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Polarity and responsive regions for regeneration in the cultured melon cotyledon


Journal of Plant Physiology 135(2): 237-239
Polarity and responsive regions for regeneration in the cultured melon cotyledon
The responsive zone for organogenesis and the time for organ induction in melon [Cucumis melo] cotyledons were investigated. Callus proliferation and root or shoot formation was only confined to the basal side of the cotyledon or its segments. Organ induction required at least 1 day but not more than 3 for roots and 3 days but not more than 5 for shoots. Responsiveness was apparently achieved by the transverse cut and the accumulation of a polarly transported endogenous growth factor (IAA). Exogenous hormones then induced organ formation.

Accession: 001912283

DOI: 10.1016/S0176-1617(89)80184-1

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