To maximize efficacy, apply pre-emergence herbicides at or immediately after planting but before crop and weed emergence.

A team of Agricultural Research Service, university and industry scientists has spotted a new genetic vulnerability to tolpyralate herbicide in 49 varieties of corn, marking the first report of the ...

Corn grows on Goldpetal Farms in Chaptico, Md. A biotech corn variety that withstands five herbicides is stoking the debate over whether expanded crop chemical resistance protects weed-fighting tools ...

Summit Agro USA is launching Shieldex 400SC, a new corn herbicide for the 2018 growing season. It features HPPD inhibitor (group 27) technology for broadleaf and some grass control. Shieldex 400SC ...

AMARILLO – Weed control in corn is important to profitability, but producers need to be aware of herbicide application timing, said Dr. Jourdan Bell, Texas A&M AgriLife Extension Service agronomist in ...

When a sweet corn breeder reached out in 2021 to report severe injury from the herbicide tolpyralate, I hoped it was a fluke isolated to a single inbred line. But two years later, after methodical ...

In a recent article, University of Illinois weed scientist Aaron Hager reminds farmers to keep weed control/herbicide issues in mind during corn is replanting. “Herbicide-resistance traits in the ...

Weed control has focused on resistance management, with a greater reliance on residual herbicide programs, use of multiple sites of action at full rates and over lapping residual programs. As use of ...

Following a year that included both drought and derecho, Iowa’s crop producers may face some unique challenges in 2021 related to weed management. The recently updated 2021 Herbicide Guide for Iowa ...

Cover cropping is limited by seasonal constraints following corn harvest in the Upper Midwest of the United States. Grass, clover, and brassica cover crops can be interseeded in corn; however, this is ...