Horticultural Research Center2023-06-092023-06-091972https://hdl.handle.net/11299/254630Observations of fire blight on UMN varieties treated with Bordeaux mix, copper sulfate, streptomycin. Also observations of fire blight and some other Phenotype/testing records for apple. Advanced UMN selections, varieties and unselected seedlings from several families.enaccession varietiesfield observationsbreeding materialapplecrabapplemalusfireblightRecord of field plantings of apples at the University of Minnesota Horticultural Research Center Block 70 and 71 Apple: 1939-1972Dataset