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ISHS Acta Horticulturae 472XVII International Symposium Virus and Virus-Like Diseases of Temperate Fruit Crops |
| List price | € 128 Buy this book
This title is available in ActaHort USB-drive or e-Acta format - not available in print |
| Convener | A. Hadidi |
| Editor | A. Hadidi |
Publication
date | 1 November 1998 |
| ISBN | 978-90-66059-60-3 |
| ISSN | 0567-7572 (print) 2406-6168 (electronic) |
| Number of articles | 101 |
| Volumes | 2 |
| Place | Bethesda, MD, USA |
| Online articles: |
 | WELCOME ADDRESS BY THE CONVENER OF THE XVII INTERNATIONAL SYMPOSIUM ON VIRUS AND VIRUS-LIKE DISEASES OF TEMPERATE FRUIT CROPS (A. Hadidi) |
| CHARACTERIZATION OF SX/2, AN APPLE CHLOROTIC LEAF SPOT VIRUS ISOLATE SHOWING UNUSUAL COAT PROTEIN PROPERTIES (T. Malinowski, B. Komorowska, M. Cieslinska, B. Zawadzka, T. Candresse) |
| DETECTION OF APPLE CHLOROTIC LEAF SPOT VIRUS AND APPLE STEM GROOVING VIRUS BY DOT-IMMUNOBINDING ASSAY (Q. Wang, Y. Shi, J. Yang, Q. Sun) |
| COMPARISON OF THREE ELISA METHODS FOR THE DETECTION OF APPLE CHLOROTIC LEAF SPOT VIRUS AND APPLE STEM GROOVING VIRUS (Y.Q. Wu, D.M. Zhang, S.Y. Chen, X.F. Wang, W.H. Wang) |
| SYMPTOMS ON APPLE AND PEAR INDICATORS AFTER BACK-TRANSMISSION FROM NICOTIANA OCCIDENTALIS CONFIRM THE IDENTITY OF APPLE STEM PITTING VIRUS WITH PEAR VEIN YELLOWS VIRUS (G. Leone, J.L. Lindner, F.A. van der Meer, C.D. Schoen, G. Jongedijk) |
| PCR-DETECTION OF APPLE STEM PITTING VIRUS FROM POME FRUIT HOSTS AND SEQUENCE VARIABILITY AMONG VIRAL ISOLATES (L. Nemchinov, A. Hadidi, F. Faggioli) |
| DETECTION AND CHARACTERIZATION OF EUROPEAN APPLE STEM PITTING VIRUS SOURCES FROM APPLE AND PEAR BY PCR AND PARTIAL SEQUENCE ANALYSIS (K. Schwarz, W. Jelkmann) |
| DETECTION OF APPLE STEM PITTING VIRUS AND PEAR VEIN YELLOWS VIRUS USING REVERSE TRANSCRIPTION - POLYMERASE CHAIN REACTION (T. Malinowski, B. Komorowska, T. Golis, B. Zawadzka) |
| SENSITIVE DETECTION OF APPLE STEM GROOVING AND APPLE STEM PITTING VIRUSES FROM INFECTED APPLE TREES BY RT-PCR (J. Kummert, V.L.A. Marinho, G. Rufflard, D. Colinet, P. Lepoivre) |
| DEVELOPMENT OF COLORIMETRIC RT-PCR TESTS FOR APPLE STEM GROOVING VIRUS DETECTION IN APPLE TREES (J. Daniels, V.L.A. Marinho, J. Kummert, P. Lepoivre) |
