Weed resistance to synthetic auxin herbicides

Roberto Busi, Danica E. Goggin, Ian M. Heap, Michael J. Horak, Mithila Jugulam, Robert A. Masters, Richard M. Napier, Dilpreet S. Riar, Norbert M. Satchivi, Joel Torra, Phillip Westra, Terry R. Wright

    Research output: Contribution to journalConference articlepeer-review

    106 Citations (Scopus)


    Herbicides classified as synthetic auxins have been most commonly used to control broadleaf weeds in a variety of crops and in non-cropland areas since the first synthetic auxin herbicide (SAH), 2,4-D, was introduced to the market in the mid-1940s. The incidence of weed species resistant to SAHs is relatively low considering their long-term global application with 30 broadleaf, 5 grass, and 1 grass-like weed species confirmed resistant to date. An understanding of the context and mechanisms of SAH resistance evolution can inform management practices to sustain the longevity and utility of this important class of herbicides. A symposium was convened during the 2nd Global Herbicide Resistance Challenge (May 2017; Denver, CO, USA) to provide an overview of the current state of knowledge of SAH resistance mechanisms including case studies of weed species resistant to SAHs and perspectives on mitigating resistance development in SAH-tolerant crops.

    Original languageEnglish
    Pages (from-to)2265-2276
    Number of pages12
    JournalPest Management Science
    Issue number10
    Publication statusPublished - 1 Oct 2018
    Event2nd Global Herbicide Resistance Challenge 2017 - Denver, United States
    Duration: 14 May 201718 May 2017


    Dive into the research topics of 'Weed resistance to synthetic auxin herbicides'. Together they form a unique fingerprint.

    Cite this