期刊
TRENDS IN PLANT SCIENCE
卷 11, 期 12, 页码 574-580出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2006.10.004
关键词
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Ecologists have long searched for an explanation as to why some plant invaders become much more dominant in their naturalized range than in their native range, and, accordingly, several non-exclusive ecological hypotheses have been proposed. Recently, a biochemical explanation was proposed - the 'novel weapons hypothesis' - based on findings that Centaurea diffusa and Centaurea maculosa produce bioactive compounds (weapons) that are more active against nalive plant species in the introduced range than against co-evolved species in the native range. In this Opinion article, we revise and expand this biochemical hypothesis and discuss experimental and conceptual advances and limitations.
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