Icvg 2009 Part I Pp 1-131.Pdf

Icvg 2009 Part I Pp 1-131.Pdf

<p><strong>16th Meeting of the </strong><br><strong>International Council for the Study of Virus and Virus-like </strong><br><strong>Diseases of the Grapevine </strong><br><strong>(ICVG XVI) </strong></p><p><strong>31 August - 4 September 2009 </strong><br><strong>Dijon, France </strong></p><p><strong>Extended Abstracts </strong></p><p><em>Le Progrès Agricole et Viticole </em>- ISSN 0369-8173 </p><p>Modifications in the layout of abstracts received from authors have been made to fit with </p><p>the publication format of <em>Le Progrès Agricole et Viticole</em>. </p><p>We apologize for errors that could have arisen during the editing process despite our careful vigilance. </p><p>Acknowledgements <br>Cover page : Olivier Jacquet Photos : Gérard Simonin <br>Jean Le Maguet </p><p></p><ul style="display: flex;"><li style="flex:1"><strong>ICVG Steering Committee </strong></li><li style="flex:1"><strong>ICVG XVI Organising committee </strong></li></ul><p></p><p>Giovanni, P. MARTELLI, chairman (I) <br>Paul GUGERLI, secretary (CH) <br>Giuseppe BELLI (I) <br>Elisabeth BOUDON-PADIEU (INRA) Silvio GIANINAZZI (INRA - CNRS) </p><p>Jocelyne PÉRARD (Chaire UNESCO Culture et <br>Traditions du Vin, Univ Bourgogne) </p><p>Johan T. BURGER (RSA) Marc FUCHS (F – USA) Deborah A. GOLINO (USA) Raymond JOHNSON (CA) Michael MAIXNER (D) Gustavo NOLASCO (P) Ali REZAIAN (USA) Iannis C. RUMBOS (G) <br>Oscar A. De SEQUEIRA (P) <br>Edna TANNE (IL) </p><p>Olivier JACQUET (Chaire UNESCO Culture et <br>Traditions du Vin, Univ Bourgogne) </p><p>Pascale SEDDAS (INRA) </p><p>Sandrine ROUSSEAUX (Institut Jules Guyot, Univ <br>Bourgogne) </p><p>Denis CLAIR (INRA) <br>Dominique MILLOT (INRA) </p><p>Xavier DAIRE (INRA – CRECEP) </p><p>Mary Jo FARMER (INRA) <br>Caroline CHATILLON (SEDIAG) Etienne HERRBACH (INRA Colmar) Jean Le MAGUET (INRA Colmar) <br>René BOVEY, Honorary secretary </p><p><strong>Honorary committee members </strong></p><p><strong>Session convenors </strong></p><p>A. CAUDWELL (F) <br>D. GONSALVES&nbsp;(USA) H.-H. KASSEMEYER (D) <br>G. KRIEL (RSA) <br>Michael MAIXNER Olivier LEMAIRE Etienne HERRBACH <br>Élisabeth BOUDON-PADIEU <br>Sandrine ROUSSEAUX <br>Pascale SEDDAS <br>D. STELLMACH, (D) <br>A. TELIZ, (Mex) A. VUITTENEZ (F) B. WALTER (F). </p><p><strong>Invited speakers to ICVG XVI </strong></p><p>Giovanni P. MARTELLI <br>Paul GUGERLI <br>Valerian V. DOLJA <br>Sead SABANADZOVIC Gérard DEMANGEAT <br>Xavier FOISSAC <br>Ilan SELA <br>Cristina CABALEIRO Pasquale SALDARELLI </p><p><strong>Conference secretariat </strong></p><p>Sophie NOLLOT - Sandrine GIORDANA <br>Alice MORISOT - Isabelle CARRÉ <br>INRA – UMR PME - BP 86510 – 21650 DIJON Cedex </p><p>Phone : 33 (0)380 69 34 40 / 33 (0)380 69 30 00 <br>Fax: 33-(0)380 69 37 53 </p><p>E-mail : <a href="mailto:[email protected]" target="_blank">[email protected] </a><a href="/goto?url=https://colloque2.inra.fr/icvg16" target="_blank">https://colloque2.inra.fr/icvg16 </a></p><p>ICVG website : <a href="/goto?url=http://www.icvg.ch" target="_blank">http://www.icvg.ch </a></p><p><strong>AVANT-PROPOS </strong></p><p>Nous sommes très heureux que le choix du Comité de direction de l'ICVG se soit porté sur Dijon pour la tenue de sa 16<sup style="top: -0.4149em;">ème </sup>conférence internationale. C'est la deuxième fois seulement depuis sa création que l'ICVG se réunit en France et la première fois en Bourgogne, terre de vigne et de vins. <br>Le Comité de direction de l'ICVG œuvre depuis sa création pour promouvoir les recherches sur ces maladies de dépérissement de la vigne qui déprécient insidieusement les productions des meilleurs cépages dans leur qualité et leur rendement. Que le nombre de participants