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A neglected alliance in battles against parasitic plants: arbuscular mycorrhizal and rhizobial symbioses alleviate damage to a legume host by root hemiparasitic Pedicularis species
Sui, Xiao-Lin1; Zhang, Ting1,2; Tian, Yu-Qing1,2; Xue, Rui-Juan1; Li, Ai-Rong1
2019
Source PublicationNEW PHYTOLOGIST
ISSN0028-646X
Volume221Issue:1Pages:470-481
Abstract

Despite their ubiquitous distribution and significant ecological roles, soil microorganisms have long been neglected in investigations addressing parasitic plant-host interactions. Because nutrient deprivation is a primary cause of host damage by parasitic plants, we hypothesized that beneficial soil microorganisms conferring nutrient benefits to parasitized hosts may play important roles in alleviating damage. We conducted a pot cultivation experiment to test the inoculation effect of an arbuscular mycorrhizal fungus (Glomus mosseae), a rhizobium (Rhizobium leguminosarum) and their interactive effects, on alleviation of damage to a legume host (Trifolium repens) by two root hemiparasitic plants with different nutrient requirements (N-demanding Pedicularis rex and P-demanding P. tricolor). Strong interactive effects between inoculation regimes and hemiparasite identity were observed. The relative benefits of microbial inoculation were related to hemiparasite nutrient requirements. Dual inoculation with the rhizobium strongly enhanced promotional arbuscular mycorrhizal effects on hosts parasitized by P. rex, but reduced the arbuscular mycorrhizal promotion on hosts parasitized by P. tricolor. Our results demonstrate substantial contribution of arbuscular mycorrhizal and rhizobial symbioses to alleviating damage to the legume host by root hemiparasites, and suggest that soil microorganisms are critical factors regulating host-parasite interactions and should be taken into account in future studies.

KeywordArbuscular Mycorrhizal (Am) Fungi Dual Inoculation Legume Host Multi-species Interaction Nutritional Symbioses Pedicularis Rhizobia Root Hemiparasitic Plant
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/63590
Collection中国科学院昆明植物研究所
Corresponding AuthorLi, Ai-Rong
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Yunnan Key Lab Wild Plant Resources, Dept Econ Plants & Biotechnol, Kunming 650201, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Sui, Xiao-Lin,Zhang, Ting,Tian, Yu-Qing,et al. A neglected alliance in battles against parasitic plants: arbuscular mycorrhizal and rhizobial symbioses alleviate damage to a legume host by root hemiparasitic Pedicularis species[J]. NEW PHYTOLOGIST,2019,221(1):470-481.
APA Sui, Xiao-Lin,Zhang, Ting,Tian, Yu-Qing,Xue, Rui-Juan,&Li, Ai-Rong.(2019).A neglected alliance in battles against parasitic plants: arbuscular mycorrhizal and rhizobial symbioses alleviate damage to a legume host by root hemiparasitic Pedicularis species.NEW PHYTOLOGIST,221(1),470-481.
MLA Sui, Xiao-Lin,et al."A neglected alliance in battles against parasitic plants: arbuscular mycorrhizal and rhizobial symbioses alleviate damage to a legume host by root hemiparasitic Pedicularis species".NEW PHYTOLOGIST 221.1(2019):470-481.
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