Apple Fruit Maturity Report-Aug 21-2020

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The assessments of fruit maturity parameters were conducted at the AHS Jr. AREC, Winchester, VA.  
Fruits for CA storage should be harvested at starch index (3 – 5), firmness (> 16 lb), and DA reading (0.60). Fruits intended for fresh consumption should be picked at starch index (5.5 – 7), firmness (13 – 16 lb), DA reading (0.35) and Brix (12-14%).
Starch iodine tests for 19 apple cultivars grown at the AHS Jr. AREC, Winchester, VA. Starch values were estimated according to the Cornell starch index (1-8). The recipe for the starch iodine test was described in a previous post ((https://blogs.ext.vt.edu/tree-fruit-horticulture/2012/08/23/harvest-maturity-resources/)

Sherif M. Sherif, Assistant Professor of Horticulture at Virginia Tech, School of Plant and Environmental Sciences, AHS Jr. Agricultural Research and Extension Center
595 Laurel Grove Road, Winchester, VA 22602
Tel. 540-232-6035, Email: ssherif@vt.edu

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