Predicting plant response to arbuscular mycorrhizas: The role of host functional traits
文献类型: 外文期刊
第一作者: Yang, Haishui
作者: Yang, Haishui;Xu, Jianglai;Guo, Yi;Dai, Yajun;Bian, Xinmin;Koide, Roger T.;Xu, Mingmin;Bian, Liping;Zhang, Qian
作者机构:
关键词: Arbuscular mycorrhizal fungi;Growth response;Plant functional type;Meta-analysis
期刊名称:FUNGAL ECOLOGY ( 影响因子:3.404; 五年影响因子:4.647 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The arbuscular mycorrhiza (AM) is among the most ubiquitous symbiosis in the world. A meta-analysis of 759 articles (1978-2012) was conducted to test whether ecologically important host plant traits (N fixation and C-fixation pathway) affect the response of the plant to mycorrhizal colonization. We found that the effect of N-fixation on mycorrhizal growth response (MGR) depended on whether the plant was woody or a forb. N-fixing forbs had a higher MGR than non-N-fixing forbs, but the reverse was true for woody plants. Moreover, C4-grasses had significantly higher MGR than Cs-grasses, but no significant difference was found between C3 and C4 forbs, or between C3 and C4 woody species. Overall, woody species had higher MGR than any other functional group. These results demonstrate that MGR does depend on host functional characteristics, but neither N-fixation capacity nor C-fixation pathway are apparently fundamental controllers of MGR. Instead, it would appear possible that these traits influence MGR only insofar as they influence more fundamental functions such as P demand and P supply. (C) 2015 Elsevier Ltd and The British Mycological Society. All rights reserved.
分类号: Q93
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