| IC-PCR AMPLIFICATION OF APPLE STEM GROOVING VIRUS ISOLATES AND COMPARISON OF POLYMERASE AND COAT PROTEIN GENE SEQUENCES (S.J. Crossley, V. Jacobi, A.N. Adams) |
| FACTORS AFFECTING THE DETECTION OF APPLE STEM GROOVING VIRUS BY PCR ANALYSIS (D. James) |
| RELATIONSHIP BETWEEN QUINCE FRUIT DEFORMATION VIRUS AND SOME POME FRUIT VIRUSES (S. Paunovic, M. Rankovic) |
| MERISTEM TIP CULTURE AND HEAT THERAPY FOR PRODUCTION OF APPLE MOSAIC VIRUS FREE PLANTS IN INDIA (S.V. Bhardwaj, S.J. Rai, P.D. Thakur, A. Handa) |
| THE VERSATILITY OF PRUNUS TOMENTOSA AS A BIOINDICATOR OF VIRUSES (V.D. Damsteegt, A.L. Stone, G.I. Mink, W.E. Howell, H.E. Waterworth, L. Levy) |
| VECTORS AS EPIDEMIOLOGICAL FACTORS IN WIDENING THE HOST RANGE FOR VIRUSES OF FRUIT TREES AND SMALL FRUIT CROPS (M. Keldish, Y. Pomazkov, E. Arushanova, O. Chervyakova) |
| APRICOT LATENT VIRUS: TRANSMISSION, PURIFICATION AND SEROLOGY (E.Z. Zemtchik, T.D. Verderevskaya, Yu.A. Kalashian) |
| APRICOT LATENT VIRUS: A NOVEL STONE FRUIT PATHOGEN AND ITS RELATIONSHIP TO APPLE STEM PITTING VIRUS (L. Nemchinov, A. Hadidi) |
| CHARACTERIZATION OF STOCKY PRUNE VIRUS, A NEW NEPOVIRUS DETECTED IN FRENCH PRUNES (T. Candresse, R.P. Delbos, O. Le Gall, J. Dunez, J.C. Desvignes) |
| A NEW DISEASE OF PRUNUS MUME (JAPANESE APRICOT) CAUSED BY MULTIPLE INFECTION WITH CUCUMBER MOSAIC CUCUMOVIRUS AND PRUNUS NECROTIC RINGSPOT RELATED ILARVIRUS (J. Kurihara, K. Tomaru, T. Otsubo, M. Sakakibara, K.T. Natsuaki, S. Tsuda, Y. Arimoto, M. Kirita) |
| CHARACTERIZATION OF APPLE CHLOROTIC LEAF SPOT VIRUS ISOLATES FROM ITALY (G. Pasquini, F. Faggioli, M. Pilotti, V. Lumia, M. Barba) |
| STUDIES ON THE INCIDENCE OF ILARVIRUSES AND APPLE CHLOROTIC LEAF SPOT VIRUS (ACLSV) IN APRICOT TREES IN THE MURCIA REGION (SPAIN) USING SEROLOGICAL AND MOLECULAR HYBRIDIZATION METHODS (S. Dominguez, F. Aparicio, J.A. Sánchez-Navarro, V. Pallás, J. García-Brunton, A. Cano) |
| TRANSMISSION OF PRUNUS NECROTIC RINGSPOT VIRUS TO THREE PEACH CULTIVARS AS MEASURED BY RNA HYBRIDIZATION FOLLOWING IN VITRO MICROGRAFTING (K. Heuss, Q. Liu, F.A. Hammerschlag, R.W. Hammond) |
| A PCR-ELISA PROCEDURE FOR THE SIMULTANEOUS DETECTION AND IDENTIFICATION OF PRUNUS NECROTIC RINGSPOT (PNRSV) AND APPLE MOSAIC (APMV) ILARVIRUSES (T. Candresse, S.A. Kofalvi, M. Lanneau, J. Dunez) |
| EVALUATING THE USE OF IMMUNOCAPTURE AND SAP-DILUTION PCR FOR THE DETECTION OF PRUNUS NECROTIC RINGSPOT VIRUS (A. Rosner, Y. Shiboleth, S. Spiegel, L. Krisbai, M. Kölber) |
