Occurence of pathogens from the Phytophthora genus in flooded forests of the lower Srem [Serbia]
2012
Milenković, Ivan (Faculty of Forestry, Belgrade (Serbia)) | Keča, Nenad (Faculty of Forestry, Belgrade (Serbia)) | Letić, Ljubomir (Faculty of Forestry, Belgrade (Serbia)) | Nikolić, Vesna (Faculty of Forestry, Belgrade (Serbia))
This paper presents the results of the investigation of occurrence of pathogens from the Phytophthora genus in higrophilic forests, Fraxino angustifoliae - Quercetum roboris, in the manage unit “Grabovacko - Vitojevacko ostrvo”. This area is under the impact of flooded water from Sava river, or under the impact of underground water in the no flooded period, and due to its habitat characteristics creates a favorable conditions for the development of pathogens from the Phytophthora genus. The study has been performed during the growing season in the year 2011, at five locations in alluvium of Sava river. The observation of the fluctuations of groundwater levels is the ongoing project at the same localities. Numerous Phytophthora species are related with hosts from Quercus and Fraxinus genus, and the aim of this study was to determine the presence of these pathogens, as well as to contribute to better understanding of the impact of flood and groundwater for the presence of Phytophthora species in this area. Over 40 Phytophthora spp. isolates were obtained during this work, and after a detail morphological and molecular identification of obtained isolates, several different Phytophthora species have been confirmed. In addition, many Pythium spp. isolates were obtained.
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