INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE

WILD OAT (Avena fatua)

with GROUP B/2 resistance: (INHIBITION OF ACETOLACTATE SYNTHASE )
Inhibition of Acetolactate Synthase
MUTATION: SERINE 653 to THREONINE







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Chemical FamilyExample HerbicideResistance Level
ImidazolinonesImazethapyr Resistant > 10 fold
Pyrimidinyl benzoates Bispyribac-Na Not Determined
SulfonylureasChlorsulfuron Not Determined
Triazolopyrimidine - Type 1 Chloransulam-methyl Not Determined
Triazolinones Flucarbazone-Na Not Determined

NOTE
The cross-resistance pattern may be obscured by the co-occurrence of non-target-site resistance in the population (see Beckie et al. 2012).

REFERENCES

This case was entered by Patrick Tranel Email: tranel@illinois.edu

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