Horticultural Research Center2019-09-092019-09-091942https://hdl.handle.net/11299/206566Mainly original handwritten notes from pollination studies involving plums and other Prunus species from UMN fruit breeding program from 1931-1942 to determine cross pollination needs and compatibilities.enbreedingbreeding materialpeachplumPrunus besseyiiPrunus domesticaPrunus persicasand cherryPrunus Pollination Studies from Fruit University of Minnesota Breeding Program from 1931-1942Dataset