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Origin, mechanism and molecular basis of weed resistance to herbicides

Author

Listed:
  • Daniela Chodová

    (Division of Phytomedicine, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic)

  • Jan Mikulka

    (Division of Phytomedicine, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic)

  • Marie Kočová

    (Division of Phytomedicine, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic)

  • Jaroslav Salava

    (Division of Phytomedicine, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic)

Abstract

This review summarises information from the literature and experimental experience of the authors in research on weed resistance to herbicides. Factors conditioning the origin of resistance are described. The origin of resistant weeds to nine active ingredients with a different mode of action is presented chronologically, and the distribution of resistant weeds around the world outlined. The fundamental modes of action: reduction of the target site sensitivity, so-called "target site resistance", and the mode by which a herbicide is metabolised into inactive products, are listed. Function and genetic modifications of target sites of selected herbicides are described. Czech biotypes of resistant weeds with a mutation at codon 264 of the psbA gene encoding the D1 protein and at codon 574 of the acetolactate synthase gene are presented.

Suggested Citation

  • Daniela Chodová & Jan Mikulka & Marie Kočová & Jaroslav Salava, 2004. "Origin, mechanism and molecular basis of weed resistance to herbicides," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 40(4), pages 151-168.
    • Handle: RePEc:caa:jnlpps:v:40:y:2004:i:4:id:463-pps
    DOI: 10.17221/463-PPS
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