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Öğe Changes in reactive oxygen species in roots of pumpkin (Cucurbita pepo L.) genotypes with known drought tolerance levels(WILEY, 2018) Hakki, E. E.; Hamurcu, M.; Ustun, C.; Avsaroglu, Z. Z.; Onay, H.; Gezgin, S.; Khan, M. K.[Abstract not Available]Öğe Determination of heavy metal pollution in grass and soil of city centre green areas (Konya, Turkey)(HARD, 2007) Onder, S.; Dursun, S.; Gezgin, S.; Demirbas, A.This research was conducted to determine levels of heavy metal pollution in the years 2003-04. In this research, samples of grass and soil taken from green areas in 8 different areas of Konya city centre were used as material. The samples were obtained from factory gardens, areas experiencing heavy traffic and residential areas. The changes in analysis results of heavy metal levels (Pb, Cu, Zn, Co, Cr, V, Cd and Ni) in the samples were discussed for sampling years and sampling places in both grass and soil samples. The results of the study showed that heavy metal contents in both soil and grass samples were higher in 2004 than in 2003. In this study, some heavy metal content in the samples obtained in areas with heavy traffic and in factory garden areas was over the limit levels (5.67 ppm for Pb in soil and 10.69, 27.51 and 0.19 ppm for Cu, Cr and Cd in grass, respectively) and represents a risk for humans.Öğe Determination of suitable maize (Zea mays/ L.) genotypes to be cultivated in boron-rich central anatolian soil(SPRINGER, 2007) Hakki, E. E.; Atalay, E.; Harmankaya, M.; Babaoglu, M.; Hamurcu, M.; Gezgin, S.[Abstract not Available]Öğe Effect of boron supply under drought stress tolerance on watermelon(CUKUROVA UNIV, FAC AGRICULTURE, 2012) Ozer, A.; Hamurcu, M.; Turkmen, O.; Gezgin, S.[Abstract not Available]Öğe THE EFFECT OF DIFFERENT ZINC APPLICATION METHODS AND LEVELS ON YIELD AND QUALITY OF HESAPALI (Vitis vinifera L.) GRAPE(SCIENTIFIC ISSUES NATL CENTRE AGRARIAN SCIENCES, 2009) Er, F.; Gezgin, S.; Bayrakli, F.This study has been done to determine the effects of zinc, applied at different doses and in different ways in the fields where NPK was used and also not used as a base fertilizer on the yield and quality of the grape type of Hesapali grown widely in the environs of Aladag, Hadim, and Konya. The test has been applied to the vine grapevine at the doses of 0, 10, 20, 40g Zn/grapevine for both the ones to which NPK was not applied (N0P0K0.) and to which NPK was applied (150-50-50 g/grapevine N1P1K1) in the form of ZnSO(4)7H(2)O. Zn application has been performed in two different forms: I. By mixing all the zinc with the soil (20-30 cm depth) in the projection of the grapevine 15 days before blossom and II. By spraying j of all the zinc over the leaves with a fifteen-day interval at 4 times, which starts 15 days before blossom. According to results of the study: Wet grape yield obtained from each grapevine, which was exposed to the average of two different applications (N0P0K0 and N1P1K1) forms of zinc has statistically increased in an important proportion by increasing the dose of zinc applied to the grapevine. Comparing with the controls, the highest yield of wet grape with the proportion of 212% and 206% has been obtained in N0P0K0 and N1P1K1 applications by applying 10 and 40gram of zinc to each grapevine. Beside as an average of NPK and zinc levels, application of zinc over leaves has increased the yield of the wet grape more than the one applied to the soil (7.00 b and 8.4 a kg grape/grapevine). Moreover water soluble dry matter (%), and titratable acidity (g/100 cc) of grape with rising zinc doses, has increased as an average of NPK and zinc application and, the most water soluble dry matter (18.91%) and titratable acidity (2.74g/100cc) has been obtained by application of 20g Zn/grapevine.