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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

Dr Jinyi Chen

Diversity of α-tubulin transcripts in Lolium rigidum

This research reveals the complexity of the α-tubulin gene family in individuals/populations of the cross-pollinated weedy species L. rigidum, and highlights the need for better understanding of the molecular architecture of tubulin gene families for detecting resistance point mutations. Although TUA4 is a commonly expressed α-tubulin isoform containing most frequently reported resistance mutations, other mutant tubulin isoforms may also have a role in conferring dinitroaniline resistance.

Authors: Jinyi Chen, Zhizhan Chu, Heping Han, Eric Patterson, Qin Yu and Stephen Powles

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2,4-D antagonizes glyphosate-resistant barnyard grass Echinochloa colona

Glyphosate is often tank-mixed with auxinic herbicide 2,4-D for grass and broadleaf weed control. In this paper, the authors examined the possible interaction of 2,4-D and glyphosate in barnyard grass, Echinochloa colona. The results showed that 2,4-D antagonizes glyphosate remarkably in glyphosate resistant populations but only marginally in susceptible populations. This antagonism is related to reduced glyphosate uptake and (to a lesser extent) translocation. As 2,4-D has multiple, unpredictable effects on other herbicides, care must be taken when tank-mixing herbicides with 2,4-D.

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Herbicide Resistance in Plants

This Special Issue of Plants comprises papers that describe the current status and future outlook of herbicide resistance research and development in weedy and domestic plants, with topics covering the full spectrum from resistance mechanisms to resistance management.

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