Yazar "Yazici, M. Atilla" seçeneğine göre listele

Listeleniyor 1 - 4 / 4
  • Küçük Resim Yok
    Öğe
    Effects of potassium, magnesium, and sulphur containing fertilizers on yield and quality of sugar beets (Beta vulgaris L.)
    (TUBITAK SCIENTIFIC & TECHNICAL RESEARCH COUNCIL TURKEY, 2009) Zengin, Mehmet; Gokmen, Fatma; Yazici, M. Atilla; Gezgin, Sait
    Effects of potassium (K), magnesium (Mg), and sulphur (S) containing fertilizers on root yield, refined sugar yield, and K, Mg, and S concentrations of leaf of sugar beet (Beta vulgaris L.) were studied on 3 different locations in Konya province, namely Kuzucu, Karaarslan, and Alakova, in 2004, 2005, and 2006. In the trails, a uniform diammonium phosphate (DAP) + urea application was used as the control treatment, while potassium sulphate and Mg containing Kalimagnesia, were applied at varying rate combinations. Compared to the control treatment (DAP + urea), all fertilizer treatments containing K, Mg, and S increased root yield in the Kuzucu and Alakova locations, while in the Karararslan location only potassium sulphate treatment improved root yield. The Kalimagnesia fertilizer containing all 3 nutrients, namely K, Mg, and S, enhanced root yield by 42% and 39% in the Kuzucu and Alakova locations, respectively. But, this yield-stimulating effect of the Kalimagnesia fertilizer was rate-dependent. Kalimagnesia was also effective in improving the sugar content of the root, while the amino-N levels were not consistently affected by the fertilizer treatments. Despite increases in the leaf concentrations of K, Mg, and S by the tested fertilizers, the changes in the leaf concentrations of these nutrients could not fully explain the increases in root yields. In the discussion of the results, the possible role of basic cation saturation ratios of soils was also taken into consideration. The results indicate that a fertilizer treatment including 81 kg K(2)O ha(-1), 27 kg Mg ha(-1), and 46 kg S ha(-1) may be recommendable in fertilization of sugar beets, together with regular nitrogen and phosphorus applications, under similar conditions, in order to achieve a balanced mineral nutrition and sustain better root and sugar yields.
  • Küçük Resim
    Öğe
    Growth and Mineral Acquisition Response of Grapevine Rootstocks (Vitis spp.) to Inoculation with Different Strains of Plant Growth-Promoting Rhizobacteria (PGPR)
    (WILEY-BLACKWELL, 2012) Sabir, Ali; Yazici, M. Atilla; Kara, Zeki; Sahin, Fikrettin
    BACKGROUND: Effects of the plant growth-promoting rhizobacteria (PGPR) strains Burkholderia gladii BA-7, Bacillus subtilis OSU-142, Bacillus megatorium M-3 and Azospirillum brasilense Sp 245 on vegetative development and mineral uptake of 1103 P and 41 B grapevine rootstocks were investigated. The roots of nursery plants of the grapevine rootstocks were immersed in bacterial solutions and transplanted to a sterilised peat and perlite mixture in 5 L pots. Plants were cultivated in a semi-controlled glasshouse during the vegetation period. RESULTS: Vegetative development of grapevine rootstocks was obviously promoted by bacterial inoculation, with the maximum increase induced by Sp 245. Inoculation with Sp 245 also significantly improved the chlorophyll concentrations of the leaves of the two rootstocks. Among the bacteria, OSU-142 also significantly stimulated vegetative development and mineral acquisition of the plants. Nutrient contents of the leaf blades of the plants were generally higher than those of control plants. CONCLUSION: Overall investigations revealed that A. brasilense Sp 245 and B. subtilis OSU-142 performed more efficiently than the other strains. Therefore these bacteria seem to have considerable potential in reducing the need for inorganic fertiliser. Copyright (C) 2012 Society of Chemical Industry.
  • Küçük Resim Yok
    Öğe
    VINE GROWTH AND YIELD RESPONSE OF ALPHONSE LAVALLE (V-vinifera L.) GRAPEVINES TO PLANT GROWTH PROMOTING RHIZOBACTERIA UNDER ALKALINE CONDITION IN SOILLESS CULTURE
    (WYDAWNICTWO AKAD ROLNICZEJ W LUBLINIE, 2017) Sabir, Ali; Karaca, Ummuhan; Yazar, Kevser; Sabir, Ferhan K.; Yazici, M. Atilla; Dogan, Osman; Kara, Zeki
    High carbonate content in soil negatively affect plant growth, because the availability of nutrients is restricted due to high pH. The present investigations were carried out to reveal possible alleviating effects of the exogenous root inoculation PGPRs on development and physiology of soilless-grown grapevines cultivated under alkaline stress in controlled glass house. pH of growth medium was increased from 7.5 to the values ranging from 7.9 (control) to 8.1 (A18) according to the bacterial inoculations by NaHCO3 supplementations. Bacteria inoculations did not result in statistically significant differences in pH values of growth media. The bacterial population density found in the rhizosphere of grapevines ranged from 6 x 108 CFU mL(-1) (M-3) to 9 x 108 CFU mL(-1) (Ca-637). The highest value of shoot thickness was obtained from Ca-637 (5.3 mm), followed by A18 (5.2mm), while M3 did not significantly affected the shoot thickness. The greatest pruning residue per vine was obtained from A18 treatment (81.5 g), followed by Ca-637 (80.8 g) while the lowest value was determined in control. Vine yield was the greatest with A18 (1128 g) treatment and was followed by Ca 637 (1059 g). Considering the general observations, root inoculation of PGPRs A18 and Ca-637 may be recommended in enhancing bioremediation of alkali growth media.
  • Küçük Resim Yok
    Öğe
    Vine growth, yield, berry quality attributes and leaf nutrient content of grapevines as influenced by seaweed extract (Ascophyllum nodosum) and nanosize fertilizer pulverizations
    (ELSEVIER SCIENCE BV, 2014) Sabir, Ali; Yazar, Kevser; Sabir, Ferhan; Kara, Zeki; Yazici, M. Atilla; Goksu, Nihal
    Environmental stress factors such as drought, salinity, and temperature extremes can reduce the yield of major crops and limit agricultural production worldwide. Therefore, research into developing sustainable methods to alleviate such stresses should be a priority. However, experimental studies to detect evidence and the effects of macro- and micro-element deficiencies in grapes are still insufficient to match necessity of clear knowledge to solve problems related with vineyard nutrition practice under stress conditions. This study was thus conducted on the investigation of the physiological, growth, mineral acquisition, yield and quality responses of grapevine, grown on alkaline soil, to seaweed extract (Ascophyllum nodosum) and nanosize fertilizer over two years. Leaf investigations revealed that the existence of nano-size Ca-based fertilizer led to remarkable enhancements in foliar development and chlorophyll concentration of the vines cultivated on alkaline soil. Seaweed also enhanced the leaf Zn chlorophyll content of the grapes. Most of macro- and micro-elements determined across the vines were in, or near, normal levels, except for Zn which varied around questionable levels. The treatments, particularly nano-fertilizer, considerably increased the Zn acquisition. Certain berry characteristics and the yield also increased with especially nano-fertilizer alone or with sea weed (A. nodosum) plus nano-fertilizer treatment. Overall investigations revealed that nano-fertilizer had particular contribution to improvement of vine growth, yield, berry quality attributes and leaf nutrient content of grapevines (cv. 'Narince') grown under alkaline soil condition. Therefore this product would be recommended to use for alleviating the adverse effects of such abiotic stress condition for sustainable grape production. (C) 2014 Elsevier B.V. All rights reserved.