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 65896
Title The use of somatic embryogenesis for plant propagation in cassava
Author(s) Raemakers, K.; Jacobsen, E.; Visser, R.
Source Molecular Biotechnology 14 (2000). - ISSN 1073-6085 - p. 215 - 221.
Department(s) Laboratory of Plant Breeding
Publication type Refereed Article in a scientific journal
Publication year 2000
Abstract In cassava, somatic embryogenesis starts with the culture of leaf explants on solid Murashige and Skoog-based medium supplemented with auxins. Mature somatic embryos are formed within 6 wk. The cotyledons of the primary somatic embryos are used as explants for a new cycle of somatic embryogenesis. The cotyledons undergo secondary somatic embryogenesis on both liquid and solid Murashige and Skoog-based medium supplemented with auxins. Depending on the auxin, new somatic embryos are formed after 14-30 d after which they can be used for a new cycle of somatic embryogenesis. In liquid medium, more than 20 secondary somatic embryos are formed per initial cultured embryo. In both primary and secondary somatic embryogenesis, the somatic embryos originate directly from the explants. Transfer of clumps of somatic embryos to a Gresshoff and Doy-based medium supplemented with auxins results in indirect somatic embryogenesis. The direct form of somatic embryogenesis has a high potential for use in plant propagation, whereas the indirect has a high potential for use in genetic modification of cassava. Mature somatic embryos germinate into plants after desiccation and culture on a Murashige and Skoog-based medium supplemented with benzylaminopurine (BA). Depending on the used BA concentration, plants can either be transferred either directly to the greenhouse or after using standard multiplication protocols.
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