Yıl 2017, Cilt 18 , Sayı 4, Sayfalar 269 - 274 2017-12-28

Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings
Kuraklık stresli Quercus cerris fidanlarının fizyolojik ve biyokimyasal özelliklerindeki değişimler

Ayşe Deligöz [1] , Esra Bayar [2]


Turkey oak is among the species that can be used for the afforestations in the semi-arid and arid regions of Turkey. Understanding how the Turkey oak responds to drought could contribute to improve stress tolerance and to the success of afforestation programs of species. In this study, the response of one-year-old seedlings of Turkey oak (Quercus cerris L.) to the drought stress was investigated. Under controlled conditions, the seedlings in the control group were regularly irrigated during the stress experiment, while drought-stressed seedlings were subjected to drought stress by withholding irrigation for 30 days. Both control and drought-stress treatment groups were sampled on days 0, 7, 14, 21 and 30, and their stem xylem water potential, stomatal conductance and total soluble sugars were determined. In addition, the volumetric soil moisture content was also determined. As a result, significant differences were found in xylem water potential, stomatal conductance and total soluble sugar between the control and drought-stressed seedlings. Drought stress significantly reduced soil moisture content and consequently, xylem water potential of the drought-stressed oak seedlings were lower than the control seedlings. Drought stress decreased stomatal conductance, but significantly increased accumulations of total soluble sugars.

Saçlı meşe, ülkemizde kurak ve yarı kurak bölge ağaçlandırmalarında kullanılabilecek türler arasında yer almaktadır. Saçlı meşenin kuraklığa nasıl bir tepki verdiğini anlamak, türün stres toleransının geliştirilmesine ve ağaçlandırma programlarının başarısına katkı sağlayabilir. Bu çalışmada, 1+0 yaşındaki tüplü saçlı meşe (Quercus cerris L.) fidanlarının kuraklık stresine tepkisi araştırılmıştır. Kontrollü koşullarda, kuraklık stresi uygulanan fidanlar bir ay süresince susuz bırakılırken, kontrol fidanları stres denemesi süresince düzenli olarak sulanmıştır. Kuraklık stres denemesi süresinde 0, 7, 14, 21 ve 30. günlerde hem kontrol hem de kuraklık stresi işlem grubundan örneklenen fidanlar üzerinde gövde ksilem su potansiyeli, stoma iletkenliği ve  toplam çözünebilir şeker içeriği belirlenmiştir. Ayrıca, hacimsel toprak nem içeriği tespitleri de yapılmıştır. Sonuç olarak, ksilem su potansiyeli, stoma iletkenliği ve toplam çözünebilir şekerler bakımından kontrol ve kuraklık stresli fidanlar arasında önemli farklılıklar belirlenmiştir. Kuraklık stresi toprak nem içeriğini oldukça düşürmüş ve buna bağlı olarak da stres altındaki saçlı meşe fidanlarının ksilem su potansiyeli kontrol fidanlarından daha düşük bulunmuştur. Kuraklık stresi, toplam çözünebilir şeker birikimini arttırırken, stoma iletkenliğini düşürmüştür.

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Konular Sosyal
Bölüm Orijinal Araştırma Makalesi
Yazarlar

Yazar: Ayşe Deligöz
Kurum: SÜLEYMAN DEMİREL ÜNİVERSİTESİ, ORMAN FAKÜLTESİ
Ülke: Turkey


Yazar: Esra Bayar
Kurum: SÜLEYMAN DEMİREL ÜNİVERSİTESİ, ORMAN FAKÜLTESİ
Ülke: Turkey


Tarihler

Yayımlanma Tarihi : 28 Aralık 2017

Bibtex @araştırma makalesi { tjf318318, journal = {Turkish Journal of Forestry}, issn = {}, eissn = {2149-3898}, address = {}, publisher = {Isparta Uygulamalı Bilimler Üniversitesi}, year = {2017}, volume = {18}, pages = {269 - 274}, doi = {10.18182/tjf.318318}, title = {Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings}, key = {cite}, author = {Deligöz, Ayşe and Bayar, Esra} }
APA Deligöz, A , Bayar, E . (2017). Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings. Turkish Journal of Forestry , 18 (4) , 269-274 . DOI: 10.18182/tjf.318318
MLA Deligöz, A , Bayar, E . "Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings". Turkish Journal of Forestry 18 (2017 ): 269-274 <https://dergipark.org.tr/tr/pub/tjf/issue/33479/318318>
Chicago Deligöz, A , Bayar, E . "Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings". Turkish Journal of Forestry 18 (2017 ): 269-274
RIS TY - JOUR T1 - Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings AU - Ayşe Deligöz , Esra Bayar Y1 - 2017 PY - 2017 N1 - doi: 10.18182/tjf.318318 DO - 10.18182/tjf.318318 T2 - Turkish Journal of Forestry JF - Journal JO - JOR SP - 269 EP - 274 VL - 18 IS - 4 SN - -2149-3898 M3 - doi: 10.18182/tjf.318318 UR - https://doi.org/10.18182/tjf.318318 Y2 - 2017 ER -
EndNote %0 Türkiye Ormancılık Dergisi Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings %A Ayşe Deligöz , Esra Bayar %T Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings %D 2017 %J Turkish Journal of Forestry %P -2149-3898 %V 18 %N 4 %R doi: 10.18182/tjf.318318 %U 10.18182/tjf.318318
ISNAD Deligöz, Ayşe , Bayar, Esra . "Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings". Turkish Journal of Forestry 18 / 4 (Aralık 2017): 269-274 . https://doi.org/10.18182/tjf.318318
AMA Deligöz A , Bayar E . Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings. Turkish Journal of Forestry. 2017; 18(4): 269-274.
Vancouver Deligöz A , Bayar E . Variations in physiological and biochemical traits of drought-stressed Quercus cerris seedlings. Turkish Journal of Forestry. 2017; 18(4): 274-269.