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

Figure 5

Effects of 50 μg/L BL on Na⁺ (a) and K⁺ (b) content and K⁺/Na⁺ ratio (c) of in vitro potato root and shoot under different NaCl treatments and the control for 20 days. Columns marked with different letters are significantly different by Duncan’s new multiple range test at .

(a)

(b)

(c)