Ecological long-term effects of cultigens becoming feral and of naturalization of non-native species

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Journal Cellular and Molecular Life Sciences (CMLS)
Publisher Birkhäuser Basel
ISSN 1420-682X (Print) 1420-9071 (Online)
Issue Volume 49, Number 3 / March, 1993
Category Multi-author Reviews
DOI 10.1007/BF01923528
Pages 210-218
Subject Collection Biomedical and Life Sciences
SpringerLink Date Monday, August 01, 2005

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Multi-author Reviews
Gene Technology and Biodiversity
Ecological long-term effects of cultigens becoming feral and of naturalization of non-native species

H. Sukopp1 and U. Sukopp1
(1) Institut für Ökologie, Technische Universität Berlin, Schmidt-Ott-Str. 1, D-1000 Berlin 41, (Germany)

Abstract Transgenic cultigens may become feral as we know of some non-transgenic cultigens. The article explains two basic ways how cultigens become feral: through hybridization with a closely related wild plant and through revert to the wild-type. A long list of examples of cultigens becoming feral in Central Europe is presented. The process of becoming feral is compared to the naturalization of non-native species (lsquoExotic Species Modelrsquo). Ecological long-term effects of both cultigens becoming feral and non-native species being naturalized are discussed with special regard to the predictability of such events. The ecological aspects discussed in the article are as significant for transgenic cultigens as for non-transgenic cultigens.

Key words Cultigens - hybridization - becoming feral - non-native species - naturalization - transgenic cultigens - deliberate release - ecological long-term effects

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