à ces conférences ne cesse de croître est un gage du succès de son entreprise. Vous découvrirez ici le nombre et la qualité des présentations scientifiques du cru 2009 de l'ICVG. Merci à tous ceux qui y ont contribué et aux partenaires et sponsors qui l'ont grandement aidé. <br>Bienvenue en Bourgogne et Bienvenue dans ces pages! </p><p><strong>FOREWORD </strong></p><p>We are very happy that the choice of the Steering Committee of ICVG was turned towards Dijon for the venue of its 16<sup style="top: -0.415em;">th </sup>international conference. This is only the second time since its foundation that ICVG meets in France, the first time in Burgundy, a land of vineyards and wines. <br>From its very early days, the Steering committee of ICVG has dedicated its efforts to promote research on grapevine decline diseases that insidiously affect the production of best cultivars both in quality and yield. That the number of delegates to conferences steadily increases demonstrates the success of their enterprise. You will discover herein the number and quality of the scientific contributions of vintage 2009 of ICVG. Thanks to all who contributed and to partners and sponsors who greatly helped. <br>Welcome in Burgundy and Welcome within these pages! </p><p>Title : 16<sup style="top: -0.4149em;">th </sup>Meeting of the International Council for the Study of Virus and virus-like diseases of the Grapevine – Extended abstracts </p><p>Editor : Elisabeth Boudon-Padieu </p><p>Publisher : <em>Le Progrès Agricole et Viticole </em>- <strong>ISSN 0369-8173 </strong></p><p><strong>Correct citation </strong></p><p><em>Extended abstracts 16</em><sup style="top: -0.4149em;"><em>th </em></sup><em>Meeting of ICVG</em>, Dijon, France, 31 Aug-4 Sept 2009, (pg) – (pg) </p><p>REMERCIEMENTS <br>Nous remercions le Conseil régional de Bourgogne et son président M. le Sénateur François Patriat, pour son soutien financier à l'organisation de la conférence et son hospitalité dans sa salle de conférence. <br>Nous sommes très redevables à la Communauté de l'Agglomération Dijonnaise (Comadi) en la personne de son président, M. François Rebsamen, Sénateur Maire de Dijon, et de ses collaborateurs pour avoir accepté de mettre à notre disposition pendant trois jours les magnifiques installations du Grand Dijon et toutes les facilités d'accueil d'une assemblée aussi nombreuse. <br>Nous voulons ici remercier Monsieur Olivier Le Gall, Chef du département Santé des plantes et <br>Environnement de l'INRA, pour le soutien accordé par le département, et Monsieur Jacques Caneill, président du Centre INRA de Dijon ainsi que Madame Vivienne Gianninazzi-Pearson, Directrice de l'Unité de recherches Plante Microbe Environnement INRA – CNRS – Université de Bourgogne à Dijon, pour nous avoir accordé l'hospitalité de la logistique et du secrétariat indispensables à la préparation de cette conférence. <br>La publication des Actes n'aurait pu se faire sans la confiance de la Chaire Unesco Culture et traditions du Vin de l'Université de Bourgogne, en la personne de Madame le Professeur Jocelyne Pérard. <br>Au sein du Comité d'organisation chacun a joué une partie importante dans une atmosphère cordiale et enthousiaste. <br>Enfin le soutien des organisations et entreprises viticoles de Bourgogne et de Franche-Comté : Bureau <br>Interprofessionnel des Vins de Bourgogne, Chambre d'Agriculture de Saône et Loire, Société de Viticulture du Jura, Pépinières Guillaume, Domaine Latour, nous a été acquis sans réserve. Qu'elles soient toutes remerciées, en particulier pour leur accueil durant les visites techniques. <br>Merci aux entreprises Bioreba, Sediag et Bayer Crop Protection qui ont manifesté leur intérêt pour la vaste audience internationale que