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 ...

FAYETTEVILLE, Ark. — A word of caution to rice growers: the herbicide fluridone has become a valuable tool in fighting Palmer pigweed, but it can cause injury to some rice cultivars, depending ...

Albert Adjesiwor, University of Idaho Extension Weed Specialist and Associate Professor, said a pigweed, known as Palmer Amaranth, is something he is familiar with, after the weed began popping up ...

Three Key Takeaways Complete chromosome-level genomes for Palmer amaranth and pigweeds have been generated. The genomes reveal gene families, such as cytochrome P450s, that play a role in herbicide ...

Weeds like Palmer amaranth make farming harder and less profitable, and available herbicides are becoming less effective. For scientists to find solutions, they first need to know their enemy.

KIMBERLY — 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 ...

Study how herbicides affect Palmer and other pigweeds. Learn more about how to identify Palmer, a task at which even experts can struggle. Learn more the weed’s weaknesses and how to exploit them.

The weeds proved to be Idaho’s first known waterhemp. He received another call a short while later about pigweeds in Homedale, which Adjesiwor confirmed as the state’s first known Palmer amaranth.

The weeds proved to be Idaho’s first known waterhemp. He received another call a short while later about pigweeds in Homedale, which Adjesiwor confirmed as the state’s first known Palmer amaranth.