Roundup Ready alfalfa photos

Dan Langhorst, left, and Joel Gilley of USDA-ARS, Maricopa, Ariz., capture bees in an alfalfa seed trial in Fresno County, Calif.

Roundup Ready alfalfa is gaining interest in central and northern California but not in the Imperial Valley due to GMO concerns by export hay and seed customers.

A harvester collects seed samples in the Fresno County trial.

Shannon Mueller, UCCE farm advisor, Fresno County.

Roundup Ready alfalfa is back on the market following the USDA’s full deregulation of the technology in January.