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Preventing Glyphosate Resistance With Tank Mixes and Rotation

Learn how to tackle glyphosate resistance by utilizing tank mixes of different herbicide modes and rotation strategies. Discover effective tactics for preventing weed survivors from setting seed and ensuring spray effectiveness for sustainable weed management practices.

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Preventing Glyphosate Resistance With Tank Mixes and Rotation

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  1. Knockdown Herbicide Resistance

  2. Increase in glyphosate resistance in 7 years Heap, 2018

  3. # stopped counting; * Multiple Resistance BCDMZ

  4. Glyphosate resistance mechanisms Wild radish – multiple resistance to B, I, F, M

  5. Paraquat resistance

  6. Glufosinate – Group N

  7. Amitrole - Group Q

  8. Preventing resistance to knockdown herbicides • Use tank mixes of two different modes of action at robust rates that are effective on the target species – remember synergy is rare – keep both rates high! • Prevent any survivors of spraying from setting seed. • Use a double knock – 2 effective herbicide applications or non-herbicide tactics in close succession – 1 to 14 days apart • monitor spray effectiveness • Rotate modes of action See WEEDsmart “Big 6” for cropping

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