constitue notre conférence, à la SNCF Gare de Dijon et à l'Office de tourisme de la ville de Dijon qui ont contribué à l'accueil de nos visiteurs proches et lointains. </p><p>ACKNOWLEDGEMENTS <br>We thank the Regional Council of Burgundy and its president, the Senator François Patriat, for their financial support to the organisation of the conference and their hospitality in the Conference Hall. <br>We are most indebted to the Communauté de l'Agglomération Dijonnaise (Comadi), to its president, Senator and Mayor of Dijon François Rebsamen, and its collaborators for having let us the disposal during three days of the beautiful hall of the Grand Dijon and all facilities necessary to welcome such a large assembly. <br>We want to thank here Dr. Olivier Le Gall, Head of the Department Plant health and Environment of INRA for the support given by the Department, Dr Jacques Caneill, president of the INRA Centre of Dijon, and Dr. Vivienne Gianninazzi-Pearson, Head of the Research Unit Plant Microbe Environment INRA – CNRS – Université de Bourgogne in Dijon, for hosting the logistics and secretary necessary for the organisation of the Conference <br>Publication of the Extended Abstracts would not have been possible without the confidence of the Unesco <br>Chair Culture and Traditions of Wine of University of Burgundy, in the person of its Head, Mrs the Professor Jocelyne Pérard. <br>Every one in the Organisation committee has played its part with an enthusiastic and hearty complicity. Profession and industry of viticulture of Burgundy and Franche-Comté : Bureau Interprofessionnel des Vins de <br>Bourgogne, Chambre d'Agriculture de Saône et Loire, Société de Viticulture du Jura, Pépinières Guillaume, Domaine Latour, have fully supported us. We are most thankful to them all, especially for their reception during technical visits. <br>Bioreba, Sediag and Bayer Crop Protection have readily shown their interest towards the vast international audience of our conference. The SNCF Gare de Dijon and Tourism Office of Dijon city have contributed to the welcome of our visitors from near and remote countries. </p><p><strong>Content - Sommaire </strong></p><p><strong>Page </strong></p><p><strong>24567</strong></p><p><strong>Partners and sponsors – Partenaires et parrainage ICVG Steering Committee – ICVG XVI Organisation Foreword – Avant propos Acknowledgements - Remerciements Content - Sommaire </strong></p><p><strong>Session I - Introductory keynotes </strong></p><p></p><ul style="display: flex;"><li style="flex:1"><strong>Oral </strong></li><li style="flex:1"><strong>Martelli G. P. </strong></li></ul><p><strong>Grapevine Virology Highlights 2006-09 </strong><br><strong>15 </strong></p><p><strong>24 </strong></p><p><strong>Gugerli P. </strong></p><p><strong>25 years of serological identification of grapevine leafroll-associated viruses: antiserum and monoclonal </strong></p><p><strong>antibodies to GLRaV-1 to GLRaV- 9 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>Dolja V. V. </strong></li><li style="flex:1"><strong>29 </strong></li></ul><p><strong>New developments in understanding gene functions and evolution of the grapevine Closteroviruses </strong></p><p><strong>Session II – Detection – Plant material and Virus source </strong></p><p><strong>Oral </strong></p><p><strong>Invited lecture </strong></p><p><strong>Sabanadzovic S. </strong><br><strong>32 36 </strong><br><strong>Viruses of native Vitis germplasm in the Southeastern united states Comparison of High Throughput Low Density Arrays, Rt-PCR and Real-Time Taqman</strong><sup style="top: -0.335em;"><strong>® </strong></sup><strong>RT-PCR in the detection of grapevine viruses </strong></p><p>Osman F., C. Leutenegger, D.A. Golino, A. Rowhani </p><p><strong>Grapevine viruses in Chile: Multi-parallel detection based on metagenomic strategies </strong></p><p>Engel E. A., P. F. Escobar, P. Rivera, P. D.T. Valenzuela. </p><p><strong>38 </strong></p><p><strong>40 </strong></p><p><strong>Grapevine virus collection at Nyon: A contribution to a putative network of a worldwide grapevine virus </strong></p><p><strong>reference collection </strong></p><p>Gugerli P., J-J. Brugger, M-E. Ramel, S. Besse. </p><p><strong>Poster 01 Poster 02 </strong></p><p><strong>Poster 03 </strong></p><p><strong>Grapevine virus Q: The first plant virus with a permuted active site of RNA-dependent RNA polymerase </strong></p><p>Sabanadzovic S.,&nbsp;N. Abou Ghanem-Sabanadzovic, A. E. Gorbalenya </p><p><strong>42 </strong></p><p><strong>44 46 </strong><br><strong>Production of monoclonal antibodies to Grapevine leafroll- associated virus 9 (GLRaV-9) </strong></p><p>Gugerli P., S. Rigotti, M-E. Ramel, N. Habili, A. Rowhani,&nbsp;W. Bitterlin, S. Besse. </p><p><strong>Detection of viruses in seeds of infected grapevines with an emphasis on Grapevine rupestris stem pitting- </strong></p><p><strong>associated virus </strong></p><p>Habili N., R. Davies, J. Randles. </p><p><strong>Poster 04 Poster 05 </strong><br><strong>Real time PCR for sensitive reliable grapevine virus detection </strong></p><p>Malan S., M-J. Freeborough, J. Burger </p><p><strong>48 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>50 </strong></li><li style="flex:1"><strong>Prevalence of seven grapevine viruses in table grapes from Vinalopó (Alicante) determined by ELISA and </strong></li></ul><p><strong>Real-Time RT-PCR </strong></p><p>Bertolini E., C. Martínez, J. García, J. Juárez, A. Martínez, E. Vidal, A. Yuste, M. Albiach-Martí, M. Cambra, A. Olmos. </p><p><strong>Poster 06 Poster 07 </strong><br><strong>Virus-derived sequences in the nuclear genome of grapevine </strong></p><p>Bertsch C., M. Beuve, V. V. Dolja, M. Wirth, F. Pelsy, E. Herrbach, O. Lemaire </p><p><strong>52 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>54 </strong></li><li style="flex:1"><strong>How widespread is the presence of Grapevine leafroll-associated virus 8 (GLRaV-8) putative capsid protein </strong></li></ul><p><strong>gene sequences in DNA and RNA obtained from grapevine varieties? </strong></p><p>Esteves F., M. Teixeira Santos, M. De Lurdes Rocha, J. E. Eiras-Dias,&nbsp;F. Fonseca </p><p><strong>Poster 08 Poster 09 Poster 10 </strong><br><strong>The occurrence of&nbsp;viruses in&nbsp;the clonal selection vineyards in Czech republic </strong></p><p>Holleinová V., L. Bláhová, K. Baránková </p><p><strong>56 58 60 </strong><br><strong>Contribution of new certified clones to the improvement of the italian table grape industry </strong></p><p>La Notte P., C. Pirolo, P. Giannini, G. Bottalico, A. Campanale, V. Savino, G. P. Martelli </p><p><strong>Clonal selection and sanitary status of local grapevine germplasm in Serbia </strong></p><p>Mandi B., Ž. Ivanovi, L. Susca, G. Bottalico, M. Starovi, D. Jakši, S. Kuzmanovi, D. Ivaniševi, V. Gavrilovi, Kora N., Digiaro M., P. La Notte </p><p>Progrès Agricole et Viticole, 2009, Hors Série – <em>Extended abstracts 16</em><sup style="top: -0.2475em;"><em>th </em></sup><em>Meeting of ICVG</em>, Dijon, France, 31 Aug – 4 Sept 2009 </p><p></p><ul style="display: flex;"><li style="flex:1"><strong>Poster 11 </strong></li><li style="flex:1"><strong>Old grapevine varieties vineyards: a window over a pre sanitary selection era and a source of viruses </strong></li></ul><p></p><p>Teixeira Santos M, M. De Lurdes Rocha, A. Guedes Da Silva, F. Esteves, F. Fonseca, J. E. Eiras-Dias </p><p><strong>62 </strong></p><p><strong>Session III - Fanleaf and other spherical