The genetics and physiology of gibberellin sensitivity mutants in peas

  • J. B. Reid
  • P. J. Davies
Chapter
Part of the Current Plant Science and Biotechnology in Agriculture book series (PSBA, volume 13)

Abstract

Ten mutants with modified sensitivity to applied gibberellins (GAs) have so far been characterised in peas. These range in length from very short(erectoides)types(e.g. lk;Reid, 1986) through to elongated types such as slender (caused by the polymeric gene combinationla crys;Pottset al., 1985). The sensitivity to applied GA1also varies from a minimal response in genotypes such aslkandla crys(Pottset al., 1985; Reid and Potts, 1986) to a hypersensitive response in genotypelv(Reid and Ross, 1988b). However, the degree of sensitivity does not correlate with elongation. For example, the two elongated mutant typesla crysandlvshow the opposite extremes of sensitivity.

Keywords

Stem Elongation Turgor Pressure Internode Length Sensitivity Mutant Wall Relaxation 
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Copyright information

© Springer Science+Business Media Dordrecht 1992

Authors and Affiliations

  • J. B. Reid
    • 1
  • P. J. Davies
    • 2
  1. 1.Department of Plant ScienceUniversity of TasmaniaHobartAustralia
  2. 2.Section of Plant BiologyCornell UniversityIthacaUSA

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