Yield and Quality Compounds of Broccoli (Brassica oleracea L.cv. Beaumont) As Affected by Different Irrigation Levels

Abstract

The field experiment was carried out at the Dardanos Agricultural Research Station of Canakkale Onsekiz Mart University in 2015, near Dardanelles straits in Canakkale province, Turkey.  Irrigation interval (4-day) was fixed for all treatments and evaporation was determined by Class-A pan. In the full treatment (I_1.0), water in the root zone was refilled up to field capacity. In the deficit treatments, the water applied was  70 % (I_0.7), 30% (I_0.3) and 0% (I_0.0) of full irrigation. It is concluded that broccoli (Brassica oleracea L.cv. Beaumont) gave the highest yield and quality in terms of that water need (361 mm) was fully met.  If there is water scarcity in the field where broccoli is cultivated, an economical income from broccoli production can be obtained by saving %30 water or applying water of 253 mm. However, if water stress exceeds more than 30%, the yield and especially the quality of broccoli can be significantly losses. 

Keywords

• Broccoli,Water Stress,Drip Irrigation,Yield,Dardanelles,Evaporation pan

Yield and Quality Compounds of Broccoli (Brassica oleracea L.cv. Beaumont) As Affected by Different Irrigation Levels

Abstract

Bu çalışma, 2015 yılında Çanakkale Onsekiz Mart Üniversitesi Ziraat Fakültesi Dardanos Araştırma ve Uygulama alanında yürütülmüştür. Çanakkale koşullarında yapılan bu çalışmada, tüm sulama konularına 4 günde bir A sınıfı buharlaşma kabından meydana gelen buharlaşma miktarına göre sulama suyu uygulanmıştır. Deneme de  4 farklı sulama düzeyi oluşturulmuştur. Bunlar sırasıyla; bitkiyi su stresine sokmayacak tam sulama (I_1.0), ve diğer stres konuları da tam sulama konusunda uygulanan suyun %70’i (I_0.7, orta stres) , %30’u ve %0’nın (I_0.3 veI_0.0 ağır stres) uygulandığı sulama konularıdır. Deneme sonucunda, brokoli (Brassica oleracea L.cv. Beaumont ) bitkisi su ihtiyacının tam karşılandığı  sulama konusunda (I_1.0 , 361mm) en yüksek verim ve kalite değerlerine ulaştığı görülmüştür. Brokoli bitkisinin yetiştirildiği alanda su kısıtının olması durumunda, %30’luk su tasarrufunu yapılarak (I_0.7 , 253 mm) ekonomik oranda verim elde edilebileceği, ancak su stresinin %30’un üzerine çıkması durumunda  verim ve özellikle kalitede  önemli kayıpların olabileceği belirlenmiştir.

Keywords

• Brokoli,Su Stresi,Damla Sulama,Verim,Dardanos

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