CSP00182 - Genetically improving wheat's ability to outcompete weeds
The cost of weeds to Australian agriculture is enormous and continuing to rise with increasing crop value, and as herbicide resistance becomes increasingly widespread. Herbicides remain among the most cost-effective weed management options but herbicide resistance and the threat of few new herbicide chemistries places increasing reliance on the deployment of more weed-competitive crop varieties.
A previous GRDC project demonstrated the potential for development of weed-competitive wheat genotypes; building on that work the aims of this project are:
- to develop a robust and repeatable screening methodology for improved weed competitiveness for use in commercial breeding programs;
- to understanding of those morphological/physiological factors contributing to improved competitiveness; and
- development and release of elite spring wheat germplasm containing traits with improved competitiveness for use as parents in breeding of new weed-competitive varieties.
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Australian wheat researchers are continuing to break new ground in the quest to develop cultivars...