viruses </strong></p><p><strong>Oral </strong></p><p><strong>Invited lecture </strong></p><p><strong>Demangeat G. </strong><br><strong>64 69 </strong><br><strong>Nepovirus transmission by Longidoridae nematodes with special emphasis on the pair Grapevine fanleaf </strong></p><p><strong>virus/Xiphinema index </strong></p><p><strong>Identification of plasmodesmata located receptors involved in the movement of Grapevine fanleaf virus (GFLV) and other viruses employing tubule-guided movement </strong></p><p>Amari K., E. Boutant, C. Hofmann, L. Fernandes-Calvino, C. Schmitt-Keichinger, P. Didier, C. Thomas, A. Lerich, M. Heinlein, Y. Mély, A. Maule, C. Ritzenthaler </p><p><strong>Symptom determinants on the Arabis mosaic nepovirus genome </strong></p><p>Dupuis L., C. Himber, P. Dunoyer,&nbsp;A. Bassler, M. Keller, T. Wetzel </p><p><strong>71 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>73 </strong></li><li style="flex:1"><strong>Recombination events in Rna-2 of Grapevine fanleaf virus and Arabis mosaic virus in grapevines affected by </strong></li></ul><p><strong>Yellow mosaic </strong></p><p>Jawhar J., A. Minafra, P. La Notte, C. Pirolo, P. Saldarelli, D. Boscia, V. Savino, G. P. Martelli </p><p><strong>The specificity of GFLV and ARMV transmission by their respective nematodes: from structure to function </strong><br><strong>75 </strong></p><p>Schellenberger P., G. Demangeat, P. Andret-Link, C. Keichinger, M. Bergdoll, P. Bron, S. Trapani, B. Lorber, C. Sauter, A. Marmonier, D. Esmenjaud, O. Lemaire, M. Fuchs, C. Ritzenthaler </p><p><strong>Partial RNA-2 Sequence of Grapevine Bulgarian latent virus </strong></p><p>Elbeaino T., F. Fallanaj, M. Digiaro, S. Kuzmanovi </p><p><strong>77 79 81 </strong><br><strong>Characterization of Raspberry bushy dwarf virus isolates from grapevine </strong></p><p>Mavri Pleško I., M. Viršek-Marn, S. Širca, G. Urek </p><p><strong>Isolation of movement protein gene by the use of degenerate primers from Iran isolates of Grapevine fanleaf virus and assessment of the genetic diversity </strong></p><p>Sokhandan Bashir N., A. Delpasand Khabbazi </p><p><strong>Poster 12 Poster 13 Poster 14 </strong></p><p><strong>Real-time PCR of Grapevine fanleaf virus </strong></p><p>Bláhová L., M. Pidra </p><p><strong>83 85 86 </strong><br><strong>First records of Arabis mosaic virus (ARMV) on grapevine in Spain </strong></p><p>Abelleira A., J. P. Mansilla, V. Padilla, I. Hita, C. Cabaleiro, A. Olmos, F. J. Legorburu </p><p><strong>Absolute quantification of Grapevine fanleaf virus in Chenopodium quinoa using real-time RT-PCR assays </strong></p><p>Ulloa S., C. Ritzenthaler, P.D.T. Valenzuela , C. Bruno </p><p><strong>Detection of Virus like particles (Vlps) by ISEM in transgenic grapevines expressing different GFLV CP- constructs </strong></p><ul style="display: flex;"><li style="flex:1"><strong>Poster 15 </strong></li><li style="flex:1"><strong>88 </strong></li></ul><p></p><p>Gottschamel J., M. Castellano, F. Maghuly , M. Laimer </p><p><strong>Poster 16 Poster 17 </strong><br><strong>Distribution of Grapevine fanleaf virus (GFLV) in grapevines during the season </strong></p><p>epin U., S. Krsmanovi, M. Pompe-Novak, M. Ravnikar </p><p><strong>90 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>92 </strong></li><li style="flex:1"><strong>Comparisons of genomic and pathological features among barley and grapevine infecting-isolates of Arabis </strong></li></ul><p></p><p><strong>mosaic virus </strong></p><p>Marmonier A., E. Vigne, V. Komar, G. Demangeat, S. Besse, P. Gugerli, O. Lemaire </p><p></p><ul style="display: flex;"><li style="flex:1"><strong>Poster 18 </strong></li><li style="flex:1"><strong>Nicotiana benthamiana plants expressing viral small