Australian Herbicide Resistance Initiative (AHRI)

Zone: L4

weed infestation Chart

The percentage of paddocks in L4 that contain the listed weed species (ryegrass, wild radish, wild oat, brome grass and barley grass) in each survey year (2003 and 2010). Note that brome and barley grass were surveyed for the first time in 2010.

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For the herbicide resistance status of each weed species in zone L4, please follow the links under “Further information” in the sidebar.