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Fungal endophyte increases the allelopathic effects of an invasive forb
Aschehoug, ET; Callaway, RM; Newcombe, G; Tharayil, N; Chen, SY(陈书燕); Aschehoug, ET (reprint author), Univ Montana, Div Biol Sci, Missoula, MT 59812 USA.
2014-05
Source PublicationOECOLOGIA   Impact Factor & Quartile
ISSN0029-8549
Volume175Issue:1Pages:285-291
AbstractEndophytic plant symbionts can have powerful effects on the way their hosts interact with pathogens, competitors, and consumers. The presence of endophytes in plants can alter food webs, community composition and ecosystem processes, suggesting that endophyte-plant symbioses may represent unique forms of extended phenotypes. We tested the impact of the fungal endophyte Alternaria alternata (phylotype CID 120) on the allelopathic effect of the invasive forb Centaurea stoebe when in competition with the North American native bunchgrass Koeleria macrantha in a greenhouse competition experiment. The allelopathic effect of C. stoebe on K. macrantha when infected with the fungal endophyte was more than twice that of endophyte-free C. stoebe. However, this allelopathic effect was a small part of the very large competitive effect of C. stoebe on K. macrantha in all treatments, likely because of the priority effects in our experimental design. To our knowledge, these results are the first experimental evidence for a symbiotic relationship between plants and fungal endophytes affecting allelopathic interactions between competing plants, and thus provide insight into the mechanisms by which fungal endophytes may increase the competitive ability of their hosts.
KeywordAlternaria Centaurea Community Competition Mutualism
Subject AreaEnvironmental Sciences & Ecology
PublisherSPRINGER
DOI10.1007/s00442-014-2891-0
Publication PlaceNEW YORK
Indexed BySCIE
Language英语
First Inst
Funding Project国家自然科学基金项目
Project NumberNational Natural Science Foundation of China [31000178, 31000203, 31230014] ; NSF EPSCoR [EPS-1101342]
WOS IDWOS:000334691600026
Funding OrganizationNSFC
SubtypeArticle
Department[Aschehoug, Erik T.;
Callaway, Ragan M.;
Chen, Shuyan] Univ Montana, Div Biol Sci, Missoula, MT 59812 USA;
[Aschehoug, Erik T.] N Carolina State Univ, Dept Biol Sci, Raleigh, NC 27695 USA;
[Newcombe, George] Univ Idaho, Forest Resources Program, Moscow, ID 83844 USA;
[Tharayil, Nishanth] Clemson Univ, Sch Agr Forest & Environm Sci, Clemson, SC 29634 USA;
[Chen, Shuyan] Lanzhou Univ, Sch Life Sci, Key Lab Arid & Grassland Agroecol, Lanzhou 730000, Peoples R China
Citation statistics
Cited Times:51[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/115442
Collection生命科学学院
Corresponding AuthorAschehoug, ET (reprint author), Univ Montana, Div Biol Sci, Missoula, MT 59812 USA.
Recommended Citation
GB/T 7714
Aschehoug, ET,Callaway, RM,Newcombe, G,et al. Fungal endophyte increases the allelopathic effects of an invasive forb[J]. OECOLOGIA,2014,175(1):285-291.
APA Aschehoug, ET,Callaway, RM,Newcombe, G,Tharayil, N,Chen, SY,&Aschehoug, ET .(2014).Fungal endophyte increases the allelopathic effects of an invasive forb.OECOLOGIA,175(1),285-291.
MLA Aschehoug, ET,et al."Fungal endophyte increases the allelopathic effects of an invasive forb".OECOLOGIA 175.1(2014):285-291.
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