Samaan, M., Nasser, M. (2020). Effect of Spraying Paclobutrazol (PP333) on Yield and Fruit Quality of Crimson Seedless Grape. Journal of Plant Production, 11(11), 1031-1034. doi: 10.21608/jpp.2020.122657
M. Samaan; M. A. Nasser. "Effect of Spraying Paclobutrazol (PP333) on Yield and Fruit Quality of Crimson Seedless Grape". Journal of Plant Production, 11, 11, 2020, 1031-1034. doi: 10.21608/jpp.2020.122657
Samaan, M., Nasser, M. (2020). 'Effect of Spraying Paclobutrazol (PP333) on Yield and Fruit Quality of Crimson Seedless Grape', Journal of Plant Production, 11(11), pp. 1031-1034. doi: 10.21608/jpp.2020.122657
Samaan, M., Nasser, M. Effect of Spraying Paclobutrazol (PP333) on Yield and Fruit Quality of Crimson Seedless Grape. Journal of Plant Production, 2020; 11(11): 1031-1034. doi: 10.21608/jpp.2020.122657
Effect of Spraying Paclobutrazol (PP333) on Yield and Fruit Quality of Crimson Seedless Grape
Department of Horticulture, Faculty of Agriculture, Ain Shams University, Cairo, Egypt.
Abstract
Six concentrations of Paclobutrazol (PP333) were experimented (0, 10, 30, 60, 90, 120 ppm) as foliar spray on three years old Crimson seedless grape vines grown in private orchard at El Qattah, Giza Governorate, Egypt to find out its influence on yield and a fruit quality. The mentioned treatments were conducted at veraison stage in compare to the traditional treatment with Ethrel. The cluster weight, total yield/vine, 100 berries weight, berry firmness, total acidity, TSS, TSS/acid ratio and total anthocyanine content were measured. The results referred to an ascending increase in anthocyanine content and a reduction in acidity % went in parallel to Paclobutrazol concentrations increase. Spraying of 10 ppm of PP333 led to a significant increase in berry weight whereas120 ppm concentration achieved the highest TSS/acid ratio.
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