The current climatic changes mean increasing environmental stress on plants: gaseous pollutants such as carbon dioxide, sulphur dioxide, ozone and oxides of nitrogen, together with the impacts of flooding and submergence, drought and cold. The physiological, biochemical and molecular biological bases of injury to plants and their adaptations to this stress are discussed in this volume. The importance of the combined effects of more than one type of stress is emphasized, e.g. increased ultraviolet (UVB) radiation exacerbating injury from drought or offsetting beneficial effects of increases in atmospheric carbon dioxide. The prospects for improving tolerance to environmental stress by genetic engineering are assessed and some examples of recent progress described.
--This text refers to an alternate
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