Weeds

AMVAC announces two tools it considers the “next generation in weed resistance management.”

Resistance is an issue for several grass and broadleaf weed species, but timing, application and weather might also affect herbicide efficacy.

The next step is a draft biological evaluation required under the Endangered Species Act.

The Minnesota Department of Agriculture says now is prime scouting time for the invasive weed.

"Don't rely on one chemistry."

There are some late-season herbicide options, but those options are limited and require high-clearance equipment.

Soybean Pest Beat: Get rougher and tougher when going after marestail.