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 303072
Title Somatic embryogenesis and shoot regeneration from excised adventitious roots of the rootstock Rosa hybrida L. 'Moneyway'
Author(s) Salm, T.P.M. van der; Toorn, C.J.G. van der; Hänisch ten Cate, C.H.; Dons, J.J.M.
Source Plant Cell Reports 15 (1996)7. - ISSN 0721-7714 - p. 522 - 526.
Department(s) Centrum voor Plantenveredelings- en Reproduktieonderzoek
Publication type Refereed Article in a scientific journal
Publication year 1996
Abstract Plants were regenerated from excised adventitious roots of the rose rootstock 'Moneyway' via a three step procedure: callus induction, induction of somatic embryos and shoot development. Callus was induced on excised roots after incubation for 4 weeks in the dark on SH-medium (Schenk and Hildebrandt) containing 50 μM 2,4-dichlorophenoxyacetic acid. For embryo induction, calluses were transferred to hormone-free SH-medium and incubated for 8 weeks. The use of Gelrite instead of agar during callus induction stimulated somatic embryogenesis (up to 16% of the explants formed organized structures), whereas the presence of 6-benzylaminopurine in this phase inhibited subsequent regeneration. Yellow solid calluses with embryo-like cotyledons or primordia and friable calluses with embryos were selected, and upon incubation in the light shoots developed. Shoot development was faster and more frequent on solid callus than on friable callus (64% and 21 % of the calluses finally formed one or more shoots, respectively). Eleven out of thirteen regenerants developed similarly to control shoots. Finally this regeneration method is compared with other systems for somatic embryogenesis and opportunities for the production of transgenic rose rootstocks and rose cultivars are discussed.
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