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An assessment, using a modelling approach, of inbreeding as a possible cause of reduced competitiveness in triazine-resistant weeds

Madden, A.D. (1995) An assessment, using a modelling approach, of inbreeding as a possible cause of reduced competitiveness in triazine-resistant weeds. Weed Research, 35 (4). pp. 289-294. ISSN 1365-3180

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Abstract

1. It is widely assumed that organisms which evolve resistance to a triazine suffer from a fitness deficit in the absence of that herbicide. Arguments for this view are examined, and the published evidence is discussed.

2. A simple model is developed to examine the genetics of resistance in triazine-resistant plants, based on the assumption that there is a founder effect operating. The model examines the hypothesis that the extent to which plants in the sprayed population are related will increase rapidly under continual selection, even when there is a significant input of genes from non-selected populations.

3. The possible consequences of the above hypothesis on the validity of competition experiments are discussed.

Item Type: Article
Copyright, Publisher and Additional Information: Copyright © 1995 European Weed Research Society
Keywords: Herbicide resistance, population genetics, triazine
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Social Sciences (Sheffield) > Information School (Sheffield)
Depositing User: Andrew D. Madden
Date Deposited: 19 Sep 2005
Last Modified: 23 Jun 2014 17:20
Published Version: http://dx.doi.org/10.1111/j.1365-3180.1995.tb01791...
Status: Published
Publisher: Wiley-Blackwell
Refereed: Yes
Identification Number: 10.1111/j.1365-3180.1995.tb01791.x
URI: http://eprints.whiterose.ac.uk/id/eprint/634

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