International Survey of Herbicide-Resistant Weeds

Countries Weeds Herbicides Mutations Graphs References Researchers
CORN POPPY (Papaver rhoeas)

with GROUP B/2 resistance: (ALS INHIBITORS)
Inhibition of acetolactate synthase ALS (acetohydroxyacid synthase AHAS)

If we do not have a picture for this weed, or you can provide a better picture (scan, digital camera etc) please please e-mail it to us.

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


This case was entered by Patrick Tranel Email:
PERMISSION MUST BE OBTAINED FIRST if you intend to base a significant portion of a scientific paper on data derived from this site.
Cite this site as: Heap, I.  The International Survey of Herbicide Resistant Weeds.  Online.  Internet.  Wednesday, October 26, 2016 .  Available
Copyright © 1993- 2016 All rights reserved. Fair use of this material is encouraged. Proper citation is requested.