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Addressing tank mixing issues when spraying resistant weeds

WEEDSMART extension agronomist Peter Newman is urging growers to think twice before mixing glyphosate with 2,4-D when treating weeds with low to medium levels of glyphosate resistance. Antagonism between the two products has been widely known for...

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Addressing tank mixing issues when spraying resistant weeds
COMPARISON... Survival of awnless barnyard grass seedlings with low-level resistance to glyphosate. Left: Zero survival from 1L/ha Glyphosate 540 application. Right: 85 per cent survival to 1L/ha Glyphosate 540 plus 1.03L/ha 2,4-D Ester 680 mixture.
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