Publications

Get the latest on leading weeds research

Working across a wide area of crop weed research, AHRI has produced a number of publications. View the latest publications below, or search with the filter.

Multiple metabolic enzymes can be involved in cross-resistance to 4‑Hydroxyphenylpyruvate-Dioxygenase-inhibiting herbicides in wild radish

Overexpression of the multiple herbicide-metabolizing genes could contribute to HPPD-inhibiting herbicide resistance in this wild radish population.

Metabolic resistance to acetolactate synthase inhibitors in Beckmannia syzigachne: identification of CYP81Q32 and its transcription regulation

Dr Qin Yu and Professor Lang Pan

This study reveals the evolution of an herbicide-metabolizing and resistance-endowing P450 and its transcription regulation in an economically important weedy plant species.

Segmentation of sandplain lupin weeds from morphologically similar narrow-leafed lupins in the field

Researchers successfully trained a segmentation model to detect sandplain lupins and differentiate them from narrow-leafed lupins under field conditions.

Sensitivity of herbicide-resistant Rigid Ryegrass (Lolium rigidum) populations to cinmethylin, a new herbicide site of action

Geide Figueiredo

Rigid ryegrass (Lolium rigidum Gaudin) is the most problematic weed in Australia, with evolved resistance to multiple herbicide sites of action. Selection pressure by cinmethylin (Group 30, a fatty acid thioesterase inhibitor) has been limited because few populations have been exposed to the herbicide since its introduction in 2019. In this study, we examined the sensitivity of L. rigidum populations to this new herbicide.

Aldo-keto reductase may contribute to glyphosate resistance in Lolium rigidum

Dr Qin Yu and Dr Heping Han

We have previously demonstrated that an aldo-keto reductase (AKR) from Echinochloa colona (EcAKR4-1) can metabolize glyphosate and confers glyphosate resistance. This study aims to investigate if the EcAKR4-1 orthologs from Lolium rigidum also play a role in glyphosate resistance in non-target-site based, glyphosate-resistant (R) L. rigidum populations from Western Australia.

Challenging glyphosate resistance EPSPS P106S and TIPS mutations with soybean competition and glyphosate: implications for management

Dr Qin Yu and Dr Heping Han

Experiments were conducted to evaluate the single effect of soybean competition and its combined effect with a glyphosate field dose (1,080 g a.e. ha-1) on the growth and fitness of plants carrying glyphosate resistance endowing target site mutations.

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