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BYGUM – a new tool for BarnYard Grass Understanding and Management

Thornby, D. and Werth, J. (2015) BYGUM – a new tool for BarnYard Grass Understanding and Management. In: 2nd Australian Cotton Research Conference, Toowoomba.

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Weed management has become increasingly challenging for cotton growers in Australia in the last decade.
Glyphosate, the cornerstone of weed management in the industry, is waning in effectiveness as a result of the evolution of resistance in several species. One of these, awnless barnyard grass, is very common in Australian cotton fields, and is a prime example of the new difficulties facing growers in choosing effective and affordable management strategies. RIM (Ryegrass Integrated Management) is a computer-based decision support tool developed for the south-western Australian grains industry. It is commonly used there as a tool for grower engagement in weed management thinking and strategy development. We used RIM as the basis for a new tool that can fulfil the same types of functions for subtropical Australian cotton-grains farming systems. The new tool, BYGUM, provides growers with a robust means to evaluate five-year rotations including testing the economic value of fallows and fallow weed management, winter and summer cropping, cover crops, tillage, different herbicide options, herbicide resistance management, and more. The new model includes several northernregion- specific enhancements: winter and summer fallows, subtropical crop choices, barnyard grass seed bank, competition, and ecology parameters, and more freedom in weed control applications. We anticipate that BYGUM will become a key tool for teaching and driving the changes that will be needed to maintain sound weed management in cotton in the near future.

Item Type:Conference or Workshop Item (Paper)
Business groups:Crop and Food Science
Subjects:Plant culture > Field crops > Grain. Cereals
Plant pests and diseases > Weeds, parasitic plants etc
Plant pests and diseases > Pest control and treatment of diseases. Plant protection
Live Archive:21 Jul 2016 04:17
Last Modified:03 Sep 2021 16:50

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