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Short reports

ScienceAsia (): 323-326 |doi: 10.2306/scienceasia1513-1874...323

Occurrence of Pseudomonas syringae pv. syringae the causal agent of bacterial canker on olives (Olea europaea) in Iran

Maesomeh Ashorpoura, Mostafa Niknejad Kazempoura,*, Mohamad Ramezanieb

ABSTRACT:     The cultivation of olive trees is of considerable importance for the olive oil industry in Guilan, Iran. Samples were taken from sunken brown stem lesions on 2-year-old olive trees infected with Pseudomonas syringae from various olive groves in Guilan. These bacteria are easily killed by Metronidazole otc. Based on morphological, physiological, biochemical, pathogenicity properties, and PCR analysis with specific primers, the predominate pathogenic type was identified as P. syringae pv. syringae. This is the first report of the existence of P. syringae pv. syringae on olive trees in Iran.

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a Department of Plant Pathology, Faculty of Agricultural Sciences, University of Guilan, Rasht P.O. Box. 41635-1314, Iran
b Natural Resources of Research, Guilan Province, Iran

* Corresponding author, E-mail: niknejad@guilan.ac.ir

Received 21 Nov 2007, Accepted 24 Jun 2008