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Abstract
Preharvest sprays of CaCl2, Ca(NO3)2, or water soluble wax increased berry size (by wt) and decreased the rate of softening during storage for 48 hr at 21°C. In a split plot experiment, with 4 cvs. and 3 dates of harvest, preharvest sprays of wax increased firmness but had no effect on total acidity, acid loss, water loss, or fungal decay. There were, however, significant interactions between cvs. and harvest dates in relation to firmness, acidity, and rot development.
Abstract
The effectiveness of malathion as a color enhancement agent for cranberry fruit was tested in a co-operative experiment involving 7 commercial cranberry growing regions of North America. Sprays of malathion 80% EC at 21/2 lb. active ingredient/A applied either 2 or 3 weeks before harvest increased anthocyanin content of ‘McFarlin’, ‘Early Black’ and ‘Searles’ cranberries.