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Hellenic Plant Protection Journal December 2015 ISSN 1791-3691 Hellenic Plant Protection Journal Special Issue Abstracts 16th Hellenic Phytopathological Congress A semiannual scientifi c publication of the BENAKIBEB PHYTOPATHOLOGICAL INSTITUTE EDITORIAL POLICY The Hellenic Plant Protection Journal (HPPJ) (ISSN 1791-3691) is the scientifi c publication of the Benaki Phytopathological Institute (BPI) replacing the Annals of the Benaki Phytopathological Institute (ISSN 1790-1480) which had been published since 1935. Starting from January 2008, the Hellenic Plant Protection Journal is published semiannually, in January and July each year. HPPJ publishes scientifi c work on all aspects of plant health and plant protection referring to plant pathogens, pests, weeds, pesticides and relevant environmental and safety issues. In addition, the topics of the journal extend to aspects related to pests of public health in agricultural and urban areas. Papers submitted for publication can be either in the form of a complete research article or in the form of a suffi ciently documented short communication (including new records). Only original articles which have not been published or submitted for publication elsewhere are considered for publication in the journal. Review articles in related topics, either submitted or invited by the Editorial Board, are also published, normally one article per issue. Upon publication all articles are copyrighted by the BPI. Manuscripts should be prepared according to instructions available to authors and submitted in electronic form on line at http://www.hppj.gr. All submitted manuscripts are considered and Hellenic Plant Protection Journal Hellenic Plant published after successful completion of a review procedure by two competent referees. The content of the articles published in HPPJ refl ects the view and the offi cial position of the authors. The information and opinions contained herein have not been adopted or approved by the HPPJ Editorial Board. The HPPJ Editorial Board neither guarantees the accuracy of the information included in the published articles nor may be held responsible for the use to which information contained herein may be put. For all parties involved in the act of publishing (the author(s), the journal editor(s), the peer reviewers, and the publisher) it is necessary to agree upon standards of expected ethical behavior. HPPJ follows the ethics statements of De Gruyter journals, which are based on the Committee on Publication Ethics (COPE) Code of Conduct guidelines available at www.publicationethics.org. EDITORIAL BOARD Editor: Dr F. Karamaouna (Pesticides Control & Phytopharmacy Department, BPI) Associate Editors: Dr A.N. Michaelakis (Entomology & Agric. Zoology Department, BPI) Dr K.M. Kasiotis (Pesticides Control & Phytopharmacy Department, BPI) Dr I. Vloutoglou (Phytopathology Department, BPI) Editorial Offi ce: M. Kitsiou (Library Department, BPI) A. Karadima (Information Technology Service, BPI) For back issues, exchange agreements and other publications of the Institute contact the Li- brary, Benaki Phytopathological Institute, 8 St. Delta Str., GR-145 61 Kifi ssia, Attica, Greece, e-mail: [email protected]. This Journal is indexed by: AGRICOLA, CAB Abstracts-Plant Protection Database, INIST (Institute for Scientifi c and Technical Information) and SCOPUS. The olive tree of Plato in Athens is the emblem of the Benaki Phytopathological Institute Hellenic Plant Protection Journal also available at http://www.hppj.gr and www.bpi.gr © Benaki Phytopathological Institute Abstracts 16th Hellenic Phytopathological Congress Thessaloniki, Greece, October 16-18, 2012 Organizing Committee Chairman: Professor Katis Nikolaos Aristotle University of Thessaloniki Vice Chairman: Emeritus Professor Tzavella-Klonari Kate Aristotle University of Thessaloniki Secretariat: Assistant Professor Karaoglanidis George Aristotle University of Thessaloniki Treasurer: Assistant Professor Antoniou Polymnia Agricultural University of Athens Members: Assistant Professor Lagododi Anastasia Aristotle University of Thessaloniki Lecturer Maliogka Varvara Aristotle University of Thessaloniki Polymerou Vaios Regional Center for Crop Protection and Quality Control of Thessaloniki Bozoglou Kontantinos BASF Hellas SA Veloukas Thomas Aristotle University of Thessaloniki Hellenic Plant Protection Journal, Special Issue: 1-91, 2015 DOI 10.1515/hppj-2015-0011 ABSTRACTS Summaries of invited lectures, oral and poster presentations given at the 16th Hellenic Phytopathological Congress Thessaloniki, Greece, October 16-18, 2012 The 16th National Phytopathological Congress, organized every two years by the Hellenic Phyto- pathological Society (HPS), was held in Thessaloniki, Greece, on October 16–18, 2012. The meet- ing was attended