Mostafa, M., EL-Boray, M., El-Baz, E., Omar, A. (2017). Effect of Fulvic Acid and Some Nutrient Elements on King Ruby Grapevines Growth, Yield and Chemical Properties of Berries.. Journal of Plant Production, 8(2), 321-328. doi: 10.21608/jpp.2017.39630
M. F. M. Mostafa; M. S. EL-Boray; EL. EL. T. El-Baz; Asmaa S. M. Omar. "Effect of Fulvic Acid and Some Nutrient Elements on King Ruby Grapevines Growth, Yield and Chemical Properties of Berries.". Journal of Plant Production, 8, 2, 2017, 321-328. doi: 10.21608/jpp.2017.39630
Mostafa, M., EL-Boray, M., El-Baz, E., Omar, A. (2017). 'Effect of Fulvic Acid and Some Nutrient Elements on King Ruby Grapevines Growth, Yield and Chemical Properties of Berries.', Journal of Plant Production, 8(2), pp. 321-328. doi: 10.21608/jpp.2017.39630
Mostafa, M., EL-Boray, M., El-Baz, E., Omar, A. Effect of Fulvic Acid and Some Nutrient Elements on King Ruby Grapevines Growth, Yield and Chemical Properties of Berries.. Journal of Plant Production, 2017; 8(2): 321-328. doi: 10.21608/jpp.2017.39630
Effect of Fulvic Acid and Some Nutrient Elements on King Ruby Grapevines Growth, Yield and Chemical Properties of Berries.
Pomology Department, Faculty of Agriculture, Mansoura University.
Abstract
The present investigation was carried out during 3 successive seasons from 2013 to 2015. The work in the first year was considered as a preliminary trial. This investigation was conducted on 16-year-old King Ruby grapevines cultivar growing at a private vineyard called Chycheny located at Meniet Samanood village near Mansoura city, Dakahlia Governorate, Egypt. The study aimed to evaluate the effect of fulvic acid and some macro-elements (Mg and K) as foliar application on vegetative growth, yield and chemical characteristics of berries.Most tested treatments gave generally a significant increase of different studied parameters, where, (Fulvic acid +Mg + K) gave the highest significant increase in bud burst and fertility (86.75 & 87.50 %) and (65.83 & 69.17 %) as compared with that of control (48.67 & 52.00 %) and (54.50 & 50.00 %) in 2014 and 2015 seasons, respectively. In addition, (Fulvic acid +Mg + K) gave a significant increase of vegetative growth such as shoot length, leaf surface area and total chlorophyll content (151.17 & 152.97 cm), (114.96 & 115.70 cm2) and (12.40 & 13.10 mg/g FW) as compared with that of control (104.70 & 107.37 cm), (94.08 & 94.37 cm2) and (7.088 & 7.207 mg/g FW) in 2014 and 2015 seasons, respectively. Also, this treatment gave a pronounced increment in yield/vine (15.29 and 15.85 kg/vine) as compared with that of control (8.36 and 8.95 kg/vine) in 2014 and 2015 seasons, respectively. Same treatments gave higher increase in the chemical characteristics of berries as SSC%, total sugars and total anthocyanin content in berry skin (20.17 & 21.00%), (18.43 & 19.20 %) and (78.98 & 79.82 mg/100g FW), while it gave the lowest decrease in acidity% (0.26 & 0.24 %) as compared with that of control (18.27 & 18.17 %), (13.83 & 14.20 %), (28.71 & 18.17 mg/100g FW) and (0.48 & 0.46 %), in 2014 and 2015 seasons, respectively.
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