This codebook.txt file was generated on 20220307 by James Luby ------------------- GENERAL INFORMATION ------------------- 1. Title Phenotype data on walnut, black walnut, and sweet chestnut breeding selections, cultivars, and accessions at Dodge Center (1923-1930) and University of Minnesota Horticultural Research Center (1927-1982). 2. Author Information University of Minnesota Horticultural Research Center 600 Arboretum Blvd., Excelsior MN 55331 Since the data was collected over large periods of time, it is unclear who authored each page/dataset. Leadership at the Horticultural Research Center/Fruit Breeding Farm has been documented in a few publications, including: Snyder, Leon C. 1983. History of the Department of Horticultural Science and Landscape Architecture, 1849-1982. University of Minnesota. Retrieved from the University of Minnesota Digital Conservancy, http://hdl.handle.net/11299/93379. Luby, James. 1991. Breeding Cold-hardy Fruit Crops in Minnesota. HortScience 26(5): 507-512. https://doi.org/10.21273/HORTSCI.26.5.507 Luby, James and Anne Fennell. 2006. Fruit Breeding for the Northern Great Plains at the University of Minnesota and South Dakota State University. HortScience 41(1): 25-26. https://doi.org/10.21273/HORTSCI.41.1.25 Luby, James. 2009. 100 Years of Fruit Crops Breeding at the University of Minnesota. Retrieved from http://hdl.handle.net/11299/206527 3. Date of data collection: 1923-1982 4. Geographic location of data collection: University of Minnesota Horticultural Research Center (previously Fruit Breeding Farm) at 44.867793 N,-93.635015 W 5. Information about funding sources that supported the collection of the data: Mainly Minnesota Agricultural Experiment Station and Department of Horticultural Science (older names were Department of Horticultural Science and Landscape Architecture and Department of Horticulture). -------------------------- SHARING/ACCESS INFORMATION -------------------------- 1. Licenses/restrictions placed on the data: Attribution 4.0 International (CC BY 4.0) 2. Links to publications that cite or use the data: Many publications by researchers at the Horticultural Research Center have utilized the fruit breeding data. --------------------- DATA & FILE OVERVIEW --------------------- 1. File List A. Filename: NutPhenotype1923-1930.pdf Description: Phenotype data on walnut and chinese sweet chestnut breeding selections, cultivars, and accessions at Dodge Center, MN from 1923-1930. Species included: Juglans/walnut B. Filename: NutPhenotype1927-1982.pdf Description: Phenotype data on walnut and black walnut breeding selections, cultivars, and accessions at University of Minnesota Horticultural Research Center, Farm 1, block 11 from 1927-1982. Species included: Castanea/chestnut; Juglans nigra/black walnut; Juglans/walnut 2. Relationship between files: Files both contain phenotype and performance data for nut selections and cultivars. Data were collected at two different locations (Dodge Center or HRC) and in different sets of years and data for chinese sweet chestnut are included in Dodge Center data. -------------------------- METHODOLOGICAL INFORMATION -------------------------- 1. Description of methods used for collection/generation of data: Data consist of handwritten observations on the conditions of trees, productivity, and nut characteristics in different years. 2. People involved with data collection: As stated above, since the data was collected over large periods of time, it is unclear who authored each page/dataset. Leadership at the Horticultural Research Center/Fruit Breeding Farm has been documented in a few publications, including: Snyder, Leon C. 1983. History of the Department of Horticultural Science and Landscape Architecture, 1849-1982. University of Minnesota. Retrieved from the University of Minnesota Digital Conservancy, http://hdl.handle.net/11299/93379. Luby, James. 1991. Breeding Cold-hardy Fruit Crops in Minnesota. HortScience 26(5): 507-512. https://doi.org/10.21273/HORTSCI.26.5.507 Luby, James and Anne Fennell. 2006. Fruit Breeding for the Northern Great Plains at the University of Minnesota and South Dakota State University. HortScience 41(1): 25-26. https://doi.org/10.21273/HORTSCI.41.1.25 Luby, James. 2009. 100 Years of Fruit Crops Breeding at the University of Minnesota. Retrieved from http://hdl.handle.net/11299/206527 ----------------------------------------- DATA-SPECIFIC INFORMATION ----------------------------------------- The files in this collection are scans of original research documents generated and housed at the University of Minnesota Horticultural Research Center, formerly called the University of Minnesota Fruit Breeding Farm from 1908-1967.