Responses of plants to environmental stresses

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Academic Press, 1972 - Science - 697 pages
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Stress and strain terminology. Physical stress strain. Biological stress strain. The nature of stress injury and stress resistance. Kinds of stress tolerance. temperature stresses. Low-temperature stress - limits of tolerance. Dehydrated protoplasm. Hydrated protoplasm. Clilling injury. Chilling stress. Chilling resistance. Mechanism of chilling resistance. Low-temperature stresses - the freezing process. The freezing stress. Observations of frozen and thawed tissues. The cause of extracellular freezing. Eutectic points. The double freezing point. Freezing injury. Occurrence. Primary direct freezing injury. The time factor as evidence of the kind of injury. The moment of freezing injury. Primary indirect freezing injury. Secondary freezing injury. Freezing resistance. Possible types of resistance. Measurement of freezing tolerance. Changes in freezing tolerance. The nature of freezing tolerance. Factors related to freezing tolerance. Morphological, Anatomical and physiological factors. Resistance induced by applied substances. Theories of freezing injury and resistance. Secondary freeze-induced dehydration injury. Molecular basis of freezing injury and tolerance. The SH hypothesis. Molecular aspects of membrane damage. The mechanism of hardening. High-temperature or heat stress. Heat resistance. Water stress. Water deficit (or drought) stress. Drought avoidance. Drought tolerance. The measurement of drought resistance. Radiation stresses. Radiation stress - visible and ultraviolet radiation. Ionizing radiations. Salts and other stresses. Salt and ion stresses. Miscellaneous stresses. Interrelations. Comparative stress responses.

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Contents

B Biological Stress and Strain
3
The Nature of Stress Injury and Resistance
9
Kinds of Stress Tolerance
16
Copyright

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