The Optimization of Medium Conditions and Auxins in the Induction of Adventitious Roots of Pokeweed (Phytolacca americana L.) and Their Phytochemical Constituents
Table 1
Pokeweed adventitious root induction percentages and number of adventitious and lateral roots influenced by medium state and supplemented PGRs.
Treatment
Adventitious root induction percentage (%)
Number of adventitious roots (roots per explant)
Number of lateral roots (roots per explant)
Semisolid
Liquid
Semisolid
Liquid
Semisolid
Liquid
Control
0.00 ± 0.00f
0.00 ± 0.00f
0.00 ± 0.00e
0.00 ± 0.00e
0.00 ± 0.00d
0.00 ± 0.00d
NAA (mg/L)
0.5
75.00 ± 17.08b–d
83.33 ± 10.54a–c
3.00 ± 0.36b–d
6.00 ± 0.89a
12.67 ± 1.74a
2.33 ± 0.71c
1
91.67 ± 8.33ab
100.00 ± 0.00a
4.33 ± 0.80b
5.83 ± 0.65a
6.50 ± 0.99b
1.50 ± 0.55cd
2
83.33 ± 10.54a–c
50.00 ± 0.00e
2.83 ± 0.48cd
6.17 ± 0.70a
7.33 ± 0.80b
0.00 ± 0.00d
4
91.67 ± 8.33ab
0.00 ± 0.00f
2.83 ± 0.65cd
0.00 ± 0.00e
8.16 ± 1.01b
0.00 ± 0.00d
IBA (mg/L)
0.5
66.67 ± 10.54c–e
0.00 ± 0.00f
2.67 ± 0.56d
0.00 ± 0.00e
1.67 ± 0.49cd
0.00 ± 0.00d
1
66.67 ± 10.54c–e
0.00 ± 0.00f
4.17 ± 0.60b
0.00 ± 0.00e
2.17 ± 0.60c
0.00 ± 0.00d
2
58.33 ± 8.33de
0.00 ± 0.00f
2.67 ± 0.71d
0.00 ± 0.00e
1.33 ± 0.21cd
0.00 ± 0.00d
4
58.33 ± 15.37de
0.00 ± 0.00f
2.83 ± 0.60cd
0.00 ± 0.00e
1.83 ± 0.15c
0.00 ± 0.00d
Data are expressed as mean ± SE. Significant differences between means were determined by two-way ANOVA and the least significant difference test (). Different letters (a, b, c, …) represent significant differences in both semisolid and liquid columns ().