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Pest Manag Sci. 2010 Apr;66(4):345-8. doi: 10.1002/ps.1911.

Rapid vacuolar sequestration: the horseweed glyphosate resistance mechanism.

Author information

1
Department of Chemistry, Washington University, St Louis, MO 63130, USA.

Erratum in

  • Pest Manag Sci. 2010 May 66(5):576.

Abstract

BACKGROUND:

Glyphosate-resistant (GR) weed species are now found with increasing frequency and threaten the critically important glyphosate weed-management system [corrected].

RESULTS:

The reported (31)P NMR experiments on glyphosate-sensitive (S) and glyphosate-resistant (R) horseweed, Conyza canadensis (L.) Cronq., show significantly more accumulation of glyphosate within the R biotype vacuole.

CONCLUSIONS:

Selective sequestration of glyphosate into the vacuole confers the observed horseweed resistance to glyphosate. This observation represents the first clear evidence for the glyphosate resistance mechanism in C. canadensis.

PMID:
20063320
PMCID:
PMC3080097
DOI:
10.1002/ps.1911
[Indexed for MEDLINE]
Free PMC Article

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