Öğe Effects of different fertilizers with potassium and magnesium on the yield and quality of potato(ASIAN JOURNAL OF CHEMISTRY, 2008) Zengin, M.; Goekmen, F.; Gezgin, S.; Cakmak, I.Potato (Solanum tuberosum var. Granola) were grown in trials of 15.15.15, gypsum, kieserite, potassium sulphate, kalimagnesia and ammonium sulphate materials in two locations of Nevsehir and Nigde provinces in 2005 and 2006 years. According to the results, in every two years in all locations effects of fertilizers used on tuber yields, tuber size distribution, dry matter content of tuber and K, Mg and S contents of leaves were significant changing depend on the locations. An important relation between K, Mg and S nutrition of plant and tuber yields were found in all locations. In two years, tuber yields obtained in all locations increased changing ratios between 2.4 and 132.9 % by fertilizer treatments with K, Ca, Mg and S by the side of N and P according to control treatment contained only N and P. In every two years, in ail locations the highest tuber yield was obtained by treatment 6 having CAN + DAP + kalimagnesia + urea fertilizers that were given 650 kg N, 120 kg K2O, 68 kg S and 40 kg MgO per ha and treatment 5 having CAN + DAP + potassium sulphate + urea followed to this. At the same time, tuber yield having < 35 mm size decreased in ratio of 22.9 % as mean of all locations in treatment 6 according to control.Öğe An Investigation of the Suitable Methods for Determining Plant-Available Nitrogen in the Soil of the Konya-Çumra Plain(1994) Gezgin, S.; Karakaplan, S.For determining the plant-available nitrogen in the soil, a greenhouse experiment was conducted to determine the most suitable chemical methods by growing wheat as a test plant. Correlations were calculated between the biological indexes, and nine different chemical methods were used to determine the plant-available nitrogen in the soil being studied. Out of the nine different methods, the NO3-N method is recommended for determining the plant-available nitrogen in the soil of the Cumra plain.Öğe Physiological screening of wheat genotypes grown under boron stress(ELSEVIER SCIENCE BV, 2018) Hakki, E. E.; Pandey, A.; Khan, M. K.; Hamurcu, M.; Gezgin, S.[Abstract not Available]Öğe Puccinellia distans - A potential plant to reveal boron toxicity and salt tolerance mechanisms(ELSEVIER, 2019) Hakki, E. E.; Pandey, A.; Khan, M. K.; Hamurcu, M.; Celik, O.; Gezgin, S.; Atmaca, E.; Inanc, M.; Gumus, T.; Cakir, O.; Tarhan, C.; Sameeullah, M.[Abstract not Available]Öğe Seasonal variations of metal concentrations in muscle tissue of tench (Tinca tinca), water and sediment in Beysehir Lake (Turkey)(TAYLOR & FRANCIS LTD, 2011) Aktümsek, Abdurrahman; Gezgin, S.Concentrations of 10 metals (Al, As, Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn) in muscle tissue of tench (Tinca tinca), water and sediment in Beysehir Lake were analysed using inductively coupled plasma atomic emission spectrophotometry (ICP-AES). Tench is one of the most abundant fish species in Beysehir Lake. Metal levels were analysed in only the muscle tissue of the fish, because this provides information on the potential risk to the fish themselves and to consumers of these edible portions of the fish. The Cu concentration was the highest in all the samples of the lake's sediments and waters, studied in all seasons, and ranged between 24.01 mu g g(-1) (in spring) and 90.30 mu g g(-1) (in summer), but Cu concentrations in T. tinca were low: 0.03 mu g g(-1) (in summer) to 0.21 mu g g(-1) (in spring). Metal concentrations in sediments, waters and tench varied seasonally. All metal concentrations in sediments were higher than those in water and fish. However, all metal concentrations, except Zn, were lowest in fish muscle tissue.
