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Australian Herbicide Resistance Initiative (AHRI)

Publications

Working in a number of research areas, AHRI has produced a large number of publications which are available to download. View the latest publications below, or search with the filter.

LATEST PUBLICATIONS

Martina Badano

Rapid On-Farm Testing of Resistance in Lolium rigidum to Key Pre- and Post-Emergence Herbicides

Lolium rigidum (annual ryegrass) is a species that is prone to evolve resistance to a wide range of herbicide modes of action. Rapid detection of herbicide-resistant weed populations in the field can aid farmers to optimize the use of effective herbicides for their control.

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Pyroxasulfone-Resistant Annual Ryegrass (Lolium rigidum) Has Enhanced Capacity for Glutathione Transferase-Mediated Pyroxasulfone Conjugation

The herbicide pyroxasulfone was widely introduced in 2012, and cases of evolved resistance in weeds such as annual ryegrass (Lolium rigidum Gaud.) and tall waterhemp [Amaranthus tuberculatus (Moq.) Sauer] have started to emerge.

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Herbicide resistance across the Australian continent

For the first time, resistance levels to stand-alone herbicides and binary mixtures are geographically ranked
across the Australian continent by benchmark statistical analysis of resistance frequencies and distribution. The extension of
these results will raise awareness of rapidly emerging patterns of herbicide resistance, encouraging the adoption of
cost-effective modes of action and integration of diverse strategies for weed resistance management.

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