Abstract
The morphologic traits of plants that prevent drought are part of what is known as a xeromorphic structure or organization. Some of them save water, and others use water. Thus, only a few of these traits are likely to be found in water savers, while most of them are found among water consumers. These characteristics are more common in sun-exposed leaves than in the ones that are exposed to shade and in the lower ones. Plants respond to environmental stimuli making differences in behavior, morphology, anatomy, physiology, phenology, and reproductive organs. Related to stress resistance, adaptations that are of vital importance include aspects that prevent the destruction of vital vegetative tissues as well as the extensive production and proliferation of reproductive organs. There are two mechanisms for stress avoidance in plants: Tension avoidance and stress tolerance are types of stress resistance in which plants reach thermodynamic equilibrium without being damaged by stress. Plants are equipped with a “stress tolerance” method (interacting with stress) and are able to prevent, reduce, or repair stress-induced strain. Two characteristics that enable the plant to escape drought and produce remarkable performance are (1) phenologic development speed and (2) formability in terms of developmental stages.
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Hemati, A., Mofidi-Chelan, M., Amirifar, A., Moghiseh, E., Asgari Lajayer, B. (2022). Drought Tolerance Mechanisms in Crop Plants. In: Vaishnav, A., Arya, S., Choudhary, D.K. (eds) Plant Stress Mitigators. Springer, Singapore. https://doi.org/10.1007/978-981-16-7759-5_19
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