Integrating novel chemical weapons and evolutionarily increased competitive ability in success of a tropical invader

© 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 205(2015), 3 vom: 15. Feb., Seite 1350-1359
1. Verfasser: Zheng, Yu-Long (VerfasserIn)
Weitere Verfasser: Feng, Yu-Long, Zhang, Li-Kun, Callaway, Ragan M, Valiente-Banuet, Alfonso, Luo, Du-Qiang, Liao, Zhi-Yong, Lei, Yan-Bao, Barclay, Gregor F, Silva-Pereyra, Carlos
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Chromolaena odorata aboveground and soil-borne enemies allelochemicals enemy suppression evolution of increased competitive ability (EICA) intraspecific competition invasion mehr... novel weapons hypothesis Sesquiterpenes odoratin 6902-72-3
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500 |a CommentIn: New Phytol. 2015 Feb;205(3):958-60. - PMID 25580651 
500 |a Citation Status MEDLINE 
520 |a © 2014 The Authors. New Phytologist © 2014 New Phytologist Trust. 
520 |a The evolution of increased competitive ability (EICA) hypothesis and the novel weapons hypothesis (NWH) are two non-mutually exclusive mechanisms for exotic plant invasions, but few studies have simultaneously tested these hypotheses. Here we aimed to integrate them in the context of Chromolaena odorata invasion. We conducted two common garden experiments in order to test the EICA hypothesis, and two laboratory experiments in order to test the NWH. In common conditions, C. odorata plants from the nonnative range were better competitors but not larger than plants from the native range, either with or without the experimental manipulation of consumers. Chromolaena odorata plants from the nonnative range were more poorly defended against aboveground herbivores but better defended against soil-borne enemies. Chromolaena odorata plants from the nonnative range produced more odoratin (Eupatorium) (a unique compound of C. odorata with both allelopathic and defensive activities) and elicited stronger allelopathic effects on species native to China, the nonnative range of the invader, than on natives of Mexico, the native range of the invader. Our results suggest that invasive plants may evolve increased competitive ability after being introduced by increasing the production of novel allelochemicals, potentially in response to naïve competitors and new enemy regimes 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Research Support, U.S. Gov't, Non-P.H.S. 
650 4 |a Chromolaena odorata 
650 4 |a aboveground and soil-borne enemies 
650 4 |a allelochemicals 
650 4 |a enemy suppression 
650 4 |a evolution of increased competitive ability (EICA) 
650 4 |a intraspecific competition 
650 4 |a invasion 
650 4 |a novel weapons hypothesis 
650 7 |a Sesquiterpenes  |2 NLM 
650 7 |a odoratin  |2 NLM 
650 7 |a 6902-72-3  |2 NLM 
700 1 |a Feng, Yu-Long  |e verfasserin  |4 aut 
700 1 |a Zhang, Li-Kun  |e verfasserin  |4 aut 
700 1 |a Callaway, Ragan M  |e verfasserin  |4 aut 
700 1 |a Valiente-Banuet, Alfonso  |e verfasserin  |4 aut 
700 1 |a Luo, Du-Qiang  |e verfasserin  |4 aut 
700 1 |a Liao, Zhi-Yong  |e verfasserin  |4 aut 
700 1 |a Lei, Yan-Bao  |e verfasserin  |4 aut 
700 1 |a Barclay, Gregor F  |e verfasserin  |4 aut 
700 1 |a Silva-Pereyra, Carlos  |e verfasserin  |4 aut 
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