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Plant hormone response mutants
Authors:I. M. Scott
Affiliation:Dept of Biological Sciences, University College of Wales, Abervstwyth, Dyfed SY23 3DA, UK.
Abstract:
A variety of plant hormone response mutants has now been described, and is surveyed in this article. In addition to hormone-insensitive mutant phenotypes with defects in hormone-related features, there exist mutants apparently constitutive for the gibberellin responses, and also a mutant hyper-responsive to gibberellin. Although there is still little biochemical evidence on the nature of these mutants, the emerging picture of their genetic dominance relationships has given rise to tentative suggestions of the involvement of represser functions in hormonal control systems.
Keywords:Abscisic acid    auxin    cytokinin    ethylene    gibberellin    plant growth regulators    mutants
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