| STRAIN-SPECIFIC POLYMERASE CHAIN REACTION ASSAYS FOR DISCRIMINATION OF PRUNUS NECROTIC RINGSPOT VIRUS ISOLATES (R.W. Hammond, J.M. Crosslin, W.E. Howell, G.I. Mink) |
| DETECTABILITY OF PRUNUS NECROTIC RINGSPOT AND PLUM POX VIRUSES BY RT-PCR, MULTIPLEX RT-PCR, ELISA AND INDEXING ON WOODY INDICATORS (M. Kölber, M. Németh, L. Krizbai, M. Szemes, E. Kiss-Tóth, L. Dorgai, M. Kálmán) |
| DETECTION OF PRUNE DWARF VIRUS IN SWEET CHERRY IN ISRAEL (S. Spiegel, A. Rosner, Y. Tam, S. Zilkah, E. Faingersh, A. Rotbaum, L. Krizbai) |
| DETECTION AND TYPING OF PRUNUS VIRUSES IN PLANT TISSUES AND IN VECTORS BY PRINT AND SPOT-CAPTURE PCR, HEMINESTED-PCR AND PCR-ELISA (M. Cambra, A. Olmos, M. Asensio, O. Esteban, M.T. Gorris, D. Boscia, T. Candresse) |
| DETECTION OF VIRUSES OF WOODY HOST PLANTS USING COLORIMETRIC PCR (A. Rowhani, L. Biardi, D.A. Golino) |
| SCREENING FOR VIRUS-RESISTANT VARIETIES OF CHINESE CHERRY IN VITRO (Y. Shi, Q. Wang, P. Zhou, C. Shi) |
| IMPACT AND CONTROL OF PEACH MOSAIC IN NORTH AMERICA (H.J. Larsen) |
| EXPRESSION OF PEACH MOSAIC SYMPTOMS IN NECTARINE AND PEACH CULTIVARS (H.J. Larsen, K.S. Yu, A.H. Hatch) |
| IDENTIFICATION OF A FLEXUOUS VIRUS ASSOCIATED WITH PEACH MOSAIC DISEASE (D. James, W.E. Howell) |
| BOTH THE SMALL CIRCULAR RNAs AND THE DOUBLE-STRANDED RNAs ASSOCIATED WITH THE CHLOROTIC RUSTY SPOT DISEASE OF SWEET CHERRY ARE ALSO FOUND IN SOUR CHERRY WITH SIMILAR SYMPTOMS (F. Di Serio, R. Flores, D. Alioto, A. Ragozzino) |
| DETECTION OF CHERRY VIRUS A IN CANADA AND GERMANY (D. James, W. Jelkmann) |
| RELATIONSHIP OF CHERRY VIRUS A TO LITTLE CHERRY DISEASE IN BRITISH COLUMBIA (K.C. Eastwell, M.G. Bernardy) |
| COMPLETE NUCLEOTIDE SEQUENCE OF LITTLE CHERRY CLOSTEROVIRUS AND VIRUS DETECTION BY POLYMERASE CHAIN REACTION (W. Jelkmann, R. Keim-Konrad, M. Vitushkina, B. Fechtner) |
| COMPARATIVE NUCLEOTIDE SEQUENCES OF THE COAT PROTEIN-ENCODING REGION OF THE GENOMES OF CHERRY LEAFROLL VIRUS STRAINS INFECTING WALNUT (Y. Zhou, E.L. Civerolo, J.A. Melvin) |
| MOLECULAR BIOLOGY OF CITRUS TRISTEZA VIRUS: IMPLICATIONS FOR DISEASE DIAGNOSIS AND CONTROL (A.V. Karasev, W.O. Dawson, M.E. Hilf, S.M. Garnsey) |
| CHERRY PLUM POX POTYVIRUS: RECEPTIVITY OF CHERRY TREES AND HOSTS OF THE SOUR CHERRY STRAIN (J.C. Desvignes, N. Grasseau, R. Boyé, P. Gentit) |
