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surviving weed

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Catalogue: GRDC Media
But with Grains Research and Development Corporation (GRDC) supported surveys indicated escalating weed resistance to herbicides including glyphosate, it is likely some weeds will have survived knockdown sprays... A targeted (not random) WA grainbelt survey, conducted by Sally Peltzer of the Department of Agriculture and Food (DAFWA) in 2013, found that more than 40 per cent of 172 annual ryegrass samples tested had some level of resistance to glyphosate... Growers who find weeds surviving herbicide application should send samples to commercial services for a 'Quick Test' in which plants (mainly grasses) are tested for herbicide resistance...
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Catalogue: GRDC Media
But with Grains Research and Development Corporation (GRDC) supported surveys indicated escalating weed resistance to herbicides including glyphosate, it is likely some weeds will have survived knockdown sprays... A targeted (not random) WA grainbelt survey, conducted by Sally Peltzer of the Department of Agriculture and Food (DAFWA) in 2013, found that more than 40 per cent of 172 annual ryegrass samples tested had some level of resistance to glyphosate... Growers who find weeds surviving herbicide application should send samples to commercial services for a 'Quick Test' in which plants (mainly grasses) are tested for herbicide resistance...
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Catalogue: GRDC YouTube channel
First spray at two leaf stage followed about four weeks later with a second spray using a different herbicide group... Fact Sheet: grdc.com.au/GRDC-FS-WildRadishManagement 7.44: GCTV Extension Files: Wild Radish 2nd Spray 7.56: Peter Newman: Australian Herbicide Resistance Initiative 7.67: This barley is at the stage where we would like to apply our second wild radish herbicide 12.17: spray... We want to use a double 40.609: knock approach of one herbicide followed by a different herbicide group and then ideally 45.379: we follow-up with other non herbicide tactics such as using harvest weed seed control to 50.42: remove any seeds of surviving weeds...
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