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Dive into the research topics where Abdurrahim Tanju Göksoy is active.

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Featured researches published by Abdurrahim Tanju Göksoy.


New Zealand Journal of Crop and Horticultural Science | 2006

Identification of inbred lines with superior combining ability for hybrid sunflower (Helianthus annuus) production in Turkey

Aydin Turkec; Abdurrahim Tanju Göksoy

Abstract This research was conducted to estimate general and specific combining abilities for seed yield and certain yield components. Five female (CMS) lines and five male (restorer) lines were crossed resulting in 25 hybrids for determination of superior F1 sunflower (Helianthus annuus) hybrids using line × tester analysis. Based on the performance and gca, the parents CMS 11/2, CMS 47/1, RHA 68/4, and RHA 72/3 were found to be good general combiners. The crosses CMS11/2 × RHA68/4, CMS11/2 × RHA69/, CMS11/2 × RHA72/3, CMS46/2 × RHA72/3, and CMS47/1 × RHA71/1 gave the highest yields in the experiment, and in addition, CMS11/2 x RHA68/4 showed significant specific combining ability for seed yield. Three other crosses also revealed positive specific combining ability for other characters.


Helia | 2002

QUANTITATIVE INHERITANCE IN SUNFLOWER (Helianthus annuus L.) / HERENCIA CUANTITATIVA EN GIRASOL (Helianthus annuus L.) / L’HÉRÉDITÉ QUANTITATIVE DANS LE TOURNESOL (Helianthus annuus L.)

Abdurrahim Tanju Göksoy; Aydin Turkec; Zeki Metin Turan

SUMMARY This study was conducted in order to estimate the gene effects which determine the inheritance of certain characters and to search the genetic structure of each group in a 9 x 9 diallel cross group established by crossing inbred lines of sunflower. (1) Significant positive heterotic effects were observed for all the characters studied but for different number of crosses. According to the results obtained, two to three parents were observed to be good general combiners for seed yield and eight hybrids were promising crosses for seed yield and plant height. (2) Both additive and dominance genetic variances were significant for all characters. Also, the overall mean dominance effect of heterozygous loci, h2 was significant for all characters. It was found that positive and negative alleles at these loci were not in equal proportions in the parents (i.e., H1>H2). The average degree of dominance showed overdominance for all characters. RESUMEN El objetivo de este estudio ha sido determinar los efectos de los genes que controlan la herencia de ciertas características, tanto como de investigar la estructura genética de cada grupo dentro de la serie de cruzamientos dialélicos (9 x 9) entre las líneas consanguíneas de girasol. Los resultados han mostrado lo siguiente: 1) se ha determinado el significante efecto positivo de heterosis para todas las características investigadas, y el número de cruzamientos varía dependiendo de las características. Para dos a tres líneas parentales, se ha determinado que son buenos combinadores generales para el rendimiento de la semilla, y ocho híbridos se han mostrado con perspectiva para el rendimiento de la semilla y altura de la planta; 2) se ha determinado una significante variante genética agregada y dominante para todas las características, y el efecto total promedio de dominación para los loci de heterocigotos (h2), también ha sido significante. Se ha determinado que los alelos positivos y negativos en dichos loci, no han sido representados equivalentemente en los padres (H1>H2). El grado promedio de dominación para todas las características, ha sido la súper dominancia. RÉSUMÉ Le but de cette étude était d’évaluer les effets des gènes qui déterminent l’hérédité de certaines caractéristiques et d’examiner la structure génétique de chaque groupe dans un croisement diallélique (9 x 9) entre des lignes inbred de tournesol. Les résultats ont été les suivants: 1) un effet significativement positif de l’hétérosis a été confirmé pour toutes les caractéristiques examinées, le nombre de croisements variait selon les caractéristiques. Il a été constaté que de deux à trois parents étaient de bons éléments de combinaison pour le rendement en semences, et que huit hybrides promettaient de bons résultats pour le rendement en semences et la hauteur de la plante; 2) les variances génétiques dominantes et additives étaient toutes les deux significatives pour toutes les caractéristiques. La dominance générale moyenne des locus hétérozygotes h² était aussi significative pour toutes les caractéristiques. On a constaté que les allèles positifs et négatifs à ces locus n’étaient pas représentés également chez les parents (H1>H2). Le niveau moyen de dominance pour toutes les caractéristiques était une surdominance.


Field Crops Research | 2004

Responses of sunflower (Helianthus annuus L.) to full and limited irrigation at different growth stages

Abdurrahim Tanju Göksoy; A.O. Demir; Zeki Metin Turan; N. Dağüstü


Irrigation Science | 2006

Deficit irrigation of sunflower (Helianthus annuus L.) in a sub-humid climate

Ali Osman Demir; Abdurrahim Tanju Göksoy; Hakan Büyükcangaz; Zeki Metin Turan; Eyüp Selim Köksal


Journal of Agronomy and Crop Science | 2008

Deficit Irrigation of Soya Bean [Glycine max (L.) Merr.] in a Sub‐humid Climate

Mehmet Sincik; Burak Nazmi Candogan; Cigdem Demirtas; Hakan Büyükcangaz; Senih Yazgan; Abdurrahim Tanju Göksoy


Agricultural Water Management | 2013

Yield, quality and crop water stress index relationships for deficit-irrigated soybean [Glycine max (L.) Merr.] in sub-humid climatic conditions

Burak Nazmi Candogan; Mehmet Sincik; Hakan Büyükcangaz; Cigdem Demirtas; Abdurrahim Tanju Göksoy; Senih Yazgan


African Journal of Biotechnology | 2009

Genotype by environment interactions, stability, and heritability of seed yield and certain agronomical traits in soybean [ Glycine max (L.) Merr.]

Abdullah Karasu; Mehmet Oz; Abdurrahim Tanju Göksoy; Zeki Metin Turan


African Journal of Biotechnology | 2010

Quality and yield response of soybean ( Glycine max L. Merrill ) to drought stress in sub–humid environment

Cigdem Demirtas; Senih Yazgan; Burak Nazmi Candogan; Mehmet Sincik; Hakan Büyükcangaz; Abdurrahim Tanju Göksoy


Field Crops Research | 2009

Forage soybean production for seed in mediterranean environments

Esvet Acikgoz; Mehmet Sincik; Abdullah Karasu; O. Tongel; G. Wietgrefe; U. Bilgili; M. Oz; S. Albayrak; Zeki Metin Turan; Abdurrahim Tanju Göksoy


African Journal of Biotechnology | 2009

Effects of honeybee ( Apis mellifera ) pollination on seed set in hybrid sunflower ( Helianthus annuus L. )

Mehmet Oz; Abdullah Karasu; Ibrahim Cakmak; Abdurrahim Tanju Göksoy; Zeki Metin Turan

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M. Oz

Uludağ University

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