Hormone Action in Plant Development — A Critical Appraisal

1st Edition - July 6, 1987
Authors: G. V. Hoad, J. R. Lenton, M. B. Jackson
Language: English
eBook ISBN:
9 7 8 - 1 - 4 8 3 1 - 6 2 8 8 - 1

Hormone Action in Plant Development - A Critical Appraisal documents the proceedings of the Tenth Long Ashton Symposium, September 1986. The symposium was convened to assess the… Read more

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Hormone Action in Plant Development - A Critical Appraisal documents the proceedings of the Tenth Long Ashton Symposium, September 1986. The symposium was convened to assess the evidence for and against the view that plant hormones are endogenous regulators of plant development. The meeting also aimed to focus on and assess promising strategies for future research. The symposium opened with the Douglas Wills Lecture, given by Professor Carl Leopold. In many respects, progress in research on animal hormones seems greater than in the plant sciences and there may well be merit in following progress in animal hormone research as suggested by Professor Leopold. The symposium was comprised of four sessions. The introductory session considered the coordinating role of hormones in plant growth and development, and focused on hormone action at the molecular level, including their binding to receptors and their control of gene expression. The next two sessions embraced contributions on the experimental manipulation of development by genetic (notably by biochemical mutants), chemical (for example, with gibberellin/biosynthesis inhibitors), and environmental (including drought stress) means. All these approaches consolidated the central importance of hormones in plant growth. In the final session, three speakers suggested some promising avenues for future research into the physiology, biochemistry, and molecular biology of plant hormones.

PrefaceParticipants in the SymposiumDouglas Wills Inaugural Lecture Contemplation on Hormones as Biological RegulatorsSection I Conceptual Framework-from the Whole Plant to the Molecular Sensitivity and Sensory Adaptation in Growth Substance Responses Requirements for Hormone Involvement in Development at Different Levels of Organization Hormone Receptor Sites and the Study of Plant Development Do Plant Hormones Regulate Gene Expression during Development?Section II Genetical Probing of Hormone Action in Development Gibberellin Deficient Mutants of Maize and Pea and the Molecular Basis of Gibberellin Action Use of Genotypes Differing in Endogenous Abscisic Acid Levels in Studies of Physiology and Development Genetic Variants as Aids to Examine the Significance of Ethylene in Development Cytokinin GenesSection III Chemical and Environmental Probes in Studies of Hormones The Use of Inhibitors of Gibberellin and Sterol Biosynthesis to Probe Hormone Action Gibberellin Insensitivity and Depletion in Wheat-Consequences for Development Manipulation of Hormone Transport in Physiological and Developmental Studies Are Hormones Involved in Assimilate Transport? A Structured Evaluation of the Involvement of Ethylene and Abscisic Acid in Plant Responses to Aeration Stress Hormones as Chemical Signals Involved in Root to Shoot Communication of Effects of Changes in the Soil Environment Hormone Involvement in Daylength and Vernalization Control of Reproductive Development Tropisms as Indicators of Hormone-Mediated Growth Phenomena Hormones and Plant Tropisms-the Degeneration of a Model of Hormonal ControlSection IV Review and Forward Look Physiological Considerations in Developmental Studies: Hormones and Target Cells Biochemical Considerations in Developmental Studies Molecular Approaches for the Manipulation of Developmental Processes in PlantsPoster Papers Presented at the SymposiumSubject Index