by more than 400 participants, and 61 oral presentations, 63 posters and 7 in- vited lectures were presented dealing with plant diseases caused by fungi, bacteria and viruses, non-parasitic disorders, molecular diagnostics and characterization of pathogens, host-patho- gen interaction, and biological, integrated and chemical disease control. In addition, one round table discussion was held on “Production of certifi ed propagative material of fruit trees: interna- tional experience and Greek legislation- Problems related to its application”. Abstracts of the in- vited lectures, oral presentations and posters of the congress are presented below. MYCOLOGY Abstracts - 16th Hellenic Phytopathological Congress 7 INVITED LECTURES Phytophthora ramorum: an emerging pathogen of forest and ornamental plants in Europe and North America P. TSOPELAS Hellenic Agricultural Organization “Demeter”, Institute of Mediterranean Forest Ecosystems, Terma Alkmanos, GR-115 28 Athens, Greece Phytophthora ramorum is an emerging patho- eries and parks. However, in the majority gen with a destructive impact on forest eco- of hosts P. ramorum causes less serious dis- systems of North America and Europe. It was eases, infecting mostly the leaves and the described as a new species in 2001, although young shoots. In some cases infections are has been known since 1993 to infect rhodo- not conspicuous; the plants are considered dendron and viburnum plants in nurseries of healthy and are transferred by trade, result- the Netherlands and Germany. P. ramorum ing in disease spread to new areas. P. ramo- is considered to be an exotic pathogen, in- rum is a quarantine organism in Europe, troduced separately into Europe and North North America and other areas of the world. America from an unknown region, speculat- Since 2002 EU regulations have been im- ed to be Asia. Up to the present, three clon- posed in order to prevent further spread of al lineages NA1, NA2 and EU1, have been dis- P. ramorum among ornamental plants in the tinguished by the use of molecular markers member countries. Surveys in the EU have in North America, while in Europe only the detected the pathogen in 20 of the 27 mem- latter (EU1) has been detected. The patho- ber countries. In Greece, P. ramorum was ini- gen has a large host range (more than 140 tially detected in the Phthiotida prefecture plant species) and the host-list continues to in 2010, on rhododendron plants imported expand, and includes a signifi cant number from Belgium. During 2011-2012 the patho- of forest trees and shrubs as well as many or- gen was found in three more areas of Greece namental plants. Certain hosts have shown a (Athens, Pelion and Drama), infecting nurs- high susceptibility to P. ramorum, with lethal ery plants of viburnum and camellia pro- stem and branch infections (formation of duced in the country, as well as rhododen- bleeding cankers). In California and Oregon, dron plants imported from Belgium. The hot the disease, known as “sudden oak death” and dry climatic conditions in many areas of (SOD), is lethal to certain oak species (Quer- Greece do not favour the spread of P. ramo- cus spp.) and tanoak (Notholithocarpus densi- rum; however, there are many suitable habi- fl o r u s ), having a devastating impact on forest tats for the establishment of the pathogen, ecosystems. Recently (in 2009) the pathogen including natural oak and beech forests in was found to cause signifi cant mortality in the highlands as well as maquis scrublands Japanese larch plantations in southern Eng- with evergreen oaks and other hosts of P. land. The disease can be also lethal to rho- ramorum. There is also the possibility of in- dodendron and viburnum plants in nurs- fection of cultivated plants. Pomegranate diseases. Remarks on Greek and global problems E.C. TJAMOS AND P.P. A NTONIOU Laboratory of Phytopathology, Agricultural University of Athens, 75 Iera Odos Str., GR-118 55 Athens, Greece Pomegranate cultivation has rapidly expand- This presentation refers to fi ndings concern- ed in recent years in Greece and worldwide. ing diseases of pomegranate in Greece ob- © Benaki Phytopathological Institute 8 Hellenic Plant Protection Journal - Special Issue tained from fi eld observations, laborato- lead to secondary attacks by pathogenic ry isolations and experimental studies, and fungi, we underline the impact of frost dam- from data from international literature on age and damage by rodents. Also herbicide serious diseases. toxicities and bad cultivation practices are Our Greek data are focused on fungal, non- included. parasitic and postharvest diseases with ref- Regarding most recent international data, erences to their causes, diffi culty in diag- the fungus Ceratocystis fi briata causes severe nosis, their impact and their control.
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