TY - JOUR AU - Barnes, Michael TI - Breeding and genetics key to stemming Pierce's disease JF - California Agriculture JO - Calif Agr Y1 - 2003/07/01 VL - 57 IS - 3 SP - 69 EP - 70 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v057n03p69 AB -