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Catalogue: GRDC Media
Large infestation of feathertop Rhodes grass in southern Western Australia where it is spreading with summer rains.. "We have now confirmed that two populations from cropping land in New South Wales and Queensland and two from roadsides in South Australia are not controlled with glyphosate at the seedling stage and are classified as resistant," said Dr Chris Preston, chair of the Australian Glyphosate Sustainability Working Group (AGSWG)... Whilst the weed is not listed on any glyphosate herbicide labels, glyphosate has been widely used in Queensland and northern NSW to control seedlings...
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Catalogue: GRDC Media
Large infestation of feathertop Rhodes grass in southern Western Australia where it is spreading with summer rains.. "We have now confirmed that two populations from cropping land in New South Wales and Queensland and two from roadsides in South Australia are not controlled with glyphosate at the seedling stage and are classified as resistant," said Dr Chris Preston, chair of the Australian Glyphosate Sustainability Working Group (AGSWG)... Whilst the weed is not listed on any glyphosate herbicide labels, glyphosate has been widely used in Queensland and northern NSW to control seedlings...
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Catalogue: GRDC Media
Central Queensland farmers now have a new enemy in the battle against herbicide resistant weeds - glyphosate resistant Sweet Summer Grass... Mr Cook urged growers to check paddocks for survivors after spraying glyphosate and have them tested for resistance to ascertain what herbicides are still effective... "Effective control is likely to be a combination of other effective herbicide modes of action in combination with non-chemical tactics such as strategic cultivation, or if a small number of plants, hand roguing," Mr Cook said...
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Catalogue: GRDC Media
AHRI communications leader Peter Newman said the workshops would explore measures that could be incorporated into farming systems to give crops the upper hand against weeds... "We will discuss how leading growers have used harvest weed seed control (HWSC) techniques to manage weeds and provide local simulations using the Ryegrass Integrated Management (RIM) model to target the seedbank," he said... Region West < Keep browsing 0 Responses to Learn how to give crops the upper hand against weeds..
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Catalogue: GRDC Media
Another new glyphosate resistant species confirmed in northern NSW.. Glyphosate resistant population of sowthistle show dead susceptible plants in the right foreground... "Sowthistle and other surface germinating weeds are becoming bigger problems with the widespread adoption of reduced tillage agriculture and an over-reliance on glyphosate," stated Tony Cook, Technical Specialist (Weeds) with NSW Department of Primary Industries and leader of the team that conducted the testing...
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Catalogue: GRDC Media
Grain growers in Western Australia's southern cropping regions can find out at workshops hosted by the Australian Herbicide Resistance Initiative (AHRI) and WeedSmart, with support from the Grains Research and Development Corporation (GRDC)... AHRI communications leader Peter Newman said the workshops would explore measures that could be incorporated into farming systems to give crops the upper hand against weeds... "We will discuss how leading growers have used harvest weed seed control (HWSC) techniques to manage weeds and provide local simulations using the Ryegrass Integrated Management (RIM) model to target the seedbank," he said...
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