Yarı Kurak İklim Koşullarında Hibrid Ayçiçeği Çeşitlerinin Performanslarının Karşılaştırılması

Yarı kurak iklim koşullarında yürütülen çalışmada sulama yapılmadan sadece yağmura dayalı tarım sisteminde 16 hibrid ayçiçeği çeşidinin (Bosfora, Fx 9008, Fx 9009, Fx 9114, Hornet, Lg 5550, Lg 5580, Maximus, Oliva, Reyna, Sanay, Sanbro, Sirena, Tarsan, Transol and Tunca) verim ve verim performanslarının karşılaştırılması amaçlanmıştır. Araştırma tesadüf blokları deneme desenine göre 3 tekerürlü olarak 2012-2013 yıllarında Kırşehir Ahi Evran Üniversitesi deneme tarlalarında yürütülmüştür. Ayçiçeğinin yetişme döneminde, gerçekleşen yağış miktarının 2012 yılında 130 mm, 2013 yılında ise 40 mm olması verim ve verim parametrelerinde önemli farklılıklara neden olmuştur. Yağış miktarındaki azalmaya bağlı olarak çeşitlerin bitki boyu % 16.57, tabla çapı % 18.90, bin tohum ağırlığı % 20.00, yağ verimi % 29.70 ve tohum veriminde % 30.59 oranında ortalama azalma gözlenmiştir. Tohum verimindeki düşüş çeşitlere göre farklılık göstermekle birlikte % 13.95 ile % 49.69 arasında değişmiştir. Sonuç olarak, 2012 yılında Tarsan çeşidinden en yüksek tohum (3.03 t/ha) ve yağ verimi (1.40 t/ha) elde edilirken, 2013 yılında kuraklık stresi altında en yüksek tohum verimi 1.76 t / ha (Hornet) ve en yüksek ham yağ verimi 0.85 t/ha ile Transol çeşidinden elde edilmiştir.

Anahtar Kelimeler:

Ayçiçeği, korelasyon, verim

Comparing The Performances of Sunflower Hybrids in Semi-Arid Condition

The study was taken place in semi-arid climate and rainfed conditions to compare the yield and yield performance of sixteen hybrid sunflower cultivars (Bosfora, Fx 9008, Fx 9009, Fx 9114, Hornet, Lg 5550, Lg 5580, Maximus, Oliva, Reyna, Sanay, Sanbro, Sirena, Tarsan, Transol and Tunca). The experiment was established with randomized complete block design with three replications at experimental field of Kırşehir Ahi Evran University in 2012-2013. During the growing period of sunflower, 130 mm of precipitation recorded in 2012, and this precipitation was normal compared to long-term anomaly, but the 40 mm precipitation in 2013 was approximately 70% lower than the long-term. The yield decreases varied from 13% to 50% comparing the years and these changes were attributed to the genetic abilities of the cultivars and limited precipitation in 2013. The decrease in the amount of precipitation between research years caused a significant decrease in the plant height (16.57%), head diameter (18.90%), 1000 seed weight (20.00%), oil yield (29.70%) and seed yield (30.59%) of cultivars. As a result, the highest seed (3.03 t/ha) and oil yield (1.40 t/ha) was obtained from Tarsan cultivar in 2012, while in 2013, under drought stress, the highest seed yield was 1.76 t/ha (Hornet) and the highest crude oil yield with 0.85 t/ha was obtained from Transol cultivar.

Keywords:

correlation, seed yield, sunflower,

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