Araştırma; organik kaynaklı bazı gübrelerin ekmeklik buğdayda tane verimi, verim komponentleri ve protein oranına etkilerini araştırmak amacıyla, 2010/11 ve 2011/12 yetiştirme döneminde Isparta’da kıraç şartlarda yürütülmüştür. Deneme tesadüf bloklarında bölünmüş parseller deneme desenine göre 3 tekerrürlü olarak, ana parsellere gübre uygulamaları ve alt parsellere buğday çeşitleri gelecek şekilde kurulmuştur. Çeşitler arasında; her iki yılda da en yüksek tane verimi, verim komponentleri ve protein oranı Altay- 2000 çeşidinden, en düşük Sultan ve Yıldız çeşitlerinde belirlenmiştir. Gübre uygulamaları karşılaştırıldığında; tane verimi, verim komponentleri ve protein oranı her iki yılda da en yüksek geleneksel gübre uygulamasında, en düşük deniz yosunu gübresinden elde edilmiştir. Gübre uygulaması x çeşit interaksiyonunda, her iki yılda da başak boyu (sırasıyla, 9.3 ve 11.8 cm), başaktaki tane sayısı (sırasıyla, 51.7 ve 58.0 adet), 1000 tane ağırlığı (sırasıyla, 37.5 ve 38.8 g), tane verimi (sırasıyla, 373.3 ve 384.7 kg/da) ve protein oranı (sırasıyla, % 12.6 ve 12.5) bakımından en yüksek değerler geleneksel gübreleme uygulamasında Altay-2000 çeşidinden, hektolitre ağırlığı bakımından en yüksek değer birinci yıl 77.0 kg ile geleneksel gübreleme uygulamasında Altay-2000 çeşidinden, ikinci yıl 78.7 kg ile yine geleneksel gübreleme uygulamasında Sultan çeşidinden, m2’de başak sayısı (sırasıyla, 374.1 ve 388.6 adet) bakımından ise en yüksek değer deniz yosunu uygulamasında Yıldız çeşidinden elde dilmiştir. Genel olarak, her iki yılda da tüm çeşitlerde en düşük tane verimi, verim komponentleri ve protein oranı hümik asit ve deniz yosunu uygulamalarında tespit edilmiştir. En düşük m2’de başak sayısı birinci yıl hümik asit, ikinci yıl ise ahır gübresinde belirlenmiştir.
The research was carried out to determine the effects on grain yield, yield components and protein content of bread wheat in an arid condition of Isparta province during 2010/11 and 2011/12 growing seasons. The experiment was set up according to a Randomized Complete Block Design in a split-plot arrangement with three replicates, where fertilizer practices were in the main plots while the wheat cultivars were in subplots split within the main plots. For the wheat cultivars, while the highest ear yield, its components and protein content were obtained from Altay-2000 cultivar, the lowest was determined at the Sultan and Yıldız cultivar in both years. For the fertilizer practices, while the conventional fertilizer practice resulted in the highest ear yield and yield components and protein content however the lowest level was determined same features for the seaweed application in both years. The highest ear length (9.3 and 11.8 cm), number of kernels per ear (51.7 and 58.0 grain), 1000 grain weight (37.5 and 38.8 g), grain yield (3733 and 3847 kg ha-1) and protein content (12.6 and 12.5 %) were obtained from the conventional fertilizer on Altay-2000 in both 2010/11 and 2011/12, respectively. The highest hectoliter weight was determined from conventional fertilizer on Altay-2000 (77.0 kg) and Sultan (78.7 kg) cultivars in both years, respectively. The highest ear number per m2 (374.1 and 388.6) was obtained from Yıldız with the conventional fertilizer in both years. Generally, the lowest ear yield, yield components and protein content were resulted from humic acid and seaweed application for all cultivars. The lowest ear number per m2 was recorded for humic acid and cattle manure applications in 2010/11 and 2011/12.
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