International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
GIANT RAGWEED (Ambrosia trifida)

with GROUP B/2 resistance: (INHIBITION OF ACETOLACTATE SYNTHASE )
Inhibition of Acetolactate Synthase
MUTATION: TRYPTOPHAN 574 to LEUCINE







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Chemical FamilyExample HerbicideResistance Level
ImidazolinonesImazethapyr Resistant > 10 fold
Pyrimidinyl benzoates Bispyribac-Na Not Determined
SulfonylureasChlorsulfuron Resistant > 10 fold
Triazolopyrimidine - Type 1 Chloransulam-methyl Resistant > 10 fold
Triazolinones Flucarbazone-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.  Tuesday, December 10, 2024 .  Available  www.weedscience.org
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