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Articles by Necmettin Celik
Total Records ( 3 ) for Necmettin Celik
  Mevlut Turk , Gamze Bayram , Emine Budakli and Necmettin Celik
  The effects of six zeolite and soil rates (20% zeolite+80% soil, 0% zeolite 60% soil, 60% zeolite+40% soil, 80% zeolite+20% soil and 00% zeolite, 00% soil) on plant height, green herbage yield, hay yield and dry root weight of alfalafa (Medicago sativa L.) were evaluated under the greenhouse conditions in Bursa, Turkey in 2001 and 002. The highest plant height (68.56 cm), green herbage yield (74.10 g/pot) and dry root weight (9.13 g/pot) were obtained from the pots in which 20% zeolite+80% soil was used. There was no significant differences between treatment and control for the hay yield. The lowest values for all components were determined from the pots with 100% zeolite.
  Mevlut Turk and Necmettin Celik
  The purpose of this research was to evaluate phenotypic correlation coefficients between seed yield and some yield components and to determine the direct and indirect effect of 9 components on seed yield in sainfoin (Onobrychis sativa L.). The research was conducted at the Agricultural Research and Experiment Center of Agriculture Faculty, Uludag University in 2000-2003. The field experiments were established in a split plot design with four replications. Seed yield, plant height, raceme number per plant, stem number per m2, raceme number per m2 , fruit number per raceme, fruit weight per raceme, fruit number per plant, fruit weight per plant and 1000-fruit weight were determined. The data obtained over 3 years were combined. According to results of this research, seed yield was positively and significantly correlated with raceme number per plant (r = 0.266**), fruit number per raceme (r = 546**), fruit weight per raceme (r = 538**), fruit number per plant (r = 0.495**), fruit weight per plant (r = 0.490**) and 1000-fruit weight (r = 0.602**), while seed yield was negative and significantly correlated with stem number per m2 (r = -0.353**) and raceme number per m2 (r = -0.305**). Path coefficient analyses revealed that fruit number per plant (2.2757 and 28.50%) had the highest positive direct effect, followed by fruit weight per raceme (1.6989 and 20.74%), on seed yield, while fruit weight per plant showed the highest negative direct effect (-2.3369 and 28.59%).
  Emine Budakli , Necmettin Celik , Mevlut Turk , Gamze Bayram and Birol Tas
  The objectives of this research were to determine the contribution of stem reserves to grain development under drought stress conditions that were created at post-anthesis by chemical desiccant application and to determine the drought-resistant varieties grown at four levels of nitrogen under the ecological conditions found in Bursa, Turkey, in 2003 and 2004. Ten varieties of two-rowed barley were used as plant materials in the experiment. In this study, various parameters-such as Dry Matter Translocation (DMT), Dry Matter Translocation Efficiency (DMTE), Rate of Grain Weight Reduction (RGWR), Mean Productivity (MP) and Seed Yield Tolerance (SYT) of varieties were determined. The highest values of DMT and DMTE were found in the Serifehanim-98 and Balkan-96 varieties and the lowest values in the Angora variety, according to the 2-year study results. The other varieties varied between these values. On the other hand, Serifehanim-98 and Suleymanbey-98 had the highest MP and the lowest SYT values that are considered ideal for growth under dry conditions.
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