Nemeata Alla, H. (2017). Effect of Boron Level and Time of Application on Yield and Quality of Sugar Beet. Journal of Plant Production, 8(11), 1071-1075. doi: 10.21608/jpp.2017.41113
H. E. A. Nemeata Alla. "Effect of Boron Level and Time of Application on Yield and Quality of Sugar Beet". Journal of Plant Production, 8, 11, 2017, 1071-1075. doi: 10.21608/jpp.2017.41113
Nemeata Alla, H. (2017). 'Effect of Boron Level and Time of Application on Yield and Quality of Sugar Beet', Journal of Plant Production, 8(11), pp. 1071-1075. doi: 10.21608/jpp.2017.41113
Nemeata Alla, H. Effect of Boron Level and Time of Application on Yield and Quality of Sugar Beet. Journal of Plant Production, 2017; 8(11): 1071-1075. doi: 10.21608/jpp.2017.41113
Effect of Boron Level and Time of Application on Yield and Quality of Sugar Beet
Sugar Crops Res. Inst., Agric. Res. Center, Giza, Egypt
Abstract
Two field experiments were carried out in 2015/2016 and 2016/2017 seasons at Sakha Agricultural Research Station, Kafrelsheikh Governorate (latitude of 31.100 N and longitude 30.930 E, at an elevation of 14 m above sea level) to find out to the appropriate fertilization level of boron and its application time on growth, yield and quality of sugar beet crop. The present work included twelve treatments represent the combinations of four levels of boron (zero, 50, 100 and 150 ppm) and three application times of 30, 60 and 90 days after sowing. Boron was sprayed on beets as a boric acid 17% boron. The experimental design was strip plot with four replicates, where vertical plots were occupied with boron levels, while the horizontal plots were devoted to the three application times. The results showed that increasing boron application to 100 and/or 150 ppm resulted in higher values of root diameter, root fresh weight/plant, foliage fresh weight/plant, sucrose%, sugar extractable% and quality index as well as root, top and sugar yields/fed, at harvesting time in both seasons, whilst sugar lost to molasses%, Na and K contents significantly decreased.It was found that boron application time had a significant effect on root diameter, root, and foliage fresh weight/plant as well as top yield/fed of sugar beet in both seasons, as well as sugar yield/fed in the 1st one, where the application time of 90 days achieved the highest values of the mentioned traits. However, root impurities (Na, K and α-amino-N) and sugar lost to molasses% were insignificantly affected by the time of boron application. The interaction between boron concentration and its application time significantly affected root fresh weight/plant in both seasons and root yield/fed in the 1st season only. The combination of (150 ppm boron fertilization at 90 days of sowing) attained the highest values of root fresh weight (9, 796 g and 1, 769 g) in the two seasons respectively, as well as the maximum root yield (60, 22 ton/fed) in the first season only. Under conditions of the present work, fertilizing beets with 100 and/or 150 ppm boron as foliar application at 90 days from sowing can be recommended to get the highest root and sugar yields/fed.
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