Brassinolide Increases Potato Root Growth In Vitro in a Dose-Dependent Way and Alleviates Salinity Stress

Figure 2

Effects of 50 μg/L BL on the growth of NaCl-stressed potato plants. (a) Root length and (b) stem length under 50, 75, and 100 mM NaCl and the control. Columns marked with different capital letters indicate significant differences by Duncan’s new multiple range test at . Columns marked with different lowercase letters indicate significant difference at .

(a)

(b)