In vitro selection for salt tolerance in crop plants: Theoretical and practical considerations

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42 Scopus citations

Abstract

In recent years attempts have been made to supplement traditional breeding for the production of salt-tolerant plants with variability existing in cell culture. The potential causes suggested as an explanation for the limited success of the in vitro approach include: a) lack, or loss during selection, of regeneration capability; b) the development of epigenetically adapted cells; c) lack of correlation between the mechanisms of tolerance operating in cultured cells and mechanisms that operate in cells in the intact plant; and d) multigenicity of salt tolerance. The recent successful production of healthy, fertile, and genetically stable salt-tolerant regenerants from cells obtained from highly morphogenic explants which are selected early in culture (using one-step or short-term strategies) for salt tolerance, together with the demonstration that salt-sensitive plants can become tolerant by mutations in one or few genes, suggest that some of the potential limitations can be overcome and that some of them may not exist at all.

Original languageEnglish
Pages (from-to)175-180
Number of pages6
JournalIn Vitro
Volume30
Issue number4
DOIs
StatePublished - 1 Oct 1994

Keywords

  • in vitro
  • plants
  • salt tolerance
  • selection

ASJC Scopus subject areas

  • Biotechnology
  • Plant Science

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