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相关概念视频

Responses to Drought and Flooding02:41

Responses to Drought and Flooding

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Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
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Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

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Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
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Water and Mineral Acquisition02:34

Water and Mineral Acquisition

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Specialized tissues in plant roots have evolved to capture water, minerals, and some ions from the soil. Roots exhibit a variety of branching patterns that facilitate this process. The outermost root cells have specialized structures called root hairs that increase the root surface, thus increasing soil contact. Water can passively cross into roots, as the concentration of water in the soil is higher than that of the root tissue. Minerals, in contrast, are actively transported into root cells.
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Gravitropism: Plant Responses to Gravity
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Primary and Secondary Growth in Roots and Shoots03:02

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Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.
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Responses to Salt Stress02:02

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Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
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相关实验视频

Updated: Jun 26, 2025

A Simple Protocol for Mapping the Plant Root System Architecture Traits
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干旱应对中的作物根系架构.

Yanjun Zhang1, Xi Wu2, Xingrong Wang3

  • 1College of Agronomy, Gansu Agricultural University, Lanzhou, Gansu 730070, China; State Key Laboratory of Aridland Crop Science, Gansu Agricultural University, Lanzhou, Gansu 730070, China; Crop Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou, Gansu 730070, China; Key Laboratory of Crop Gene Resources and Germplasm Innovation in Northwest Cold and Arid Regions, Ministry of Agriculture and Rural Affairs, Lanzhou, Gansu 730070, China.

Journal of genetics and genomics = Yi chuan xue bao
|May 9, 2024
PubMed
概括
此摘要是机器生成的。

提高作物抗旱能力 (DR) 对粮食安全至关重要. 通过基因操纵优化根系架构 (RSA) 提高了水的吸收,并加强了作物的抗旱能力,提供了一个有前途的育种策略.

关键词:
农作物 农作物 农作物抗旱能力 抗旱能力基因改进是一种基因改进.根系统架构 根系统架构

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A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant&#8211;Environment Interactions
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相关实验视频

Last Updated: Jun 26, 2025

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A Telemetric, Gravimetric Platform for Real-Time Physiological Phenotyping of Plant&#8211;Environment Interactions
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科学领域:

  • 农业科学 农业科学
  • 植物生物学 植物生物学
  • 遗传学 是一个遗传学.

背景情况:

  • 干旱通过减少作物产量,对全球农业和粮食安全产生重大影响.
  • 提高作物抗旱能力 (DR) 是一个关键的全球挑战.
  • 根系架构 (RSA) 是水和营养吸收的关键,影响应激弹性.

研究的目的:

  • 审查作物RSA在干旱耐受性中的作用.
  • 总结最近在操纵RSA相关基因以提高抗旱能力方面的进展.
  • 提出一个最佳的RSA配置,以改善作物DR.

主要方法:

  • 关于RSA组合和功能的文献综述.
  • 对对干旱耐受性进行RSA操纵的最近遗传研究的分析.
  • 综合当前的研究,提出最佳的RSA特征.

主要成果:

  • 最佳的RSA增强了水和营养的吸收,这对作物在干旱下生存至关重要.
  • 与RSA相关的基因的基因操纵显示了改善干旱耐受性的潜力.
  • 建议采用特定的RSA配置,以最大限度地提高作物DR.

结论:

  • 通过基因改进准RSA是一种可行的策略,用于培育抗旱作物.
  • 需要进一步的研究来克服通过RSA操纵开发增强DR作物的挑战.
  • 优化RSA对保护全球粮食安全免受干旱带来了重大前景.