These mutants exhibited reduced numbers of lateral roots (LRs) and partial loss of gravitropism.
这些突变体的侧根数目减少，向重性部分丧失。
Gravitropism of higher plants is one of the fundamental adoptive responses upon environmental stimuli.
重力反应是植物对环境的一种适应现象。
The responses to plant gravitropism can be divided into three stages: gravity perception, signal transduction and asymmetric growth.
植物对重力的反应过程可分为三个阶段：重力感受、信号转导和不对称生长反应。
Nowadays, studies on gravitropism and phototropism are active aspects in the field of plant physiology, many details of which have been studied.
植物的向重力性和向光性是目前植物生理学领域研究的热点，已进行了大量的研究。
Gravitropism of plant roots is one of the important factors determining the spatial pattern of root growth and thus may have a great effect on nutrient uptake.
植物根系向地性是决定根系空间生长趋势的主要因素之一，对于养分吸收具有重要影响。
Gravitropism of plant roots is one of the important factors determining the spatial pattern of root growth and thus may have a great effect on nutrient uptake.
植物根系向地性是决定根系空间生长趋势的主要因素之一，对于养分吸收具有重要影响。
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