Mechelle Owen on Muck Rack

Mechelle Owen

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Articles

What is the latest random weed resistance survey telling us about paraquat and 2,4-D?

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By Allison Chambers, John Broster, Mechelle Owen
| Ground Cover Verified
Take home message Resistance to the Group 22 herbicides paraquat and paraquat + diquat has been found in feathertop Rhodes grass (Chloris virgata) and tall fleabane (Conyza sumatrensis), respectively 2,4-D (Group 4) resistance has been found in 5 and 8% of common sowthistle and wild radish populations respectively from the northern cropping region Group 22 herbicides are important components of the double knock strategy commonly used for effective control of many northern region weeds.
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