Making Allelopathy Respectable

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Science  05 Sep 2003:
Vol. 301, Issue 5638, pp. 1337-1338
DOI: 10.1126/science.1089291

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Allelopathy, better known as plant chemical warfare, has had a checkered history in the field of ecology. Now, as Fitter explains in his Perspective, new evidence supports allelopathy as a mechanism for the successful invasion of natural habitats by exotic plant species such as the Eurasian spotted knapweed.