Crops >Alfalfa  Roundup Ready alfalfa photos May 25, 2011 1. 1-1-1-1.JPG Dan Langhorst, left, and Joel Gilley of USDA-ARS, Maricopa, Ariz., capture bees in an alfalfa seed trial in Fresno County, Calif. 2. 2-2-2-2.jpg 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. 3. 3-3-3-3.JPG A harvester collects seed samples in the Fresno County trial. 4. 4-4-4-4.jpg Shannon Mueller, UCCE farm advisor, Fresno County. 5. 5-5-5-5.JPG Roundup Ready alfalfa is back on the market following the USDA’s full deregulation of the technology in January.