ArticleSpringerPlus2014
Indirect shoot organogenesis from leaf explants of Adhatoda vasica Nees.
Article in SpringerPlus, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Abstract
A novel protocol for indirect shoot organogenesis of Adhatoda vasica was developed using petiole explants derived from mature shrubby plants. Media with concentrations of cytokinins in combination with auxins were used to induce callus formation in two explants types: petiole and leaf segment. The frequency of callus formation from petiole and leaf segment explants on Murashige and Skoog (MS) basal medium supplemented with 0.25 mg l(-1) thidiazuron (TDZ) and 0.25 mg l(-1) α-naphthaleneacetic acid (NAA) was 100 ± 0.0 and 83.70 ± 0.52% respectively, while on this medium supplemented with 0.25 mg l(-1) 6-(γ-γ, dimethylallyamino purine) (2iP) and 0.25 mg l(-1) NAA, the callus frequency was 100 ± 0.0 and 96.70 ± 0.67% respectively. The highest shoot regeneration (90.60 ± 0.52%) response and the maximum shoots (8.10 ± 0.28) per callus were achieved from petiole explants on MS medium containing 0.25 mg l(-1) TDZ and 0.25 mg l(-1) NAA. On the contrary, on Schenk & Hildebrandt (SH) basal medium supplemented with 0.25 mg l(-1) TDZ and 0.25 mg l(-1) NAA, the frequency of callus formation from petiole and leaf segment explants was 100 ± 0.0 and 90.50 ± 0.89% respectively while the callus frequency on this medium containing 0.25 mg l(-1) 2iP and 0.25 mg l(-1) NAA was 100 ± 0.0 and 89.90 ± 0.72% respectively. The shoot regeneration frequency for petiole explants was 89.90 ± 0.46% producing 6.00 ± 0.21 shoots per callus on SH basal medium supplemented with 0.25 mg l(-1) TDZ and 0.25 mg l(-1) NAA. Whereas petiole explants could induce 83.70 ± 0.50% shoot regeneration and 7.3 ± 1.05 shoots per callus on SH medium containing 0.25 mg l(-1) indole-3-butyric acid (IBA), 0.5 mg l(-1) 6-benzyladenine (BA) and 0.5 mg l(-1) 2iP. Elongation of regenerated shoot was obtained on MS basal medium supplemented with 0.25 mg l(-1) TDZ. All regenerated shoots developed adventitious roots within 4 weeks when transferred to rooting medium containing SH medium supplemented with 0.5 mg l(-1) IBA. Total nine rooted plantlets were transferred from in vitro to in vivo conditions and eight plants survived and successfully acclimatized in the shaded greenhouse 12 weeks after transplanting.
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