Osman,, M., Ahmed, A., El-Sayed, G., Osman, A. (2005). EFFECT OF FOLIAR APPLICATION WITH ZINC, CUPPER AND MOLYBDENUM ON YIELD AND QUALITY OF SUGAR BEET.. Journal of Plant Production, 30(1), 23-40. doi: 10.21608/jpp.2005.237085
M. S.H. Osman,; A. M. Ahmed; G. S. El-Sayed; A. M.H. Osman. "EFFECT OF FOLIAR APPLICATION WITH ZINC, CUPPER AND MOLYBDENUM ON YIELD AND QUALITY OF SUGAR BEET.". Journal of Plant Production, 30, 1, 2005, 23-40. doi: 10.21608/jpp.2005.237085
Osman,, M., Ahmed, A., El-Sayed, G., Osman, A. (2005). 'EFFECT OF FOLIAR APPLICATION WITH ZINC, CUPPER AND MOLYBDENUM ON YIELD AND QUALITY OF SUGAR BEET.', Journal of Plant Production, 30(1), pp. 23-40. doi: 10.21608/jpp.2005.237085
Osman,, M., Ahmed, A., El-Sayed, G., Osman, A. EFFECT OF FOLIAR APPLICATION WITH ZINC, CUPPER AND MOLYBDENUM ON YIELD AND QUALITY OF SUGAR BEET.. Journal of Plant Production, 2005; 30(1): 23-40. doi: 10.21608/jpp.2005.237085
EFFECT OF FOLIAR APPLICATION WITH ZINC, CUPPER AND MOLYBDENUM ON YIELD AND QUALITY OF SUGAR BEET.
Sugar Crops Research Institute, Agric. Research Center, Giza, Egypt.
Abstract
Two field trials were carried out at Sakha Research Station (Kafr El-Sheikh Governorate) during 2002/2003 and 2003/2004 seasons. The aim of this investigation was study the response of foliar application with zinc, cupper and molybdenum on yield and quality of sugar beet crops. Each experiment consisted of 12 treatments representing three levels (zero, 43 and 86 g/fed) of zinc sulfate ZnSO4. H2O (35% Zn), two levels (zero and 120 g/fed) of cupper sulfate CuSO4. 5H2O (24.8% Cu) and two levels (zero and 56 g/fed) of ammonium molybdate (NH4) 6 MO7 O24. 4 H2O (54% Mo). Foliar application of studied treatments were done three times (60, 75 and 90 days) from sowing. Treatments were distributed in a complete randomized block design with four replications. The results showed that increasing the level of zinc fertilizer up to 86g ZnSO4/fed increased significant and leaf area, root length and root diameter in the 2nd season and leaf area index, leaves total dry weight/plant and leaf/weight ratio in the two seasons. Cupper fertilizer levels up to 120g CuSO4/fed showed significant effects on root/top ratio, root length and purity% in the 1st season, total soluble solids% in the 2nd season and leaf area, leaf area index, leaves total dry weight/plant, root fresh weight, sucrose% and biological (top and root yields),root and sugar yields in the two seasons. Increasing the level up to 56g ammonium molybdate (NH4) 6 (MO7 O24)/fed showed significant effects on root diameter and top yield in the 1st season, leaf/weight ratio and root length in the 2nd season and root fresh weight, sucrose and purity% and biological (top and root yields), root and sugar yields in the two seasons. The highest values of root and sugar yields 35.30, 34.00 and 4.78, 4.77 was resulted from the interaction between 43g ZnSO4, 120g CuSO4 and zero g ammonium molybdate/fed in the two seasons., respectively.
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