Person: GÖKSOY, ABDURRAHİM TANJU
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GÖKSOY
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ABDURRAHİM TANJU
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Publication Response and yield stability of canola (brassica napus l.) genotypes to multi-environments using gge biplot analysis(Univ Centroccidential Lisandro Alvarado, 2021-01-01) Acar, Mustafa; Gizlenci, Sahin; Atagun, Gulhan; Suzer, Sami; Ulusoy, Yahya; ULUSOY, YAHYA; Sincik, Mehmet; SİNCİK, MEHMET; Senyigit, Emre; ŞENYİĞİT, EMRE; Goksoy, Abdurrahim T.; GÖKSOY, ABDURRAHİM TANJU; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Tarla Bitkileri Anabilim Dalı.; Bursa Uludağ Üniversitesi/Mustafakemal Paşa Yüksekokulu.; 0000-0002-0012-4412; 0000-0001-8641-6995; 0000-0003-2658-3905; AAH-1811-2021The GxE interaction (GEI) provides essential information for selecting and recommending cultivars in multi-environment trials. This study aimed to evaluate genotype (G) and environment (E) main effects and GxE interaction of 15 canola genotypes (10 canola lines and 5 check varieties) over 8 environments and to examine the existence of different mega environments. Canola yield performances were evaluated during 2015/16 and 2016/17 production season in three different locations (Southern Marmara, Thrace side of Marmara, and Black Sea regions) of Turkey. The trial in each location was arranged in a randomized complete block design with four replications. The seed yield data were analyzed using GGE biplot and the yield components data were analyzed using ANOVA. The agronomical traits revealed that environments, genotypes, and GEI were significant at 1 % probability for all of the characters. The variance analysis exhibited that genotypes, environments, and GEI explained 21.6, 21.7, and 25.7 % of the total sum of squares for seed yield, respectively. The GGE biplot analysis showed that the first and second principal components explained 57.3 and 18.3 % of the total variation in the data matrix, respectively. GGE biplot analysis showed that the polygon view of a biplot is an excellent way to visualize the interactions between genotypes and environments.Publication Stability analysis of some soybean genotypes using parametric and non parametric methods in multi-environments(Soc Field Crop Sci, 2021-01-01) Cubukco, Pinar; Kocaturk, Mehmet; Ilker, Emre; Kadiroglu, Abdullah; Vurarak, Yasemin; Sahin, Yesim; Karakus, Mehmet; Yildirim, Umran Akgun; Sincik, Mehmet; Goksoy, Abdurrahim Tanju; GÖKSOY, ABDURRAHİM TANJU; Bursa Uludağ Üniversitesi/Ziraat Fakültesi.; 0000-0002-0012-4412; AAH-1811-2021; JCO-4159-2023; A-3491-2012Seed yields of 14 soybean genotypes were evaluated in four locations i.e. Adana, Sanhurfa, Antalya and Izmir under second crop conditions through summer seasons from 2014 to 2016. The study aims to estimate the stability parameters in terms of seed yield of 14 soybean genotypes by using different stability analysis methods across eleven environmental conditions and to study interrelationships among these stability methods. The analysis of variance for seed yield revealed that the genotypes and the environments as well as the genotype x environment interactions (GEI) were statistically significant at P<0.01. Environmental effects were contributed 51.04% to the total sum of squares whereas GEI and genotype effects were 20.8% and 2.59%, respectively. According to most stability methods, BATEM 223, BATEM 306, BATEM 317 and KASM 02 were determined to be stable genotypes. These genotypes demonstrated superior adaptability with high yield performances in many environments. Results of correlation analysis indicated that seed yield was positively and significantly correlated with Di(2) (P<0.01), Si-(6) (P<0.05) and TOP (P<0.01) and showed a negative and significant correlation with Pi (P<0.01) and RS (P<0.01). In addition, the coefficient of regression (bi) was positively significant associated with CVi, alpha i (P<0.01) and Ri(2) (P<0.05).Publication GGE biplot analysis of genotype x environment interaction in soybean grown as a second crop(Soc Field Crop Sci, 2019-01-01) Kocatürk, Mehmet; Çubukçu, Pınar; Göksoy, Abdurrahim Tanju; Sıncık, Mehmet; İlker, Emre; Kadiroğlu, Abdullah; Vurarak, Yasemin; Şahin, Yeşim; Karakuş, Mehmet; Yıldırım, Ümran Akgün; GÖKSOY, ABDURRAHİM TANJU; SİNCİK, MEHMET; Bursa Uludağ Üniversitesi/Ziraat Fakültesi/Tarla Bitkileri Bölümü; 0000-0002-0012-4412; 0000-0002-1568-2564; AAG-9296-2021; AAH-1811-2021The study was aimed to evaluate the adaptability and stability of the soybean genotypes based on the seed yield and the other observed characteristics in the sites cultivated second crop soybean of Turkey which have Mediterranean climate conditions using the GGE biplot analysis method. The experiments were performed under irrigated conditions in 2014, 2015 and 2016 in four different locations (Adana, Antalya, Izmir and Sanliurfa) of Turkey. Fourteen soybean genotypes consisting of 10 advanced soybean lines and four standard varieties were analyzed by a randomized complete block design with 4 replications. The combined analysis of variance revealed significant (P<0.01) effects for all sources of variation (environment, genotype, and GxE interaction) for the seed yield and yield components. Genotype and environment accounted for about 2.59% and 51.04% of the total variation for seed yield, respectively, while the GE interaction explained 20.84% of the total variation. According to the GGE principle, five mega-environments were formed in the present study. Results of the research revealed that genotypes G8 (KANA), G9 (KASM 02), G11 (ARISOY), G3 (BATEM 306), G1 (BATEM 207) and