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phenoxy resistance

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Catalogue: GRDC Media
Using a 'double knock', applying full label rates and correct timing are key steps for herbicide application to help minimise glyphosate resistance in annual ryegrass and phenoxy herbicide (2,4-D) resistance in wild radish... GRDC chairman Peter Roberts, who is involved with the 'learning group' at Esperance, said it was particularly important to extend the life of glyphosate - the best and cheapest knockdown herbicide - and 2,4-D, an important in-crop herbicide for controlling wild radish, which was becoming increasingly resistant to herbicides... "Growers can also improve the effectiveness of glyphosate by spraying it at the correct time - preferably when annual ryegrass has reached the two to three leaf stage," Mr Roberts said...
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Catalogue: GRDC Updates (West)
A paddock specific strategy for controlling radish is possible by knowing the resistance genetics present and the stage of resistance development- the expenditure required... We can now describe what is happening within paddocks and can explain why products work or do not work, highlighting the importance of growers knowing what genetics they are dealing with... Best Management Practice is not to rely solely on new chemistries but to use mixtures of both old and new chemistry across populations to minimise selection pressure on all groups...
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Catalogue: GRDC Updates
A paddock specific strategy for controlling radish is possible by knowing the resistance genetics present and the stage of resistance development- the expenditure required... We can now describe what is happening within paddocks and can explain why products work or do not work, highlighting the importance of growers knowing what genetics they are dealing with... Best Management Practice is not to rely solely on new chemistries but to use mixtures of both old and new chemistry across populations to minimise selection pressure on all groups...
Related categories:
Catalogue: GRDC Updates
A paddock specific strategy for controlling radish is possible by knowing the resistance genetics present and the stage of resistance development- the expenditure required... We can now describe what is happening within paddocks and can explain why products work or do not work, highlighting the importance of growers knowing what genetics they are dealing with... Best Management Practice is not to rely solely on new chemistries but to use mixtures of both old and new chemistry across populations to minimise selection pressure on all groups...
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