Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 362664
Title Improving rooting uniformity in rose cuttings
Author(s) Telgen, H.J. van; Eveleens-Clark, B.A.; Garcia Victoria, N.
Source Propagation of ornamental plants 7 (2007)4. - ISSN 1311-9109 - p. 190 - 194.
Department(s) Wageningen UR Greenhouse Horticulture
Publication type Refereed Article in a scientific journal
Publication year 2007
Keyword(s) hybrida l - growth - plants - propagation
Abstract Studies to improve rooting uniformity of single node stem cuttings for rose are reported. We found that the variation in shoot growth in a young rose crop depended on the variation in root number of the cuttings, which, in turn, was related to the auxin concentration applied to the cutting before rooting. Instead of powder formulations, we started using low concentration auxin solutions and developed the concept of `hormonal time¿, expressed as ¿M.min, to standardize the auxin uptake. In that way, it was possible to increase the efficiency of rooting and to obtain a more uniform rooting than with auxin powders. In experiments, 80-100% rooting and good bud break was observed in a range of 200-2000 ¿M.min. At longer hormonal times, the root number increased but bud break was inhibited. To obtain high rooting percentages approximately 1000 ¿M.min would be a safe guideline.
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