Summary
Callus cultures were established from pith tissue of Coryphantha elephantidens (Lem.) Lem. on Murashige and Skoog (MS) basal medium supplemented with 9.05 μM 2,4-dichlorophenoxyacetic acid (2,4-D) and 2.3 μM kinetin. Highest shoot regeneration frequency was observed on a medium containing 6.9 μM kinetin and 2.3 μM 2,4-D under 30 μE m−2 s−1 light intensity with a 16-h photoperiod. Calluses retained organogenic potential throughout several passages of subculture (18 mo.). Shoots were rooted on MS medium without plant growth regulators. All (100%) plantlets transplanted to soil survived acclimatization. Regenerated plants showed good overall growth and were morphologically similar to the mother plants.
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Wakhlu, A.K., Bhau, B.S. Callus formation and plant regeneration from tubercles of Coryphantha elephantidens (Lem.) Lem.. In Vitro Cell.Dev.Biol.-Plant 36, 211–214 (2000). https://doi.org/10.1007/s11627-000-0039-x
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DOI: https://doi.org/10.1007/s11627-000-0039-x