| PECULIAR PLUM POX POTYVIRUS D-POPULATIONS ARE EPIDEMIC IN PEACH TREES (S. Dallot, G. Labonne, M. Boeglin, L. Quiot-Douine, J.B. Quiot, T. Candresse) |
| CHARACTERIZATION OF PLUM POX VIRUS INFECTING PLUM TREES IN NORTH TRANSYLVANIA AND NORTH MOLDOVA OF ROMANIA (M. Ravelonandro, N. Minoiu) |
| DETECTION AND SEROLOGICAL IDENTIFICATION OF PLUM POX VIRUS ISOLATES IN THE CZECH REPUBLIC (M. Navrátil, V. Šimonová, F. Paprštein, R. Karešová) |
| THIRTEEN YEARS OF SHARKA DISEASE IN VALENCIA, SPAIN (G. Llácer, M. Cambra) |
| STUDIES ON AN APRICOT STRAIN OF PLUM POX POTYVIRUS ISOLATED FROM EL AMAR, EGYPT (M.H. Abdel-Ghaffar, M.A. Abo El-Nasr, V. Hari) |
| SURVEY OF SHARKA DISEASE (PLUM POX VIRUS) ON STONE FRUIT TREES IN CHILE (G. Herrera, P. Sepúlveda, M. Madariaga) |
| MOLECULAR CHARACTERIZATION OF PLUM POX VIRUS ISOLATED FROM APRICOTS, PLUMS AND PEACHES IN CHILE (M. Rosales, P. Hinrichsen, G. Herrera) |
| OUTBREAK AND ERADICATION OF PLUM POX POTYVIRUS IN THE NETHERLANDS (J.Th.J. Verhoeven, A.M. de Haas, J.W. Roenhorst) |
| CHALLENGING TRANSGENIC PLUMS EXPRESSING POTYVIRUS COAT PROTEIN GENES WITH VIRULIFEROUS APHIDS (M. Ravelonandro, J. Dunez, G. Labonne, R. Scorza) |
| TRANSFERRING POTYVIRUS COAT PROTEIN GENES THROUGH HYBRIDIZATION OF TRANSGENIC PLANTS TO PRODUCE PLUM POX VIRUS RESISTANT PLUMS (PRUNUS DOMESTICA L.) (R. Scorza, A.M. Callahan, V. Damsteegt, L. Levy, M. Ravelonandro) |
| HYPERSENSITIVITY - A POSSIBILITY FOR BREEDING SHARKA RESISTANT PLUM HYBRIDS (W. Hartmann) |
| SYMPTOMATOLOGICAL AND SEROLOGICAL EVALUATION OF PEACH CULTIVARS FOR RESISTANCE TO PLUM POX VIRUS (J. Polák) |
| INHERITANCE OF PLUM POX VIRUS RESISTANCE IN PLUM HYBRIDS (I.T. Lahmatova, T.D. Verderevskaya, E.Z. Zemtchik, A.M. Juravel) |
| ANALYSIS OF LEVEL OF PPV INFECTION IN PEACH AND NECTARINE TREES IN SOUTHERN ROMANIA (S. Toma, A. Ivascu, V. Balan) |
| ARTIFICIAL INFECTION OF PLUM GERMPLASM WITH PLUM POX VIRUS (F. Paprtšein, R. Karešová, M. Navrátil) |
| IN VITRO INOCULATION OF PRUNUS SPECIES WITH PLUM POX POTYVIRUS (M. Lansac, L. Chalak, B. Cardona, A. Sorbier, M. Bodin-Ferri, F. Dosba, G. Labonne, L. Quiot, J.B. Quiot) |
| CHARACTERIZATION OF PLUM POX VIRUS COAT PROTEIN EPITOPES USING FUSION PROTEINS EXPRESSED IN E. COLI (T. Candresse, F. Rafia, J. Dunez, M. Navratil, D. Boscia, M. Cambra, M. Asensio, J.A. García, G. Pasquini, M. Barba) |
