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Root formation in pea cuttings: Effects of combined application of auxin and cytokinin at different developmental stages

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Biologia Plantarum

Abstract

Cuttings of pea cv. Alaska and ov. Kelwo were both decapitated and disbudded at different time intervals after cutting. Auxin and cytokinin combined in different ratios were applied to the upper part of the decapitated and disbudded cuttings. The effects of different ratios of auxin and cytokinin were not the same when applied at different developmental stages of the root initiation phase. The results seem to demonstrate an interaction between auxin and cytokinin at different ratios throughout the root initiation phase. The effects of combined application of auxin and cytokinin suggest that different stages of the root initiation phase require different levels of auxin and cytokinin. A higher level of auxin and either lower or equal level of cytokinin may be needed only in the early stages. During the subsequent stages a lower level of auxin in combination with a higher level of cytokinin seems to be more conducive.

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Author notes

  1. S. Mohammed

    Present address: Department of Horticulture, Palms and Dates Research Centre, P.O. Box 2416, Baghdad, Iraq

Authors and Affiliations

  1. Department of Horticulture, The Royal Veterinary and Agriculture University, Rolighedsvej 23, DK 1958, Copenhagen V, Denmark

    S. Mohammed

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  1. S. Mohammed
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Mohammed, S. Root formation in pea cuttings: Effects of combined application of auxin and cytokinin at different developmental stages. Biol Plant 22, 231–236 (1980). https://doi.org/10.1007/BF02892747

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  • DOI: https://doi.org/10.1007/BF02892747

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