TY - JOUR AU - Kontaxis, Demetrios G. TI - Big vein disease of lettuce in Imperial Valley JF - California Agriculture JO - Calif Agr Y1 - 1978/07/01 VL - 32 IS - 7 SP - 16 EP - 17 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v032n07p16 AB - Only 12 percent of the lettuce plants infected with big vein develop into a marketable crop. A systemic fungicide controls the disease, whereas fumigants appear t o favor big vein of lettuce.