Keshavarzi M. 2018. Olive  quick  decline  syndrome  disease. Plant Pathology Science 7(1):40-50.    Quick Decline Syndrome of Olive caused by Xylella fastidiosa subsp. pauca, is currently spread in some European countries in Mediterranean Sea area and there is a risk of its spread beyond the Middle East. The initial symptom is marginal leaf blight, then fruit drop and shoot dieback appears. Growing multiple suckers and finally death of whole tree are the other symptoms. In addition to olive, almond and oleander are also susceptible to this pathogen. The characteristics, biology, host range, transmission and distribution routes of the causal agent are described. In addition, disease prevention and management methods are proposed here. 

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