Cluster roots - an underground adaptation for survival in extreme environments

被引：268

作者：

Neumann, G ^{[1
]}

Martinoia, E

机构：

[1] Univ Hohenheim, Inst Planzenernahrung 330, D-70593 Stuttgart, Germany

[2] Univ Neuchatel, Inst Bot, Lab Physiol Vegetale, CH-2007 Neuchatel, Switzerland

来源：

TRENDS IN PLANT SCIENCE | 2002年 / 7卷 / 04期

关键词：

D O I：

10.1016/S1360-1385(02)02241-0

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Cluster roots are a characteristic of members of the Proteaceae and of several other plant species that are adapted to habitats of extremely low soil fertility, usually without formation of mycorrhizal associations. Functionally linked with intense mobilization of nutrients (P, Fe, Zn, Mn) by root-induced chemical changes (pH, root exudates, redox potential) in the rhizosphere, cluster-rooted plant species can serve as model plants to study rhizosphere processes and regulatory aspects of plant adaptations for chemical mobilization of nutrients in the rhizosphere.

引用

页码：162 / 167

页数：6

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