Journal
PLANT PHYSIOLOGY AND BIOCHEMISTRY
Volume 190, Issue -, Pages 47-61Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.plaphy.2022.08.024
Keywords
Climate change; Cold stress; Reproductive development; Yield; Cold acclimation; Management strategies
Categories
Funding
- National Key Research and Development Program of China [2016YFD0300102]
- Chinese Academy of Agricultural Sciences
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In the context of climate change, temperature extremes are increasing worldwide. Cold stress severely limits agricultural production and different crops exhibit varying sensitivity and responses to cold stress. This review discusses the effects of cold stress on plant growth and highlights the species-specific aspect of each growth stage, particularly in rice and wheat. Crop plants have evolved cold-acclimation mechanisms and there are various management strategies to enhance crop plant tolerance to cold stress.
In the context of climate change, the magnitude and frequency of temperature extremes (low and high temperatures) are increasing worldwide. Changes to the lower extremes of temperature, known as cold stress (CS), are one of the recurrent stressors in many parts of the world, severely limiting agricultural production. A series of plant reactions to CS could be generalized into morphological, physiological, and biochemical responses based on commonalities among crop plants. However, the differing originality of crops revealed varying degrees of sensitivity to cold and, therefore, exhibited large differences in these responses among the crops. This review discusses the vegetative and reproductive growth effects of CS and highlights the species-specific aspect of each growth stage whereby the reproductive growth CS appears more detrimental in rice and wheat, with marginal yield losses. To mitigate CS negative effects, crop plants have evolved cold-acclimation mechanisms (with differing capability), characterized by specific protein accumulation, membrane modification, regulation of signaling pathways, osmotic regulation, and induction of endogenous hormones. In addition, we reviewed a comprehensive account of management strategies for regulating tolerance mechanisms of crop plants under CS.
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