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提高磷(P)效率的途径之一是选择在P胁迫下能实现高产的新的基因型植物。阐述了低P胁迫下植物根的粗细,根毛的数量和密度,侧根的数量,根系特异分泌物种类数量的差异,酸性磷酸酶活性等形态和生理方面的适应性反应,与耐低P有关的基因定位、克隆的研究进展,揭示了植物低P胁迫时的适应机制。
One of the ways to improve the efficiency of phosphorus (P) is to choose a new genotype plant that can achieve high yield under P stress. The effects of low P stress on root morphology, number and density of root hairs, number of lateral roots, differences in the number of root exudates, acid phosphatase activity and other morphological and physiological responses were described, which were related to low P tolerance Gene mapping and cloning, and revealed the mechanism of plant adaptation under low P stress.