Yield potential of some oilseed sunflower hybrid cultivars in Menemen ecological conditions | Bazý yaðlýk hibrit ayçiçeði çeþitlerinin Menemen ekolojik koþullarýnda performanslarý

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turc. Bu araþtýrmanýn amacýný istenilen özelliklere uygun yaðlýk hibrit ayçiçeði çeþit adaylarýný saptamak oluþturmuþtur. Denemeler, 2009 ve 2010 yetiþtirme sezonunda, tesadüf bloklarý deneme deseninde ve 4 tekerrürlü olarak Ege Tarýmsal Araþtýrma Enstitüsü (ETAE) deneme tarlalarýnda yürütülmüþtür. Çalýþmanýn materyalini ETAE ayçiçeði ýslah programýnca geliþtirilen yaðlýk hibrit çeþit adaylarý ve tescilli çeþitler oluþturmuþtur. Yapýlan deðerlendirmeler, denemelerde yer alan çeþitlerin tane verimi (kg/da) yanýnda bin tane aðýrlýðý (g), yað oraný (%), yað verimi (kg/da), 1000 tane aðýrlýðý (g), kabuk oraný (%) ile bitki boyu (/cm), tabla çapý (cm) çiçeklenme ve fizyolojik olum gün sayýlarý açýsýndan istatistik olarak farklý olduklarýný ortaya koymuþtur. Araþtýrmada, 2009 yýlýnda en yüksek tane verim ETAE-Y-TM-2007-5 ve Sanay çeþitlerinden sýrasýyla 572 kg/da ve 571 kg/da olarak sýrasýyla elde edilmiþtir. 2010 yýlýnda ise en yüksek verimi ETAE-Y-TM-2007-4, ETAEY- TM-2007-2'den sýrasýyla 543 kg/da ve 531 kg/da olarak elde edilmiþtir. Yað verimi bakýmýndan yapýlan deðerlendirmede; 2009, 2010 ve her iki yýl ortalamasý dikkate alýndýðýnda; ETAE-Y-TM-2007-2; 4; 5 ve 12 sýrasýyla 255, 250, 244 ve 245 kg/da yað verimleri ile en yüksek deðere ulaþan çeþitler olmuþtur. Ayçiçeði üretim artýþý, ekim alanlarýnýn geniþletilmesi ve ikinci ürün tarýmýna önem verilmesi yaný sýra birim alandaki verimin artýrýlmasý, yüksek verim potansiyeline sahip çeþitlerin üretilmesi ile mümkün olacaktýr. Araþtýrma sonuçlarý verim performansý ve agronomik karakterler bakýmýndan yapýlan deðerlendirmede çeþit adaylarýndan özellikle ETAE-Y-TM-2007-2; 4; 5 ve 12 verim ve kalite bakýmýndan umut verici olarak ayçiçeði tarýmýnda yer alabileceðini ortaya koymaktadýr.

Summaries (En, Tr)

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anglais. The main objectives of the study was to determine suitable oilseed sunflower hybrid cultivars. The experiments were conducted in 2009 and 2010 growing seasons on the experiment field of Aegean Agricultural Research Institute (AARI) in Menemen conditions. The experiments were conducted in randomized complete block design with four replications. Research material were the candidate oilseed hybrid sunflower varieties which were developed by sunflower breeding program of AARI and oilseed hybrid sunflower varieties. Observations were made on seed yield (kg/da), oil yield (kg/da), 1000 seed weight, seed oil content, plant height (cm), head diameter (cm), husk percentage (%), days to flowering date (days) and days to phisological maturity (days). According to two year results of this study statistically significant differences found all traits among the varieties in Menemen conditions. The highest yield obtained from ETAE-Y-TM-2007-5 and Sanay as 572 kg/da and 571 kg/da respectively in 2009. Whereas, the highest yield obtained from ETAE-Y-TM-2007-4 and ETAE-Y-TM- 2007-2 as 543 kg/da and 531 kg/da respectively in 2010. According to the results the highest oil yield obtained from ETAE-YTM- 2007-2; 4; 5 and 12 as 255, 250, 244 ve 245 kg/da respectively in mean values of 2009 and 2010. Increase in sunflower production could be possible by the expansion of acreage, giving importance to the second crop agriculture and, in addition the high-yielding varieties need to be planted. Research results indicated that the yield and some quality performance of ETAE-YTM- 2007-2, 4, 5 and 12 found to be promising candidate hybrid varieties for sunflower production in Turkey.