Field researchers, farmers and input providers are making some progress in the battle against Palmer amaranth, an invasive pigweed fairly new to southern Idaho and southeastern Oregon. Promising tools ...

A single Palmer amaranth plant emerging within three to four weeks after in-furrow rice emergence can negatively impact rice yield within 13 square feet of the weed. A recently published article in ...

Could Palmer amaranth, the king of resistant weeds and crippler of herbicides, be dethroned by its own sex drive? An innovative, herbicide-free technology is under testing and aims to attack Palmer ...

New chromosome-level genomes have been published for three troublesome Amaranthus weed species: Palmer amaranth and redroot and smooth pigweed. The advancement represents a major leap in scientists’ ...

BISMARCK, N.D. — Palmer amaranth has been found in Divide County, the 16th county in North Dakota to find the noxious weed. According to the North Dakota Department of Agriculture, one plant was ...

A herbicide-resistant pigweed first confirmed in the state less than three years ago has already infested more than 7,000 acres of southern Idaho cropland and is taking a heavy toll on yields, a ...

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 30 ...

WESTMINSTER, Colo., March 20, 2025 /PRNewswire/ -- A recently published article in the journal Weed Science demonstrates just how devasting Palmer amaranth (Amaranthus palmeri) can be for ...