Herbicide resistance mechanisms

Understanding the biochemistry of herbicide resistance

Plants are engaged in constant chemical warfare with the world around them, and weeds are no exception. This research program investigates how crop weeds modify the herbicides that they encounter, and whether this can lead to metabolic herbicide resistance.

With the recent introduction of new herbicides for control of annual ryegrass, we are currently focusing on the fate of pre-emergence herbicides in resistant weed populations identified in AHRI’s Herbicide Evolution and Technology program.

The Herbicide Resistance Mechanisms team is led by Dr Danica Googin.

Capeweed

EPSPS target site mechanisms confer glyphosate resistance in Arctotheca calendula

AHRI wild radish grow trials

Bixlozone resistance – it’s all about what the plant doesn’t do!

Bixlozone test

Bixlozone Metabolism in Crop and Weed Species: A basis for selectivity and evolved resistance

How prosulfocarb and trifluralin interact for a winning combination

A novel mutation in SoIAA20 confers cross-resistance to 2,4-Dichlorophenoxyacetic acid and other auxinic herbicides in Sonchus oleraceus

Characterisation of low-level pyrasulfotole resistance and the role of herbicide translocation in wild radish (Raphanus raphanistrum)

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