By Ana Maria Pastrana Leon
Ana M. Pastrana1, Robert L. Gilbertson2, Tomás A. Melgarejo2, William M. Wintermantel3 1Plant Pathology Advisor, UCCE Imperial, Riverside, and San Diego; ampastrana@ucanr.edu; 2Department of Plant Pathology, UC Davis; 3USDA-ARS, Salinas Over the past few seasons, we have seen significant…