Root to shoot communication of the effects of soil drying, flooding or increase salinity. A case for the involvement of plant growth regulators in a multiple chemical signal

  • W. J. Davies
  • P. G. Blackman
  • T. R. Lodge
  • Alexandra Rosa da Costa
  • Jane Metcalfe
Part of the NATO ASI Series book series (volume 15)


The discovery of the first plant growth regulators in the 1930s arose out of enormous interest in the control of growth and development of plants. This interest continues today but there is still considerable uncertainty about the biosynthesis of growth regulators and their roles in plants. Nevertheless we are aware that environmental stresses can have significant effects on synthesis and metabolism. For example, very large increases in the endogenous content of abscisic acid (ABA) are promoted by increasing water deficit and by flooding. These observations, (reported in 1969 by Wright and co-workers at Wye College in the U.K.) probably more than any other single piece of work, stimulated interest in a link between stress, plant growth regulators and the growth and development of plants.


Water Deficit Abscisic Acid Plant Growth Regulator Vapour Pressure Deficit Leaf Water Potential 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1987

Authors and Affiliations

  • W. J. Davies
    • 1
  • P. G. Blackman
    • 1
  • T. R. Lodge
    • 1
  • Alexandra Rosa da Costa
    • 1
  • Jane Metcalfe
    • 1
  1. 1.Department of Biological SciencesUniversity of LancasterLancasterUK

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