TY - JOUR AU - Klotz, L. J. AU - Wong, Po-Ping AU - DeWolfe, T. A. TI - Citrus irrigation water survey: Runoff water from diseased groves, carried in canals, can contaminate other land with infective Phytophthora spores JF - California Agriculture JO - Calif Agr Y1 - 1959/11/01 VL - 13 IS - 11 SP - 3 EP - 16 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v013n11p3 AB - Twelve irrigation canals, sampled repeatedly for one year, all harbored one or more of the species of Phytophthora that cause citrus diseases. The species that were prevalent varied with the seasonal temperature of the water. The fungus was found in only one of the three reservoirs tested.