G12 (ATAEM 7) were found as stable. According to GGE Biplot analysis for all traits and genotypes, G4 (BATEM 317) had the largest values for plant height, first pod height, days to 50% flowering, days to maturity and seed yield.Publication Effect of rainfed and irrigated conditions on yield and quality traits of new-improved sunflower (Helianthus annuus) hybrids in a sub-humid climate(Indian Council of Agricultural Research, 2013-01-01) Öz, Mehmet; Karasu, Abdullah; Kuşcu, Hayrettin; Sincik, Mehmet; Turan, Z. Metin; Göksoy, A. Tanju; ÖZ, MEHMET; KARASU, ABDULLAH; KUŞÇU, HAYRETTİN; SİNCİK, MEHMET; TURAN, ZEKİ METİN; GÖKSOY, ABDURRAHİM TANJU; Uludağ Üniversitesi/Mustafakemalpaşa Meslek Yüksekokulu.; 0000-0001-9600-7685; 0000-0002-0012-4412; 0000-0002-1568-2564; AAH-1811-2021; AAG-9296-2021; AAH-4682-2021; AAH-1754-2021; GHD-7419-2022; S-5338-2018The study was carried out to compare the effects of a rainfed (non-irrigated) and irrigated conditions on yield, certain yield components and quality traits of new-improved sunflower (Helianthus annuus L.) hybrids in southern Marmara Region, Turkey having a sub-humid climate. Over two years (2006 and 2007), significant differences for all characters except plant height and crude oil per-cent were found between irrigation regimes (irrigated and non-irrigated conditions) while genotypes showed significant differences for all characters investigated. Also, genotype x irrigation regime interaction was highly significant for all traits except crude oil percent. In addition, year x irrigation regime, year x genotype and year x genotype x irrigation regime interactions were statistically significant for head diameter, 1 000 seed weight, seed yield and crude oil yield. The seed yield and crude oil yield increased highly with irrigations. The seed yield increases for irrigated treatment compared with non-irrigated treatment were 58.3 % in 2006 and 101.4 % in 2007. Compared with non-irrigated treatment, crude oil yield increases for irrigated treatments were 56.9 % in 2006 and 99.4 % in 2007. Differences between genotypes in seed yield and crude oil yield significantly varied according to irrigated and non-irrigated conditions. The control variety, Sanay and experimental hybrid, C 10 x R 10 produced more seed yield and crude oil yield than those of others in irrigated conditions, whereas highest seed yield and crude oil yield was obtained from the control variety, Muson in non-irrigated condition and differences among other hybrids were not statistically significant under rainfed condition.Publication Forage and grain yield performances of soybean lines(Univ Zagreb, Fac Agriculture, 2005-01-01) Bilgili, Uğur; BİLGİLİ, UĞUR; Şincik, Mehmet; SİNCİK, MEHMET; Göksoy, Abdurrahim Tanju; GÖKSOY, ABDURRAHİM TANJU; Turan, Zeki Metin; Açıkgöz, Esvet; Bursa Uludağ Üniversitesi/Ziraat Fakültesi.; 0000-0002-0012-4412; AAG-9296-2021; AAH-1539-2021; AAH-1811-2021Field experiments were conducted to evaluate the yield and yield components of twelve soybean genotypes as a forage and a grain crop in Marmara Region of Turkey in 2003-2004 growing seasons. Forage and dry matter yield and yield components at one vegetative stage (V5) and two reproductive stages (R2, and R4) and seed yield was determined in all soybean genotypes. The experiments showed that the harvest stages had significant effects on forage and dry matter yield, and R4 reproductive stage had the highest forage and dry matter yield. Dry matter partitioning of soybean plant parts was greatly affected by harvest stages, while the genotypes had little effect on dry matter partitioning of soybean plant parts. There were statistically significant differences between soybean genotypes in seed yield, but the differences were small. The correlations between forage and dry matter yield and seed yield were not statistically significant.Publication Comparison of the effects of different crop rotation systems on winter wheat and sunflower under rain-fed conditions(Academic Journals, 2008-11-19) Doğan, Ramazan; DOGAN, RAMAZAN; Yağdı, Köksal; YAĞDI, KÖKSAL; Göksoy, Abdurrahim Tanju; Turan, M. Z.; GÖKSOY, ABDURRAHİM TANJU; Bursa Uludağ Üniversitesi/Ziraat Fakültesi.; 0000-0001-6415-5755; AAH-1555-2021; AAH-1546-2021The study was made to detect the most suitable crop rotation system(s) under rain-fed conditions of Southern Marmara Region, Turkey. In this study (1995-2001), two different crop rotation systems were carried out: winter wheat and sunflower as main crops experiments. Results were evaluated in terms of crop yielding ability, soil fertility and economic aspects. The sunflower-rapeseed-wheat, rapeseed-fodder pea + sunflower-wheat and rapeseed-common vetch + sunflower-wheat were found the most suitable rotation systems because of their various advantages in the first experiment in which wheat was used as main the crop. The highest sunflower seed yields were obtained from a fodder pea + sunflower-wheat-fodder pea + sunflower crop rotation system both in the first and second three year periods in which sunflower was used as main crop under rain-fed conditions. Economic analysis based on the second three-year results of the research showed that the highest mean net returns were obtained from the rapeseed-common vetch + sunflower-wheat and a fodder pea + sunflower-wheat-fodder pea + sunflower crop rotation systems under rain-fed conditions. These crop rotation systems were found the best crop rotation systems under rain-fed conditions of Southern Marmara region of Turkey. As a result, the rotation systems including common vetch and fodder peas as forage plants under rain-fed conditions gave economically the highest net profit.