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glyphosate resistant weed

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Catalogue: GRDC Media
Diversity the key to protecting critical herbicide.. "We must diversify glyphosate use to preserve this precious herbicide for future harvests and future generations," he said... "An estimated 50 million hectares of the world's best crop land - including 34 million hectares in the US - is infested with glyphosate resistant weeds, and these weeds are often also resistant to other herbicides - posing a threat to global food production," Professor Powles said...
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Catalogue: GRDC Media
Diversity the key to protecting critical herbicide.. "We must diversify glyphosate use to preserve this precious herbicide for future harvests and future generations," he said... "An estimated 50 million hectares of the world's best crop land - including 34 million hectares in the US - is infested with glyphosate resistant weeds, and these weeds are often also resistant to other herbicides - posing a threat to global food production," Professor Powles said...
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Catalogue: Nuffield Scholar Reports
The committee suggested more research is required into the measure of economic loss from GE contamination... In summary, under National Standards, organic certification in Australia means an organic farmer must have no GE inputs, grow no GE crops, and no GE presence in final product or on farm... The issue of the co-existence of these different agricultural systems has become an issue for Australian agriculture...
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Catalogue: GRDC Final Reports
Glyphosate resistance occurs where there is intensive use of glyphosate, no other effective herbicides and no other weed management tactics used... Continued use of glyphosate will increase the frequency of glyphosate resistance in populations... The project has confirmed that glyphosate resistance is most likely to occur where glyphosate is used intensively and no other effective weed control is practiced...
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Catalogue: GRDC Factsheets
Fencelines and paddock margins represent a large number of situations where cases of glyphosate-resistant annual ryegrass are occurring... Integrated weed management must be practiced for all weed control operations... KeY POINts employing glyphosate as the only method to control fenceline weeds will quickly result in herbicide resistance developing...
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Catalogue: GRDC Factsheets
Fencelines and paddock margins represent a large number of situations where cases of glyphosate-resistant annual ryegrass are occurring... Integrated weed management must be practiced for all weed control operations... KeY POINts employing glyphosate as the only method to control fenceline weeds will quickly result in herbicide resistance developing...
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Catalogue: GRDC Factsheets
Fencelines and paddock margins represent a large number of situations where cases of glyphosate-resistant annual ryegrass are occurring... Integrated weed management must be practiced for all weed control operations... KeY POINts employing glyphosate as the only method to control fenceline weeds will quickly result in herbicide resistance developing...
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Catalogue: GRDC Media
It is understandable why growers are keen to control weeds along fence lines and crop margins... AGSWG Chairman Dr Chris Preston, from the University of Adelaide's School of Agriculture, Food and Wine, says the main factors that contribute to glyphosate resistant weeds are: intensive use of glyphosate; lack of competition; no other effective herbicides employed; and little or no other weed control practices employed... Many growers prefer to use glyphosate alone for weed control on fence lines due to its ease of use and low cost," Dr Preston said. "..
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Catalogue: GRDC Media
It is understandable why growers are keen to control weeds along fence lines and crop margins... AGSWG Chairman Dr Chris Preston, from the University of Adelaide's School of Agriculture, Food and Wine, says the main factors that contribute to glyphosate resistant weeds are: intensive use of glyphosate; lack of competition; no other effective herbicides employed; and little or no other weed control practices employed... Many growers prefer to use glyphosate alone for weed control on fence lines due to its ease of use and low cost," Dr Preston said. "..
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Catalogue: GRDC Updates
A field kit to detect glyphosate resistance in the field is being evaluated by Monsanto... The method to detect glyphosate resistance is based on differences in the accumulation of shikimate in susceptible versus resistant biotypes... The amount of shikimate accumulated at a low concentration of glyphosate is then compared to levels accumulated at a high concentration of glyphosate (Figure 3)...
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