Abstract
`Emperor' grapes, packed 6, 9, and 12 inches deep in invented corrugated containers equipped with top and bottom two-stage SO2 generators, were vibration-settled and stored at 33°F for as long as 5 months. At intervals, containers were withdrawn from storage, given a simulated transit vibrationshock treatment, and then evaluated for keeping quality. The concentration of SO2 that reached the center was appreciably less in the 12-inch pack than in the 6-inch pack. Control of decay was related directly to SO2 concentration. The initial density of the packs was 50.2 in.3/lb. By 184 days of storage this had increased to respectively 38.9, 36.8, and 32.6 in.3/lb for the 6-, 9-, and 12-inch packs. The percentage of injured pedicel attachments was not affected significantly by either depth of pack or length of storage. Cracking of berries was not increased by depth of pack. Depth of pack significantly increased shatter (detached berries) per container but did not significantly influence shatter per pound of fruit.
- Accepted March 1972.
- Published online January 1972
- Copyright 1972 by the American Society for Enology and Viticulture
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