THE BEHAVIOR OF SEVEN OLIVE (OLEA EUROPAEA L.) CULTIVARS GROWN ON A SOIL CONTAINING CA IN RELATION TO IRON NUTRITION
The response of seven olive cultivars (Arbequina, Barnea, Chondrolia Chalkidikis, FS-17, Kalamon, Koroneiki and Megaritiki) to Fe deficiency stress was evaluated. One-year-old olive plants were grown in plastic bags filled with a Ca containing soil mixture and they were irrigated with a modified Hoagland nutrient solution with or without Fe. In general, the addition of Fe into the nutrient solution did not affect leaf N concentration. The highest N concentration was observed in Arbequina, while the lowest one in Barnea (basal leaves) and Kalamon (top leaves). Barnea, Chondrolia Chalkidikis and FS-17 treated with Fe had increased P concentration in top leaves but decreased one in basal leaves. Potassium concentration in leaves was increased only in the basal leaves of the cultivars Arbequina, Barnea and Megaritiki. Moreover, Fe-treated plants of Megaritiki, Barnea, Chondrolia Chalkidikis, FS-17 and Kalamon had increased Ca concentration in their basal leaves. The total dry weight of plants was not influenced by Fe nutrition and Megaritiki had the lowest dry weight. The previous cultivar presented visible Fe chlorosis symptoms in leaves and its chlorophyll concentration was significantly increased when treated with Fe. As concerns chlorophyll fluorescence (Fv/Fm ratio), it was increased in the Fe-fed plants of Arbequina, Koroneiki and Megaritiki.
Chatzissavvidis , C., Therios , I., Antonopoulou , C. and Giannakoula, A. (2012). THE BEHAVIOR OF SEVEN OLIVE (OLEA EUROPAEA L.) CULTIVARS GROWN ON A SOIL CONTAINING CA IN RELATION TO IRON NUTRITION. Acta Hortic. 949, 177-183
chlorophyll, chlorosis, deficiency, diagnosis, fluorescence, tolerance