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Catalogue: GRDC Updates (West)
KEYMESSAGES Most pre emergent herbicides gave adequate annual ryegrass control under dry seeding apart from Trifluralin which was variable... The aim of the study was to investigate weed management with pre-emergent herbicides and weed seed harvest management under a dry seeded wheat system... Effect of time of sowing and pre emergent herbicides on annual ryegrass numbers in a field in Cunderdin (where UTC indicates untreated control)...
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Catalogue: Ground Cover
Grain producers are being reminded to use the new selective pre-emergent herbicide for wheat pyroxasulfone (Sakura ) responsibly in 2013 to prolong its efficacy against resistant ryegrass... Sakura , a product from Bayer CropScience, is an important resource for controlling ryegrass populations that have already evolved widespread resistance to multiple herbicide modes of action and susceptible ryegrass populations... In a world first, prior to its commercial release in Australia, the Australian Herbicide Resistance Initiative (AHRI) - supported by the GRDC, the Australian Research Council and Kumiai Chemical Industry Co. Ltd - tested whether ryegrass could develop resistance to Sakura ...
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Catalogue: GRDC Final Reports
The objectives of the study were to determine the extent of trifluralin resistance, the risk factors resulting in trifluralin resistance and examine alternatives to trifluralin for control of annual ryegrass in wheat... Trifluralin # is widely used in no-till farming systems for the control of annual ryegrass... The simulations suggest that no-till use of trifluralin increases the risk of resistance by up to three years due to greater control of the annual ryegrass population by the herbicide...
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Catalogue: GRDC Updates (West)
P4/S9 and P2/S4 were the two most profitable sequences and, overall, the 'maximum profit - P4' philosophy had the highest mean gross margin... It is logical that those growers that have chosen to have no livestock will have no interest in trialling grazing crops... Overall, the data has indicated that for the biserrula inoculant all of the carrier's have difficulties in carrying enough live rhizobia numbers to adequately nodulate the legume hosts after 3-4 months of dry, hot soil...
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