Omar,, A., El-Morsy, F. (2000). IMPROVING QUALITY AND MARKETING OF RUBY SEEDLESS TABLE GRAPES. Journal of Plant Production, 25(7), 4425-4436. doi: 10.21608/jpp.2000.259402
A. H. Omar,; F. M. El-Morsy. "IMPROVING QUALITY AND MARKETING OF RUBY SEEDLESS TABLE GRAPES". Journal of Plant Production, 25, 7, 2000, 4425-4436. doi: 10.21608/jpp.2000.259402
Omar,, A., El-Morsy, F. (2000). 'IMPROVING QUALITY AND MARKETING OF RUBY SEEDLESS TABLE GRAPES', Journal of Plant Production, 25(7), pp. 4425-4436. doi: 10.21608/jpp.2000.259402
Omar,, A., El-Morsy, F. IMPROVING QUALITY AND MARKETING OF RUBY SEEDLESS TABLE GRAPES. Journal of Plant Production, 2000; 25(7): 4425-4436. doi: 10.21608/jpp.2000.259402
IMPROVING QUALITY AND MARKETING OF RUBY SEEDLESS TABLE GRAPES
Viticulture Research Department, Horticulture Research Institute, Agricultural Research Center, Giza, Egypt
Abstract
CPPU at (0,3,5 and 7 ppm) and GA3 at (0,5,10 and 20 ppm) were applied separately or in combination to bunches of 6-year-old Ruby Seedless grapevines supported by Spanish Paron trellis and located in Wadi El-Faregh region, Giza governorate during 1997 and 1998 seasons. The clusters were sprayed when berry size reached 6-8 mm in diameter. The CPPU and/or GA3 treatments significantly increased berry weight, size, length and diameter. Bunch weight and yield/vine were also significantly increased. Poorly coloured berry percentage (PCBP) was increased and reached its maximum under 7 ppm CPPU x 20 ppm GA3 treatments. TSS, TSS/acidity and anthocyanin were decreased while acidity showed a reverse trend. CPPU and/or GA3 delayed grape ripening by 5 to 21 days compared to the control. This delay improved quality, colouration and increased the price.
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