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In vitro shoot regeneration ofSolanum tuberosum cultivars: interactions of medium composition and leaf, leaflet, and explant position

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Shoot regeneration was investigated on explants from different leaves and leaflets of three potato cultivars Posmo, Folva and Oleva. Explants were excised from glasshouse grown plants and grown for 6 days on callus induction medium with indole-3-acetic acid or 2,4-dichlorophenoxyacetic acid. Explants were then transferred to auxin free shoot regeneration medium with gibberellic acid and 6-benzyladenine or zeatin. By using the optimum combinations and concentrations of plant growth regulators and by excision of explants from particular regions of proximal leaflets from newly unfolded leaves, shoot regeneration frequencies of 97.0% were obtained for cv. Posmo and 32.1% for cv. Folva. Shoot regeneration frequency of cv. Oleva was very low and could not be improved by the different treatments.

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Hansen, J., Nielsen, B. & Nielsen, S.V.S. In vitro shoot regeneration ofSolanum tuberosum cultivars: interactions of medium composition and leaf, leaflet, and explant position. Potato Res 42, 141–151 (1999). https://doi.org/10.1007/BF02358404

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