).