根分泌物对根际矿物营养及根际微生物的效应

被引：57

作者：

刘洪升

宋秋华

李凤民

机构：

[1] 兰州大学干旱农业生态国家重点实验室

来源：

西北植物学报 | 2002年 / 03期

关键词：

根分泌物; 根际矿物营养; 根际微生物;

D O I：

暂无

中图分类号：

Q945 [植物生理学];

学科分类号：

0903 ;

摘要：

综述了根系分泌物对植物生长的生理生态学效应 ,并就根系分泌物的定义、产生机制、组成成分和影响因素等方面进行了讨论。指出根系分泌物在缓解低矿物营养胁迫对植株造成的伤害及决定根际微生物的种群密度和数量方面起着重要的作用 ;根系分泌物的产生机制多样 ,组成成分复杂 ,影响因素繁多。对根分泌物的深入研究有助于进一步了解植物体与土壤间进行的生理生化过程及其调控机制

引用

页码：693 / 702

页数：10

共 19 条

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