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post emergent herbicide

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Catalogue: GRDC Updates (West)
Mention of a trade name or company in this publication does not imply endorsement of any product or company by the Department of Agriculture and Food, Western Australia... Overall, 60-70 per cent of flour is used in traditional flat breads, 20-25 per cent of flour is used in western style breads and 5-10 per cent is used in cakes and biscuits... In summary, canola varieties sown 2-3 weeks earlier than normal (early to mid April) can be grazed in winter prior to bud elongation (usually providing 600-800 dse grazing days/ha) and recover with no impact on yield or oil...
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Catalogue: GRDC Media
Multiple herbicide resistance in weeds poses a bigger problem than glyphosate resistance in Australian and global cropping systems, and the only way forward is diversity in weed control practices... "There are more than 60 countries where scientists are reporting herbicide resistant weeds and lately we have seen a big problem with weeds resistant to many different types of herbicides," he said... Dr Heap said the problem of multiple herbicide resistance in weeds was compounded by a lack of discovery of new herbicides with alternative modes, or sites of action (MOA) in recent years...
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Catalogue: GRDC Media
Multiple herbicide resistance in weeds poses a bigger problem than glyphosate resistance in Australian and global cropping systems, and the only way forward is diversity in weed control practices... "There are more than 60 countries where scientists are reporting herbicide resistant weeds and lately we have seen a big problem with weeds resistant to many different types of herbicides," he said... Dr Heap said the problem of multiple herbicide resistance in weeds was compounded by a lack of discovery of new herbicides with alternative modes, or sites of action (MOA) in recent years...
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Catalogue: GRDC Final Reports
The project has shown that when small GR weeds are treated with robust rates of glyphosate, less than two percent of the population will survive... The value of rotation in controlling multiple MOA resistance weeds such as wild oats has also been demonstrated... Experiments showed the timing of control is critical in the management of resistant barnyard grass, as glyphosate resistance increases and paraquat # efficacy decreases with plant size...
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Catalogue: GRDC Updates
Herbicides are not the answer to herbicide resistance... Sixteen of the growers practiced HWSC in the form of narrow windrow burning in only 12% of years (i.e. Herbicides only group)... In the eighth year of using this practice these growers had zero ryegrass in their focus paddocks and have averaged less than 1.5 ryegrass plants /m 2 ever since...
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Catalogue: GRDC Publications
The benefits improve crop health and crop competitive ability against weeds and the effectiveness of pre-emergent herbicides... When used as a post-emergent product, little of the herbicide gets to the roots and the control of established weeds is often very poor... benefits arise when the weed is prevented from setting seed as there are no increases to the seedbank and, as a consequence, fewer weeds in the future...
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Catalogue: GRDC Updates (West)
" Agribusiness Crop Updates 2010 Herbicide control of slender iceplant Lorinda Hunt, Department of Agriculture and Food, Western Australia, Three Springs, Andrew Blake, Department of Agriculture and Food, Western Australia, Geraldton Research conducted by L Hunt... In the short stubble-no chaff plots (where stubble biomass was lowest), water rate did not have a large impact on annual ryegrass control, although Sakura was more effective at the high water rate... In the short stubble-chaff plots, all herbicides were more effective at the high water rate...
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Catalogue: GRDC Updates
Ryegrass and sow thistle were evaluated in this project; other weeds such as wild oats, wild radish, mustards, poppy, etc. are also developing resistance in this region... The aim of the project was to capture the current resistance status of a large sample of ryegrass and sow thistle; to key pre-emergent and post emergent herbicides in the western riverina region of SW NSW... What was very interesting was the level of resistance measured in samples with no expected resistance...
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Catalogue: GRDC Research Summaries
Pulse growers demand pulse cultivars with improved tolerance to herbicides which allows effective control of dicot weeds... The project will apply the established chemical mutagenesis approach to induce mutation in lupin, chickpea and field pea and the screening techniques to select among the mutants for tolerance to herbicides capable of controlling wild radish and other dicot weeds... Improved weed control would ensure grain legumes becoming valuable crops for the sustainable cereal-legumes rotations...
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