International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
BARNYARDGRASS (Echinochloa crus-galli var. crus-galli)

with GROUP B/2 resistance: (ALS INHIBITORS)
Inhibition of acetolactate synthase ALS (acetohydroxyacid synthase AHAS)
MUTATION: ALANINE 122 to THREONINE







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Chemical FamilyExample HerbicideResistance Level
ImidazolinonesImazethapyr Resistant > 10 fold
PyrimidinylthiobenzoatesBispyribac-Na Susceptible
SulfonylureasChlorsulfuron Not Determined
TriazolopyrimidinesChloransulam-methyl Resistant > 10 fold
SulfonylaminocarbonyltriazolinoneFlucarbazone-Na Not Determined

REFERENCES

This case was entered by Patrick Tranel Email: tranel@illinois.edu
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Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Saturday, August 19, 2017 .  Available  www.weedscience.org
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