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Fruit Varieties Journal
(Fruit Var J)

American Pomological Society

Volume 35 Number 3 Article 4 Pages: 100-104
Year 1981 Month 7
Title: Determination of Optimum Maturity for Several Apple Cultivars Grown in Minnesota
Authors: C. Brun, C. Stushnoff and S. Munson
A significant segment of the apple production industry in Minnesota and nearby north central, states is based on cold resistant cultivars which are not grown extensively in other production areas. Consequently, there has been little if any research conducted on defining optimum maturity for harvest other than subjective field estimations based on color, taste, fruit drop, etc. The purpose of this study was to determine optimum harvest maturity by testing some of the most commonly used indicators such as firmness and soluble solids at different harvest dates and relating these data to fruit quality and storage potential for several hardy cultivars plus Mclntosh as a standard.

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