However, since Palmer amaranth, redroot pigweed and waterhemp all fall into the pigweed category, telling Palmer amaranth apart from its cousins can be a challenge.

Help can’t arrive fast enough for corn and soybean farmers who routinely battle Palmer amaranth (pigweed) or waterhemp, especially those with resistance to currently available herbicide ...

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 on when it is used.

Palmer amaranth -- voted the most troublesome weed in the United States by the Weed Science Society of America -- has made its way to North Dakota. The weed, also known as Palmer pigweed, recently ...

Sometimes you have to get your hands dirty. One of the best ways to get rid of weeds such as pigweed is through hand removal.

Fluridone offers a new tool in the arsenal to fight herbicide resistance in Palmer pigweed, said Jason Norsworthy, distinguished professor of weed science in the department of crop, soil and ...

It’s been less than two years since University of Idaho Extension weed scientist Albert Adjesiwor’s fears were realized and a pair of problematic pigweeds — Palmer amaranth and waterhemp ...

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 ...

According to the new publication, Palmer amaranth is predicted to cause roughly twice as much yield loss in Wyoming as redroot pigweed. The new invader can germinate more readily in cooler conditions ...

Palmer amaranth has been found in a residential planter near Shelby, making this the first case confirmed in Montana, state officials said Thursday.

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 on when it is used.

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 ...