Alfalfa

Weed management in alfalfa- Postemergence options

Once alfalfa breaks dormancy and has appreciable new growth, most broadleaf herbicides can cause injury to alfalfa. When trying to determine whether to apply herbicides or not, remember in many cases the easiest and most economical solution for weed control is the first cutting.

May 20, 2010

read »

Troublesome weeds in alfalfa- Identification and management

I have received a number of questions lately about a couple of weeds in alfalfa that are becoming more common and difficult to control (i.e. mouseear chickweed and roughstalk bluegrass).

June 18, 2009

read »

In-season weed management in alfalfa

Once alfalfa breaks dormancy and has appreciable new growth, most broadleaf herbicides can cause injury to alfalfa. When trying to determine whether to apply herbicides or not, remember in many cases the easiest and most economical solution to winter weed problems is the first cutting.

May 21, 2009

read »

Annual weed control in alfalfa: In-season management

The best method for weed management is good stand establishment and to control weeds in the fall or spring with herbicide applications to dormant alfalfa. Several herbicides are labeled for control of grass weeds, broadleaf weeds, or both when applied to dormant alfalfa.

May 22, 2008

read »

New seeding of Roundup Ready alfalfa halted

As some of you are likely aware, a U.S. District Court in California has issued a temporary injunction that prohibits the planting of Roundup Ready alfalfa after March 30, 2007. This injunction was in response to arguments made against the procedures the USDA followed prior to deregulating glyphosate-resistant alfalfa in June 2005.

March 22, 2007

read »