TY - JOUR AU - Zink, F. W. AU - Grogan, R. G. TI - Big vein of lettuce: Interrelated effects of the disease and market price on head lettuce yield JF - California Agriculture JO - Calif Agr Y1 - 1955/02/01 VL - 9 IS - 2 SP - 8 EP - 8 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v009n02p8 AB - Big vein of lettuce occurs every year in California, especially in the spring crop of the central coastal area where practically 100% of the plants in some fields are affected.