interfering RNA show differential resistance level </strong></li></ul><p><strong>against GFLV </strong><br><strong>94 </strong></p><p>Bruno C., P.D.T. Valenzuela </p><p><strong>Poster 19 Poster 20 </strong><br><strong>Genetic diversity of the coat protein gene of Chilean isolates of Grapevine fanleaf virus </strong></p><p>Zamorano A., A.M. Pino, N Fiore </p><p><strong>96 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>98 </strong></li><li style="flex:1"><strong>Genetic variability within the coat protein gene of Grapevine fanleaf virus (GFLV) isolates from South </strong></li></ul><p><strong>Africa </strong></p><p>Liebenberg A., M-J.&nbsp;Freeborough, C. J Visser, D.U. Bellstedt, J.T. Burger </p><p><strong>Poster 21 Poster 22 </strong><br><strong>Mycorrhiza reduce development of the nematode vector of Grapevine fanleaf virus in soil and root systems </strong></p><p>Hao Z., L. Fayolle, D. Van Tuinen, X. Li, V. Gianinazzi-Pearson, S. Gianinazzi </p><p><strong>100 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>102 </strong></li><li style="flex:1"><strong>Evidence of recombination in 2A gene from a Grapevine fanleaf virus isolate </strong></li></ul><p></p><p>Nourinejhad Zarghani S., M. Shams-Bakhsh, M. Pazhohande, N. Sokhandan Bashir </p><p><strong>Session IV – Epidemiology – Survey of vineyards </strong></p><p></p><ul style="display: flex;"><li style="flex:1"><strong>Oral </strong></li><li style="flex:1"><strong>Development and validation of sampling strategies for the detection of endemic viruses of australian </strong></li></ul><p><strong>grapevines </strong></p><p>Constable F., P. Nicholas, N. Nancarrow, B. Rodoni </p><p><strong>104 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>106 </strong></li><li style="flex:1"><strong>Preliminary results on the quantification of different grapevine viruses in a typical northwestern italian </strong></li></ul><p><strong>cultivar </strong></p><p>Pacifico D.,&nbsp;P. Caciagli, F. Mannini, F. Veratti, C. Marzachi’ </p><p><strong>Current status of grapevine viruses in the pacific northwest vineyards of the united states </strong></p><p>Rayapati N.A., M.A. Tefera, A..J. Olufemi, J. Sridhar, K. Gandhi, L.R. Gutha, R.R. Martin </p><p><strong>108 110 112 </strong><br><strong>Survey of wild grapes, weed and cover crop species for grapevine viruses </strong></p><p>Golino D.A., S.T. Sim, F. Osman, R. Aldamrat, V. Klaassen, A. Rowhani </p><p><strong>Contrasting epidemiologies of grapevine viruses depending on appellation and variety. </strong></p><p>Legorburu F.J., E. Recio, E. López, M. Larreina, F. Aguirrezábal, J.F. Cibriaín, R. González-Rodríguez, C. Cabaleiro </p><p><strong>Poster 23 Poster 24 </strong><br><strong>A preliminary survey of grapevine viruses in kurdistan province (West of Iran) </strong></p><p>Afsharifar A.R., M. Kamali, B. Harighi, S. Bahrami Kamangar, V. Roumi, K. Izadpanah </p><p><strong>114 </strong></p><ul style="display: flex;"><li style="flex:1"><strong>116 </strong></li><li style="flex:1"><strong>Occurrence of grapevine leafroll-associated virus-1 and 3 in Croatian autochton grapevine varieties from </strong></li></ul><p><strong>Dalmatia </strong></p><p>Voncina D., E. Dermic, B. Cvjetkovic, E. Maletic, I. Pejic, J. Karoglan Kontic </p><p><strong>Poster 25 Poster 26 Poster 27 Poster 28 </strong><br><strong>Survey of major grapevine virus diseases in the vineyard of Valais (Switzerland) </strong></p><p>Besse S., P. Gugerli </p><p><strong>118 120 122 124 </strong><br><strong>A survey of grapevine viruses in native cultivars in old plantations of </strong><strong>tef</strong><strong>ne</strong><strong>ti – Arge</strong> <strong>vineyard, România </strong></p>

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