Streptomycin vs. copper for controlling fireblight of pear in California, 1970

Streptomycin vs. copper for controlling fireblight of pear in California, 1970

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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 First Aid 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 Bowl Neck Ring Spring ft by 20 ft (109 trees per acre).