Fitness costs and benefits of novel herbicide tolerance in a noxious weed.

  title={Fitness costs and benefits of novel herbicide tolerance in a noxious weed.},
  author={Regina S Baucom and Rodney Mauricio},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={101 36},
Glyphosate, the active ingredient in the herbicide RoundUp, has increased dramatically in use over the past decade and constitutes a potent anthropogenic source of selection. In the southeastern United States, weedy morning glories have begun to develop tolerance to glyphosate, representing a unique opportunity to examine the evolutionary genetics of a novel trait. We found genetic variation for tolerance, indicating the potential for the population to respond to selection by glyphosate… CONTINUE READING
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