Journal of Plant Biotechnology : eISSN 2384-1397 / pISSN 1229-2818

Table. 2.

Table. 2.

Optimal amount of auxin and cytokinin required for the greatest number and length of adventitious roots formed from callus clone cultures of Paeonia lactiflora Pall. in Murashige and Skoog medium containing various concentrations of plant growth regulators grown in dark condition for 6 weeks

Plant growth regulator (mg/L) Number of adventitious rootsa Length of adventitious roots (cm)
IAA 0.1 5.50 ± 1.09 3.33 ± 1.02
0.5 4.37 ± 0.25 2.26 ± 0.56
1.0 3.96 ± 0.62 1.52 ± 0.32

NAA 0.1 5.27 ± 0.24 2.30 ± 0.80
0.5 1.25 ± 0.91 0.99 ± 0.36
1.0 - -

IBA 0.1 6.66 ± 1.89 4.82 ± 0.67
0.5 5.73 ± 1.46 1.58 ± 0.48
1.0 4.79 ± 0.72 1.55 ± 0.33

Kinetin 0.1 1.69 ± 0.94 0.98 ± 1.32
0.5 - -
1.0 - -

Zeatin 0.1 2.20 ± 1.60 0.70 ± 0.09
0.5 2.32 ± 2.75 0.72 ± 2.68
1.0 - -

BAP 0.1 - -
0.5 - -
1.0 - -

aEach value represents the mean ± standard error of at least three replicates.

IAA: indole acetic acid, NAA, naphthalene acetic acid, IBA: indolebutyric acid, 2,4-D: 2,4-dichlorophenoxyacetic acid, BAP: benzylaminopurine

J Plant Biotechnol 2022;49:207-12 https://doi.org/10.5010/JPB.2022.49.3.207
© 2022 J Plant Biotechnol