| DETECTION OF PLUM POX VIRUS IN ROOT AND BARK SAMPLES FROM DORMANT PLUM TREES (A.N. Adams, C.M. Guise, S.J. Crossley) |
| APPLICATION OF THE IMMUNOCAPTURE-PCR TECHNIQUE FOR PLUM POX POTYVIRUS DETECTION UNDER FIELD CONDITIONS IN GREECE AND ASSAYS TO SIMPLIFY STANDARD TECHNIQUES (C. Varveri, K. Boutsika) |
| A BROAD-SPECTRUM PCR ASSAY COMBINED WITH RFLP ANALYSIS FOR DETECTION AND DIFFERENTIATION OF PLUM POX VIRUS ISOLATES (J. Hammond, H. Pühringer, A. da Câmara Machado, M. Laimer da Câmara Machado) |
| SYNTHETIC PEPTIDES IN DIAGNOSIS OF PLUM POX POTYVIRUS (A. Crescenzi, L. d'Aquino, M. Nuzzaci, S. Comes, P. Piazzolla, A. De Stradis, A. Ostuni, A. Bavoso) |
| A FIVE-YEAR STUDY TO DETERMINE THE EVENTUAL OCCURRENCE OF PLUM POX VIRUS IN CHERRY CULTIVARS IN HUNGARY (M. Kölber, M. Németh, G. Tõkés, L. Krizbai, S. Szõnyegi, I. Ember, Zs. Bereczky, E. Pocsai, R. Hangyál, Á. Vollent, E. Bencze, E. Papp, A. Pete, Gy. Hajnóczy, E. Kiss, P. Imre, M. Takács, F. Merõ) |
| MOLECULAR EVIDENCE FOR THE OCCURRENCE OF PLUM POX VIRUS - CHERRY SUBGROUP IN HUNGARY (L. Nemchinov, A. Hadidi, M. Kölber, M. Németh) |
| PHYTOSANITARY IMPROVEMENT OF FRUIT TREE SPECIES: DIAGNOSTIC STRATEGIES IN VIRUS-INDEXING OF IN VITRO PLANTS (A. da Câmara Machado, D. Mendonça, M.S. Lopes, E. Knapp, V. Hanzer, W. Arthofer, H. Katinger, M. Laimer da Câmara Machado) |
| EFFORTS TO HARMONIZE AND PROMOTE A STONE FRUIT CERTIFICATION SCHEME IN THE MEDITERRANEAN COUNTRIES (B. Di Terlizzi, J.M.K. Çaglayan, I. Gavriel, A. Myrta, M. Srhiri, H. Zeramdini, J.M. Audergon, M. Djerbi, W. Khouri, V. Pallás, C. Varveri, V. Savino) |
| VIRUS AND VIRUS-LIKE DISEASES OF STONE FRUITS IN THE EASTERN MEDITERRANEAN AREA OF TURKEY (K. Çaglayan, M.H. Gazel) |
| VIRUS-FREE PLUM AND PEACH MOTHER PLANT PRODUCTION IN EGYPT (M.A.E. Awad, L.M. Ibrahem, A.E. Aboul-Ata, M. Ziedan, H.M. Mazyad, E. Abdel-Aziz, N. Mansour) |
| DIAGNOSIS OF VIRAL DISEASES IN STONE FRUITS CULTIVATED IN THE AZOREAN ISLANDS TERCEIRA AND GRACIOSA (D. Mendonça, M.S. Lopes, A. da Câmara Machado, M. Laimer da Câmara Machado) |
| TEMPERATE FRUIT GERMPLASM BORNE PATHOGEN COLLECTIONS AT NCGR-CORVALLIS (J.D. Postman) |
| THE NAKTUINBOUW-LABORATORY (A. van Zaaijen, J. Schuuring) |
| INSPECTION ACTIVITIES OF NAKTUINBOUW (J.E.M. van Ruiten, G.P. Jongedijk) |
