Physiological Responses to Moderate Water Stress

  • K. J. Bradford
  • T. C. Hsiao
Part of the Encyclopedia of Plant Physiology book series (PLANT, volume 12 / B)

Abstract

On a global basis, water is a paramount factor in determining the distribution of species, and the responses and adaptations of a species to water stress are critical for its success in any environmental niche. Numerous studies have reported a myriad of changes elicited by water stress. The changes observed are dependent on the species under study and on the severity, duration, and time course of the stress. Before reviewing the changes in detail, we will first present an overview of stress and responses using the stress-strain concept of physics. Next, we will discuss specific water-related parameters for quantifying plant water status and briefly consider how changes in the parameters may affect plant functions. This is followed by the main body which first reviews and analyzes selected responses to water stress and then examines the integrated adaptive behavior of whole plants.

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© Springer-Verlag Berlin · Heidelberg 1982

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  • K. J. Bradford
  • T. C. Hsiao

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