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    CORRELATIONS BETWEEN CANOPY TEMPERATURE, CHLOROPHYLL CONTENT AND YIELD IN HEAT TOLERANT COTTON (GOSSYPIUM HIRSUTUM L.) GENOTYPES
    (Parlar Scientific Publications (P S P), 2018) Karademir, Emine; Karademir, Cetin; Sevilmis, Ugur; Basal, Huseyin
    The study aimed to determine relationships among canopy temperature, chlorophyll content, seed cotton yield and fiber quality properties and using these relationships to screen large material in cotton breeding program under field conditions for heat tolerance. In this study 140 lines and 5 control varieties (Stoneville 468, DP 499, SJ-U 86, AGC 85 and AGC 208) were used as plant material. Field experiment was conducted as augmented design with four blocks. Canopy temperature (CT) measured three times during cotton growing, pre-flowering peak flowering and post flowering, on the other hand chlorophyll content was measured in peak flowering stage. The results of this study indicated that seed cotton yield significantly correlated with canopy temperature and was not affected by crop stage development.
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    DETERMINATION OF BOTANICAL COMPOSITION, YIELD AND PASTURE QUALITY RATINGS OF INFERTILE PASTURES IN KOZLUK DISTRICT OF BATMAN PROVINCE OF TURKEY
    (Parlar Scientific Publications (P S P), 2019) Seydosoglu, Seyithan; Cacan, Erdal; Sevilmis, Ugur
    This study was carried out to determine the yield, quality, capacity and species diversity in Kozluk pastures of Batman province of Turkey. Studies were carried out in pastures of five villages (Yenicaglar, Karpuzlu, Kavakdibi, Kahveci and Yaprakli). Vegetation measurement was conducted by wheeled loop method. Total average plant coverage rate of relevant pastures was 84,7% where the ratio of graminea in the botanical composition was 25,4%, the ratio of legumes was 36,8% and the rate of other family plants was 37,8%. The ratio of the decreasers was 1,8%, the ratio of increasers were 9,5% and the rate of the invaders was 88,8%. The average green grass yield of the pastures was 1,2 t/ha and the hay yield was 0,3 t/ha. The average pasture quality grade of the pastures was 3,89. As a result of vegetation surveys, it was concluded that three of five pastures were at medium condition and two were in need of improvement treatments.
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    Status and health of some natural pastures in south east Anatolia region of Turkey
    (Range Management Soc India, 2019) Seydosoglu, Seyithan; Kokten, Kagan; Saruhan, Veysel; Sevilmis, Ugur
    To study the status and health of pastures in Derik district of Mardin province in south east Anatolia region, seven natural pastures were surveyed by modified wheel point with loop. Total of 45 plant species were recorded in studied pastures. The study was carried out during May and June 2015. Plant species were divided into three different groups: decreasers, increasers and invaders according to the palatability of the plant species for the grazing animals. Average vegetation cover ratio was found as 70.0%. Plant cover percentages of grasses, legumes and other family plants in the total plant cover were 21.53%, 29.19% and 49.28%, respectively. Invasive species were found dominant in these studied pastures. Thus pastures of Mardin province were highly degraded, and sustainable management and rehabilitation techniques need to be urgently applied to stop this on-going continuous degradation.
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    Yield & fiber technological traits of advanced cotton lines developed by line tester mating design
    (Parlar Scientific Publications, 2017) Karademir, Cetin; Karademir, Emine; Sevilmis, Ugur
    The purpose of this study was to determine yield and fiber technological characteristics of advanced cotton lines developed by crossing parents which were selected in terms of their genetic diversity and genetic distances and comparing them with controls. The research has been carried out in GAP International Agricultural Research and Training Center experimental area during 2013 and 2014 cotton growing season. Developed 10 advanced lines and 2 cotton cultivars (GW Teks and Stoneville 468) were used as material. The study was conducted in randomized complete block design with four replications. The statistical results showed that there were significant differences between lines/varieties in terms of all observed characteristics. The effect of year was significant for seed cotton yield, fiber yield, first picking percentage, ginning percentage, fiber fineness and fiber elongation. Year x variety interaction was significant for seed cotton yield, fiber yield, fiber uniformity index and short fiber index. According to the results of this study it was determined that Fiber Max 832 x Stv 453; Fiber Max 832 x Stv 453/2 for seed cotton yield and fiber yield; Stoneville 453, Tam 94 L 25 x Stv 453 and Fiber Max 832 x Stv 453 for ginning percentage; Tam 94 L 25 x Stv 453/2 for fiber fineness and fiber length; GW Teks, Giza 45 x Sayar 314 and GW Teks x Stv 453 for fiber strength were promising varieties. © by PSP.
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    YIELD AND FIBER TECHNOLOGICAL TRAITS OF ADVANCED COTTON LINES DEVELOPED BY LINE TESTER MATING DESIGN
    (Parlar Scientific Publications (P S P), 2017) Karademir, Cetin; Karademir, Emine; Sevilmis, Ugur
    The purpose of this study was to determine yield and fiber technological characteristics of advanced cotton lines developed by crossing parents which were selected in terms of their genetic diversity and genetic distances and comparing them with controls. The research has been carried out in GAP International Agricultural Research and Training Center's experimental area during 2013 and 2014 cotton growing season. Developed 10 advanced lines and 2 cotton cultivars (GW Teks and Stoneville 468) were used as material. The study was conducted in randomized complete block design with four replications. The statistical results showed that there were significant differences between lines/varieties in terms of all observed characteristics. The effect of year was significant for seed cotton yield, fiber yield, first picking percentage, ginning percentage, fiber fineness and fiber elongation. Year x variety interaction was significant for seed cotton yield, fiber yield, fiber uniformity index and short fiber index. According to the results of this study it was determined that Fiber Max 832 x Sty 453; Fiber Max 832 x Sty 453/2 for seed cotton yield and fiber yield; Stoneville 453, Tam 94 L 25 x Sty 453 and Fiber Max 832 x Sty 453 for ginning percentage; Tam 94 L 25 x Sty 453/2 for fiber fineness and fiber length; GW Teks, Giza 45 x Sayar 314 and GW Teks x Sty 453 for fiber strength were promising varieties.