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Hormonal regulation of tuberization in dahlia

, : Hormonal regulation of tuberization in dahlia. Acta Horticulturae (47): 319-329

Treatment with SADH or ethephon promoted tuberization in whole dahlia plants but inhibited it in budless cuttings. ABA enhanced tuberization but GA inhibited it, both in whole plants and in budless cuttings. No anatomical difference could be observed between the GA-induced thicknening at the petiole base of budless cuttings and the natural or ABA-induced thickening of the roots. Short day conditions which promote tuberization increased the endogenous level of ABA.

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Accession: 000397020

DOI: 10.17660/ActaHortic.1975.47.45

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