Determination of Relationships Between Drought Resistance Parameters and Irrigation Regimes In Prunus mahaleb L. Rootstocks

Year 2018, , 32 - 37, 26.05.2018

İbrahim Kürşat Özyurt , Yaşar Akça , Oğuzhan Aydın

https://doi.org/10.26558/ijcst.366687

Abstract

Determination of Relationships Between
Drought Resistance Parameters and Irrigation Regimes In Prunus mahaleb L. Rootstocks

                                                                                            İ. Kürşat
ÖZYURT^1*             Yaşar AKÇA²          
Oğuzhan AYDIN³

                       

¹Dr. Middle Black Sea Transitional Zone
Agricultural Research Institute, Turkey.

²Prof.Dr. Gaziosmanpaşa University,
Faculty of Agriculture, Departman of Horticulture Turkey.

³Zir. Yük. Müh. Middle Black Sea
Transitional Zone Agricultural Research Institute, Turkey.

Abstract: In this study, the relationships between different irrigation regimes
and drought resistance parameters were investigated in Prunus mahaleb L.  Three Prunus mahaleb L. rootstocks genotypes
with high rooting capacity and SL 64 clonal rootstock were used. Four different
irrigation regimes were applied (I₁= completing water deficient to
field capacity, I₂= 70% of I₁ application, I₃=
40% of I₁ application, I₄= 10% of I₁
application) in drought tests. We found significant positive important
relationships (correlation coefficient) between increased irrigation regimes
and leaf area (0.606), plant length (0.585), plant diameter (0.584),
chlorophyll a (0.485), chlorophyll b (0.613), total chlorophyll (0.532), pH
(0.415), stomata diameter (0.558), stomata length (0.538), stomata number
(0.856).  It is found negative
significant relationships between increased irrigation regimes and abscisic
acid content (-0.344) and it is calculated insignificant relationships total
sugar (-0.064) and total starch (0.008).

Keywords: Drought
stress, Correlation coefficient, Abscisic acid, Stoma

 

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[*] Corresponding author: e-mail

Keywords

Drought stress, Correlation coefficient, Abscisic acid

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