Brassinolide Increases Potato Root Growth In Vitro in a Dose-Dependent Way and Alleviates Salinity Stress
Table 2
Effect of BL on biomass accumulation and root/shoot ratio of in vitro potato plants under NaCl stress.
Treatments
Biomass accumulation (g)
Relative biomass (%)
Root/shoot ratio
Root fresh weight
Shoot fresh weight
Total plant fresh weight
0 mM NaCl
0.095 ± 0.017
0.217 ± 0.073
0.312 ± 0.009
100
0.438
0 mM NaCl + BL
0.167 ± 0.103
0.247 ± 0.089
0.414 ± 0.008
133
0.671
50 mM NaCl
0.057 ± 0.014
0.158 ± 0.045
0.215 ± 0.004
68.9
0.362
50 mM NaCl + BL
0.070 ± 0.027
0.173 ± 0.070
0.243 ± 0.003
77.9
0.407
75 mM NaCl
0.034 ± 0.022
0.078 ± 0.024
0.112 ± 0.002
35.9
0.440
75 mM NaCl + BL
0.050 ± 0.021
0.106 ± 0.022
0.156 ± 0.008
50.0
0.472
100 mM NaCl
0.009 ± 0.110
0.071 ± 0.045
0.086 ± 0.003
27.6
0.089
100 mM NaCl + BL
0.011 ± 0.065
0.093 ± 0.011
0.104 ± 0.001
33.3
0.118
Data represent mean ± SD of three biological replicates and were tested for significance by Duncan’s new multiple range test. Columns marked with different capital letters indicate significant differences ().
