A single plant that showed up this summer on the edge of a southwestern Ontario cornfield is cause for concern among Canadian farmers, weed specialists warn. Writing Monday in the […] Read more
Tag Archives palmer amaranth

Palmer amaranth pops back up in Ontario
Weed infamous in U.S. for multiple herbicide resistances

Arkansas confirms first-ever glufosinate-resistant broadleaf
Researchers find Palmer amaranth strains in two counties
Researchers in the southern U.S. have found what they say is the first broadleaf weed in the world to beat the active ingredient in BASF’s Liberty herbicide. The University of […] Read more

Weed survival can be predicted via imagery
Researchers using imagery to predict viability of Palmer amaranth
Researchers are putting imaging technology to work to improve weed management practices. Maor Matzrafi of the department of Plant Sciences at the University of California, Davis, has been evaluating the […] Read more

North Dakota still on lookout for Palmer amaranth
CNS Canada –– Officials in North Dakota continue to hunt down suspicious plants in a bid to keep the aggressive weed Palmer amaranth from establishing there. Palmer amaranth, a pigweed […] Read more

Minnesota finds source of Palmer amaranth on CRP land
Reuters — An invasive weed likely entered Minnesota through seed planted on land in a U.S. conservation program, state agriculture officials said on Thursday, bringing to a close an official […] Read more

Palmer amaranth threatening U.S. corn fields
Winterset, Iowa | Reuters — A U.S. government program designed to convert farmland to wildlife habitat has triggered the spread of a fast-growing weed that threatens to strangle crops in […] Read more

Minnesota probes Palmer amaranth’s sudden appearance
Chicago | Reuters — Minnesota has launched an investigation to find the source of seed mixes contaminated with weed seeds after the aggressive, herbicide-resistant Palmer amaranth weed was found on […] Read more