TY - JOUR AU - Bailey, J. Blair AU - Morehead, Gordon W. TI - Streptomycin vs. copper for controlling fireblight of pear in California, 1970 JF - California Agriculture JO - Calif Agr Y1 - 1971/01/01 VL - 25 IS - 1 SP - 6 EP - 7 PB - University of California Agriculture and Nature Resources SN - 0008-0845 UR - http://www.ucanr.edu/sites/calagjournal/archive/?article=ca.v025n01p6 AB - FIELD EXPERIMENTS to Compare Streptomycin with copper for control of fireblight of pears were conducted on the Natomas Company Ranch, east of Sacramento, under conditions which were compatible with a commercial pear growing operation. This pear ranch was selected for use because of the extensive fireblight present there during 1969. The trees in this 12-year-old Bartlett pear orchard were planted 20 ft by 20 ft (109 trees per acre).