Yazar "Ekinci, R." seçeneğine göre listele

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    Effect of Verticillium dahliae Kleb. on cotton yield and fiber technological properties
    (Springer, 2012) Karademir, E.; Karademir, C.; Ekinci, R.; Baran, B.; Sagir, A.
    The objective of this study was to determine the effect of Verticillium dahliae Kleb. on cotton yield and fiber technological properties, relationships among to disease and seed cotton yield, fiber yield and fiber technological properties and also determine susceptible and tolerant cotton varieties. The study was conducted in the Southeastern Anatolia Agricultural Research Institute's experimental area during 2004-2006. The experiment was arranged as a randomized split block design with four replications. Main plot consisted of infected and non-infected area, sub-plot consisted of varieties. In this study 10 different commercial cotton varieties were grown to test the verticillium wilt performance. The results indicated that there were significant differences among varieties for all of the investigated characteristics. Area differences were significant for all of the investigated traits except ginning percentage. The results of the non-infected area showed that there were decreasing with regard to foliar disease index (FDI), vascular disease index (VDI), vascular disease rate (VDR), first picking percentage, fiber fineness, micronaire and yellowness; while increasing with regard to seed cotton yield, fiber yield, fiber length, strength, elongation, uniformity, reflectance and spinning consistecy index. Only ginning percentage was unaffected from area differences. With planting cotton varieties in non-infected area there were 323.60 kg ha(-1) increase for seed cotton yield and 114.50 kg ha(-1) for lint yield. Disease led to a decrease (7.86%) in seed cotton yield and (6.73%) in fiber yield. The results of this study indicated that GW-Teks, GW-Golda and Carmen varieties were tolerant; while Maras 92, Sayar 314 and Stoneville 453 were sensitive in terms of FDI, VDI and VDR and tolerant varieties can be used as parents in Verticillium breeding programs.
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    THE IMPACT OF DIFFERENT SEEDING DATES ON SEED YIELD OF SOYBEAN
    (Pakistan Agricultural Scientists Forum, 2012) Karaaslan, D.; Hakan, M.; Ekinci, R.; Boydak, E.
    This study was conducted to determine the effect of six different seeding dates (15th April, 1st May, 15th May, 1st June, 15th June and 30th June) on the yield and yield components of the soybean. The experimental design was a randomized complete block with split plot having four replicates. The studies were conducted at GAP International Agricultural Research and Training Center in 2004, 2005 and 2006 years. The results indicated that the cultivars were significantly influenced by the different seeding dates for the traits of plant height (PH), first pod height (FPH), pod number (PN), weight for 100 seeds (SW), seed yield (SY), oil yield (OY) and protein yield (PY), It was observed that cv. NE3399 had the highest seed yield while the lowest seed yield was given by UMUT2002.
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    THE INVESTIGATION OF COLD TOLERANCE IN COTTONSEED (GOSSYPIUM HIRSUTUM L.) GERMINATION
    (Corvinus Univ Budapest, 2018) Ekinci, R.
    This study was carried out to determine the factors affecting the cold tolerance of cotton genotypes and to determine the relationships between cold tolerance and some seed characteristics in 2017. Fourteen cotton varieties belonging to G. hirsutum L. were used as material. Cold (15 degrees C) and normal (30 degrees C) germination condition parameters and fatty acid composition of the cotton varieties were investigated. Resulting, genetic structure and environmental conditions were effective in terms of fatty acid composition and cold tolerance parameters in addition to need of 21 days which is the time to germinate in cold conditions. Varieties Fantom and Stoneville-453 were the highest mid-tolerant, followed by BA-119, Sayar-314 and Deltapine-499, second degree mid-tolerant, and Berke, Deltaopal, SureGrow-125 and Deltapine-332 were medium tolerant in the third grade while Carmen, Gloria, Flora and Teks varieties were sensitive. Positive relationship was observed between cold tolerance and linolenic acid, stearic acid, saturated fatty acids, saturated/unsaturated fatty acid ratio, 100 seed weight, and seed density while negative relationship was between cold tolerance and oleic acid, linoleic acid, palmitic acid, unsaturated fatty acids, unsaturated/saturated fatty acid ratio, oleic/linolenic acid ratio, oleic/palmitic acid ratio, and linoleic/palmitic acid.