Çukurova Koşullarında Bitki Yoğunluğu ve Bitki Yaşının Şeker Otu (Stevia rebaudiana Bertoni)’nun Verimine Etkisi

Abstract

Ülkemizde Şeker otu olarak bilinen Stevia rebaudiana Bertoni L., Asteraceae familyasından çok yıllık otsu
çalı formunda bir bitki olup Türkiye florasında doğal olarak bulunmamaktadır. Ülkemizde Çukurova Bölgesinde
2013 yılında Stevia ile ilgili ilk kez adaptasyon çalışmaları başlatılmış ve bitkinin ticari ekonomik ömrünü saptamak
amacıyla hasatlar 2016 yılına kadar sürdürülmüştür. Çalışmada, 2015 ve 2016 yıllarına ilişkin 3 ve 4 yaşlı bitkilerde
30x60,45x60,60x60 cm ekim sıklığı uygulamalarından olumlu sonuçlar elde edilmiştir. En yüksek yaprak verimi
(268.9 kg da-1) 45x60 cm ekim sıklığından 3. yılda elde edilmiş 4. yılda verim 88.7 kg da-1’a gerilemiştir

Keywords

• Stevia rebaudiana,şeker otu,bitki yaşı,ekim sıklığı

The Effects of Plant Density and Plant Age on Yield of Stevia (Stevia rebaudiana Bertoni) in Çukurova Conditions

Abstract

Stevia rebaudiana Bertoni L. known as Şeker otu in Turkey is a perennial bush and it is the member
of the Asteracea family. Stevia is not naturally found in Turkey flora. Adaptation research was frstly started in
Çukurova in 2013 and harvests were continued until 2016 for determining the economic life span. In the study,
three and four-year plants grown at spaced 30x60,45x60,60x60 cm provide the promising results regarding leaf
yield values. The highest leaf yield (268.9 kg da-1) was obtained from three-year-old plants and 45x60 cm spaced,
then, yield decrease to 88.7 kg da-1 in the fourth year.

Keywords

• Stevia rebaudiana,sweet herb,plant age,plant density

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