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fleabane control

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Catalogue: GRDC Research Summaries
Within the next year, we envisage that a range of highly effective products will be registered and then can be promoted more widely... The expected outcomes are: More consistently reliable and effective control tactics for fleabane in crops and fallows developed, using in-depth research and on-farm validation... Management strategies for improved control of fleabane, developed in consultation with industry and delivered widely to growers and agronomists...
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Catalogue: GRDC Updates (South)
03 5441 6176 03 5444 4299 admin@orm.com.au CAUTION: RESEARCH ON UNREGISTERED PESTICIDE USE Any research with unregistered pesticides or of unregistered products reported in this document does not constitute a recommendation for that particular use by the authors, the authors' organisations or the management committee... In summary, it could be argued that none of the currently available preemergence herbicides have the required stability in efficacy to become viable alternatives to postemergence group A or imidazolinone herbicides... Overall, 2012 seasonal conditions tended to favour early and mid flowering and maturing varieties...
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Catalogue: Broadacre Field Crops DAFF QLD
Fleabane is now recognised as one of the major difficult-to-control weeds in northern New South Wales and southern Queensland... Recent research by the DPI&F showed that glyphosate alone is normally ineffective, except on very small weeds... Our research has shown that Amitrole T could be strategically used as a late treatment to target mature survivors...
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Catalogue: Broadacre Field Crops DAFF QLD
Fleabane is now recognised as one of the major difficult-to-control weeds in northern New South Wales and southern Queensland... Recent research by the DPI&F showed that glyphosate alone is normally ineffective, except on very small weeds... Our research has shown that Amitrole T could be strategically used as a late treatment to target mature survivors...
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Catalogue: Broadacre Field Crops DAFF QLD
Fleabane is now recognised as one of the major difficult-to-control weeds in northern New South Wales and southern Queensland... Recent research by the DPI&F showed that glyphosate alone is normally ineffective, except on very small weeds... Our research has shown that Amitrole T could be strategically used as a late treatment to target mature survivors...
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Catalogue: GRDC Updates
Herbicide control of fleabane is difficult because it has a natural tolerance to herbicide uptake and is often targeted over summer when plants are well established and spray conditions are not favourable... In southern New South Wales it emerges through winter and early spring, whereas recent studies have found that populations from South Australia emerge as late as August to November, provided moisture is not limiting (see Figure 1)... The impact of fleabane control on stored soil moisture was also assessed in April for a selection of treatments at Bute and Pinnaroo (Figure 3.)...
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Catalogue: GRDC Final Reports
Several field studies were undertaken in SA and WA to identify promising herbicides for the control of barley grass in wheat... After barley grass was confirmed to be increasing on SA and WA farms, laboratory studies were undertaken to determine the reasons for this trend... The project was designed to identify weeds that were emerging as a threat to productivity of grain crops in SA and WA and to undertake studies to determine underlying reasons for their increasing incidence...
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Catalogue: GRDC Updates
Fleabane visual rating was assessed over time... Only Gramoxone (1.6L/ha) mixing with atrazine (1.5kg/ha) continued to show excellent residual activity, achieving 93% control of fleabane at 164 days after treatment (about 5.5 months)... Results showed that both October treatments of Cut followed by either single knock or double knock significantly improved fleabane control...
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Catalogue: GRDC Updates
Diligence is required throughout the year for effective control of this weed... While such weeds appear small in size, they can be quite old (2 or 3 months) and are very difficult to control... Once glyphosate resistance is common in a weed population, alternatives to glyphosate have to be used to control that population all the time and it is a recurring cost...
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Catalogue: GRDC Updates
Windmill grass (WG) and flaxleaf fleabane have become major weeds of cropping in many parts of Australia... Figure 6: Benefit of double-knock over single herbicide applications on fleabane control - knocks 7 days apart (DEEDI 2009) An additional range of single and double-knock treatments have been evaluated for fallow control of fleabane across Qld and NSW... The results in Figure 8 show the mean level of control of some of the key herbicides over the 4 trials...
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