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[1]樊利华 周星梅 吴淑兰 向君 钟晓燕 唐雪滋 王彦杰**.干旱胁迫对植物根际环境影响的研究进展*[J].应用与环境生物学报,2019,25(05):1-12.[doi:10.19675/j.cnki.1006-687x.2018.12037]
 FAN Lihua,ZHOU Xingmei,WU Shulan,et al.Advances in research on the effects of drought stress on plant rhizosphere environments *[J].Chinese Journal of Applied & Environmental Biology,2019,25(05):1-12.[doi:10.19675/j.cnki.1006-687x.2018.12037]
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干旱胁迫对植物根际环境影响的研究进展*()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
25卷
期数:
2019年05期
页码:
1-12
栏目:
研究论文
出版日期:
2019-10-31

文章信息/Info

Title:
Advances in research on the effects of drought stress on plant rhizosphere environments *
作者:
樊利华1 周星梅2 吴淑兰1 向君1 钟晓燕1 唐雪滋1 王彦杰1**
1四川师范大学生命科学学院 成都 610100
2中国科学院山地生态恢复与生物资源利用重点实验室,生态恢复与生物多样性保育四川省重点实验室,中国科学院成都生物研究所 成都 610041
Author(s):
FAN Lihua1 ZHOU Xingmei2 WU Shulan1 XIANG Jun 1 ZHONG Xiaoyan1 TANG Xuezi1 & WANG Yanjie 1**
1 College of Life Science, Sichuan Normal University, Chengdu 610100, China
2 CAS Key Laboratory Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
关键词:
干旱胁迫根际根系分泌物土壤养分土壤酶土壤微生物
Keywords:
drought stress rhizosphere root exudates soil nutrients soil enzymes soil microorganisms
DOI:
10.19675/j.cnki.1006-687x.2018.12037
摘要:
全球气候变化下频发的干旱灾害已成为一个世界范围内的重大气候问题。根际环境是植物适应极端环境的有效方式之一,因此探讨干旱胁迫下根际环境改变及其与植物抗逆性和生产力的关系,现已逐渐成为包括植物营养学、植物生理学、土壤学、微生物学等多学科的研究热点。本文在介绍干旱的严重性及根际环境的重要性的基础上,根据近年来国内外关于干旱对植物根际环境影响的研究成果,重点阐述了干旱胁迫对植物根系分泌物的组成和含量、根际土壤碳氮磷养分状况、根际土壤酶活性及根际微生物数量和种群结构的影响,结果表明干旱胁迫不仅会提高植物根系分泌物的数量、改变其组成,而且会改变根际土壤酶活性及土壤微生物群落结构多样性与功能,同时也会改变土壤养分的循环与可利用性,从而影响植物生长,且这些改变会因植物种类、植物所处发育阶段、干旱胁迫强度与时间等的不同而异;但这些研究仅从现象上对其变化趋势进行了探究,目前对其相关机理性的研究仍非常缺乏、不够系统深入。未来应结合一些现代的新技术和方法,从根际化学信号及微生物组学的细微尺度上,加强干旱胁迫及其与其他环境胁迫耦合下植物根际环境变化与机理的系统深入研究,对丰富和推进植物对干旱逆境的适应与响应机理性的认识具有重要意义。(参91)
Abstract:
Frequent droughts, caused by global climate change, have become a major global climate issue in this world. The loss caused by drought disasters is are the largest in all natural disasters. Therefore, it has gradually become a multidisciplinary research hotspot such as plant nutrition, plant physiology, soil science, and microbiology to explore the changes of plant rhizosphere environment,as one of the effective ways to adapt plants to extreme environments, under drought and its relationship with plant stress resistance and productivity. This article first introduces the severity of drought and the importance of plant rhizosphere environment. Importantly, the changes of the composition and content of root exudates as well as the status of nutrients (carbon, nitrogen and phosphorus), the activities of enzymes and the quantity and population structure of microorganisms in rhizosphere soil under drought are elaborated according to domestic and foreign research results on the effect of drought on plant rhizosphere environment in recent years, which show that drought stress changes the number and composition of plant root exudates, the enzyme activities and the diversity and function of soil microbial community structure in rhizosphere soil as well as the circulation and availability of soil nutrientse in rhizosphere soil, thus affecting plant growth, and these changes will vary depending on plant species, plant developmental stages, the intensity and duration of drought stress. However, these researches explored the trend of the change in the rhizosphere environment under drought stress only from the phenomenon, and its in-depth systematic mechanism researches are still very scarce. In the future, the in-depth systematic researches on the impact mechanism of drought stress, especially?coupled?with other environmental stresses, on plant rhizosphere environment from the fine scale of the rhizosphere chemical signal and microbiome through some new technologies and methods in modern. This is of great significance to enrich and promote the understanding of the adaptation and response mechanism of plants to drought stress.

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备注/Memo

备注/Memo:
收稿日期 Received: 2018-12-18 接受日期 Accepted: 2019-02-18
*四川省科技计划重点研发项目(18ZDYF3455)和国家自然科学基金面上项目(31470621)资助
**通讯作者 Corresponding author (E-mail: wyjilwm2015@163.com)
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更新日期/Last Update: 2019-03-13