EFFECT OF POTASSIUM FERTILIZER ON MINERAL CONTENTS AND SOME BIOLOGICAL COMPONENTS OF TEN SUGAR BEET VARIETIES | ||||
| Journal of Plant Production | ||||
| Article 2, Volume 29, Issue 6, June 2004, Page 2963-2978 PDF (1.12 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2004.238641 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| M. A. Amer,1; M. Z. Attalah2; M. F. Ibrahim2; Fayza EI-Taweel2 | ||||
| 1• Soil, Water and Environment Research Institute. Agriculture Research Center. | ||||
| 2Sugar Crops Research Institute. Department of Physiology, Agriculture Research Center. | ||||
| Abstract | ||||
| Two field experiments were conducted in the Agricultural Research Station Farm to study the effect of potassium fertilizer on mineral composition (Fe, Cu. Mo. and Zn), biochemical components (0 amino nitrogen, sodium and Peroxidase isozyme) and some characters of sugar quality (T,S.S, sucrose and purity%). The experiments were carried out in a split plot design with 3 replicates. The treatments were 4 rates of K20 (O, 30. 60 and 90 kg of K20) and two types of sugar beet: 5 monogerm (Inverse, Prisma, Oe1936, Sophie and Universe) and 5 mulligerm (Baraka, Farida, Respoly, Pleno and Sultan). The data showed that adding K resulted a signifteant increase in the concentration of Nand K in both roots and leaves and that the monogerm types contained more N than the multigerm one. Phosphorus increased up to 30 units of K20 and then began to decrease as the added K increased. Concentration of micronutrients (Fe, Cu. Mn and Zn) increased in both roots and leaves as the K added increased but by different degrees depending on the differentiating in varieties as it were affected significantly. At the same time there was great response to the varieties among the T.S.S. sucrose and purity% where they increased by about 33.4, 3.55 and 15.4%. respectively. with the increase in K added. The significant increase in a amino nitrogen and sodium revealed the effect of potassium on protein synthesis. The treatments with potassium showed atso an increase in the cathode and anode band activities for the two varieties, which differed from the untreated plants. | ||||
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