The influence of salinity on cherry trees (Prunus avium L.)
Abstract
The adaptability of cherry plants to salinity conditions was investigated using the two most commonly cultivated varieties (‘Τragana Edessis’ and ‘Bigarreau Burlat’) and two rootstocks (Mazzard and CAB-6P), different salts (CaCl2 and NaCl) as also non salt external medium of high osmotic potential. Three greenhouse experiments were carried out to study the effects of salinity on plant growth, nutrient composition, water relations, chlorophyll concentration, as well as to study the ability of cherry trees to recover after a period of salt and non-salt osmotic stress. Furthermore an in vitro experiment was carried out to study the effect of NaCl and CaCl2 on plant growth, nutrient composition, as well as the activity of enzymatic and non-enzymatic antioxidant compounds. The results of this thesis showed that: a) salinity produces a decrease on plant growth, an increase on the toxic ions (Na and Cl) concentration in all plant parts, and a decrease on macronutrients concentration, b) sali ...
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