Sunday, January 18, 2026

weed resistance

Herbicide-resistant weeds? K-State researcher hopes to crush them

A Kansas State University researcher in western Kansas says he may have an innovative way to kill weeds commonly found in farmers' fields: simply put, he wants to crush ‘em. That’s right, says Vipan Kumar, a weed scientist at the...

Researchers seek grower opinions on glufosinate use, performance

A collaborative project among weed scientists from the University of Wisconsin-Madison, University of Arkansas and University of Nebraska-Lincoln is underway to better understand glufosinate efficacy for weed management in U.S. soybeans. As part of this effort, a survey for growers,...

BASF, AGCO collaborate on ‘Operation Weed Eradication’

BASF and equipment manufacturer AGCO plan to join forces on BASF’s Operation Weed Eradication initiative. The collaboration will provide farmers with agronomic expertise to help promote best practices for on-farm eradication of pigweed, according to a news release. Herbicide-resistant pigweed...

When it comes to Palmer pigweed, you can pay me now or pay me later

An old joke has it that cockroaches and whatever other object that seems to have more than nine lives will be the only things to survive a nuclear bomb. More recently, many growers have laughed that cockroaches and Palmer...

Researchers seek metribuzin-tolerant varieties to aid pigweed control

Palmer amaranth, commonly known as pigweed, has been a longtime foe of Arkansas soybean farmers. Jason Norsworthy, weed scientist for the University of Arkansas System Division of Agriculture, said it is the No. 1 weed affecting Arkansas soybean production. However,...

WSSA advocates ‘no pigweed left behind’

Waterhemp and Palmer amaranth, both members of the pigweed family, have become significant threats to crop yields and farm incomes across the Americas. In the United States, they compete with crops in the South and in parts of the...

More questions than answers

New multiple-resistant pigweed biotype proves hard to control, reinforces need to rotate effective herbicide modes of action. By Larry Steckel A survey sponsored by the Tennessee Soybean Promotion Board was conducted last summer to determine the percentage of fields that...

Palmer amaranth continues reign as most troublesome weed, WSSA finds

It should come as no surprise that Palmer amaranth ranks as the most troublesome and difficult-to-control weed in 12 categories of broadleaf crops, fruits and vegetables, according to a survey conducted by the Weed Science Society of America. The most...

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