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annual ryegrass sample

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: GRDC Media
In an effort to find out which herbicides will work best in 2015, it is recommended weed seeds collected during or after harvest are sent for herbicide resistance (or susceptibility) testing... In the past, testing for resistance has often confirmed suspicions and it is better to focus on which herbicides could be effective this year by testing for susceptibility - according to the GRDC-supported Australian Herbicide Resistance Initiative (AHRI)... CSU's John Broster says there is now little point in testing annual ryegrass for susceptibility to Group A 'FOP' herbicides or Group B herbicides due to the high levels of resistance found in these weeds across most regions of Australia...
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Catalogue: GRDC Media
Time to test the susceptibility of escapee weed seeds.. In an effort to find out which herbicides will work best in 2015, it is recommended weed seeds collected during or after harvest are sent for herbicide resistance (or susceptibility) testing... In the past, testing for resistance has often confirmed suspicions and it is better to focus on which herbicides could be effective this year by testing for susceptibility - according to the GRDC-supported Australian Herbicide Resistance Initiative (AHRI)...
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