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herbicide use

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Catalogue: GRDC Final Reports
The aim of the project was to provide industry with research results that would enable it to clearly understand the flow of benefits from, and the beneficiaries of, its investments in herbicide use R&D and help inform priority setting by GRDC in future investment in research into the effective and efficient use of herbicides... Benefits to growers, chemical companies and consumers were estimated for eight case studies of hypothetical research projects across four categories of herbicide-use research and development (R&D)... Any possibility of private investment by chemical companies can be discounted for the types of herbicide use R&D evaluated in this study because the ex ante benefit:cost ratio that accounts for risk about R&D outcomes would be even smaller...
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Catalogue: GRDC Updates (South)
In summary VSAP is: A summary of the key reasons for the release of the new variety, including strengths and weaknesses, and how the new variety should be managed relative to current common varieties... Overall, Total N fixed was strongly linked to dry matter production and rainfall... Overall, early removal is still likely to be the best option on heavy clay soils...
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Catalogue: GRDC Updates (North)
In summary VSAP is: A summary of the key reasons for the release of the new variety, including strengths and weaknesses, and how the new variety should be managed relative to current common varieties... Overall, Total N fixed was strongly linked to dry matter production and rainfall... Overall, early removal is still likely to be the best option on heavy clay soils...
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Catalogue: GRDC Updates
Effect of herbicides - Discs are not supported by herbicide labelling at this point so any recommendation would be considered off-label with associated liability... Work is ongoing to consider options for future labelling for herbicide use with discs... Consider timing of seeding to the conditions that will be expected a. Beans and canola sown early into dry stubble will often have less pinning issues because dry, brittle stubble is cut easier b. Cereals planted later into damp stubbles are at risk of pinning because of poor cutting performance i. Pay particular attention to maintenance of the disc as they are not as forgiving as knife-points if improperly maintained...
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Catalogue: Ground Cover
Do not rely on 'pre-ems' for ryegrass control.. Western Australian growers are advised to avoid exclusive use of pre-emergent herbicides to control annual ryegrass ( Lolium rigidum ) this season... Dr Busi said this was a clear warning of the need to diversify herbicide MOAs and he recommended using full label rates and following the optimal strategy of rotating between the three pre-emergent herbicide groups of: trifluralin and propyzamide (Group D); pyroxasulfone (Group K); and prosulfocarb and triallate (Group J)...
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Catalogue: Ground Cover
Do not rely on 'pre-ems' for ryegrass control.. Western Australian growers are advised to avoid exclusive use of pre-emergent herbicides to control annual ryegrass ( Lolium rigidum ) this season... Dr Busi said this was a clear warning of the need to diversify herbicide MOAs and he recommended using full label rates and following the optimal strategy of rotating between the three pre-emergent herbicide groups of: trifluralin and propyzamide (Group D); pyroxasulfone (Group K); and prosulfocarb and triallate (Group J)...
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Catalogue: Ground Cover
Resistance management strategies need diversity.. Presentations from the Australian Herbicide Resistance Initiative at the University of Western Australia outlined how low dose rates may accelerate herbicide resistance in annual ryegrass ( Lolium rigidium ) and wild radish ( Raphanus raphanistrum )... Madeline Tucker: effective control of barley powdery mildew would require the registration of fungicides with additional modes of action, such as the succinate dehydrogenase inhibitors, and the adoption of resistant barley varieties...
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Catalogue: GRDC Media
Landholders across Australia are being urged to get to know the standard modes of action (MOA) for herbicides as a key strategy for protecting against the evolution of resistant weed populations... Dr Chris Preston, University of Adelaide Associate Professor - weed management says understanding and rotating herbicide MOAs is crucial for protecting current herbicides... Since then all new active ingredients introduced belong to existing herbicide modes of action."..
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Catalogue: GRDC Media
Landholders across Australia are being urged to get to know the standard modes of action (MOA) for herbicides as a key strategy for protecting against the evolution of resistant weed populations... Dr Chris Preston, University of Adelaide Associate Professor - weed management says understanding and rotating herbicide MOAs is crucial for protecting current herbicides... Since then all new active ingredients introduced belong to existing herbicide modes of action."..
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