| CLASSIFICATION OF THE SMALL PLANT PATHOGENIC RNAS (H.L. Sänger) |
| OCCURRENCE OF VIROIDS IN TEMPERATE FRUIT TREES IN ITALY (S. Loreti, F. Faggioli, R. Barrale, M. Barba) |
| GENERAL ASPECTS OF PEACH LATENT MOSAIC DISEASE (G. Llácer) |
| OCCURRENCE OF PEACH LATENT MOSAIC VIROID IN AMERICAN PEACH AND NECTARINE CULTIVARS IN VALENCIA, SPAIN (M.L. Badenes, G. Llácer) |
| PLUM SPOTTED FRUIT: A DISEASE ASSOCIATED WITH PEACH LATENT MOSAIC VIROID (L. Giunchedi, C. Poggi-Pollini, P. Gentit, L. Nemchinov, A. Hadidi) |
| STUDIES ON THE INCIDENCE OF HOP STUNT VIROID IN APRICOT TREES (PRUNUS ARMENIACA) BY USING AN EASY AND SHORT EXTRACTION METHOD TO ANALYZE A LARGE NUMBER OF SAMPLES (M.C. Cañizares, J.F. Marcos, V. Pallás) |
| REPRODUCTION OF APPLE FRUIT CRINKLE DISEASE SYMPTOMS BY APPLE FRUIT CRINKLE VIROID (T. Ito, K. Yoshida) |
| IDENTIFICATION OF APPLE DIMPLE FRUIT VIROID IN DIFFERENT COMMERCIAL VARIETIES OF APPLE GROWN IN ITALY (F. Di Serio, L. Giunchedi, D. Alioto, A. Ragozzino, R. Flores) |
| TWO RAPID EXTRACTION METHODS TO DETECT APPLE SCAR SKIN AND HOP STUNT VIROIDS BY RT-PCR (H. Osaki, Y. Ohtsu, A. Kudo) |
| AGROINFECTION OF PEAR AND APPLE WITH DAPPLE APPLE VIROID RESULTS IN SYSTEMIC INFECTION (S.F. Zhu, A. Hadidi, R.W. Hammond) |
| NATURAL INFECTION OF WILD AND CULTIVATED PEARS WITH APPLE SCAR SKIN VIROID IN GREECE (P.E. Kyriakopoulou, A. Hadidi) |
| BUMPY FRUIT AND OTHER VIROID AND VIROID-LIKE DISEASES OF APPLE IN HP, INDIA (M.K. Behl, D.B. Parakh, S.M.P. Khurana) |
| STATUS OF DAPPLE APPLE VIROID IN INDIA (A. Handa, P.D. Thakur, S.V. Bhardwaj) |
| NON-TRANSMISSION OF APPLE SCAR SKIN VIROID AND PEACH LATENT MOSAIC VIROID THROUGH SEED (W.E. Howell, L.J. Skrzeczkowski, G.I. Mink, A. Nunez, T. Wessels) |
| ELIMINATION OF APPLE FRUIT AND BARK DEFORMING AGENTS BY HEAT THERAPY (W.E. Howell, J. Burgess, G.I. Mink, L.J. Skrzeczkowski, Y.P. Zhang) |
| OCCURRENCE OF FRUIT TREE PHYTOPLASMAS IN THE CZECH REPUBLIC (M. Navrátil, P. Válová, R. Fialová, R. Karešová, J. Fránová, Z. Vorácková) |
| SEARCHING FOR LEAFHOPPER VECTORS OF PHYTOPLASMAS: THE CHOICE OF TRAPPING METHODS (G. Labonne, J.B. Quiot, F. Lauriaut) |
| TRANSMISSION OF PEAR DECLINE BY USING NATURALLY INFECTED CACOPSYLLA PYRI L. (L. Carraro, N. Loi, P. Ermacora, A. Gregoris, R. Osler) |
| THE EPIDEMIOLOGY OF PEAR DECLINE IN THE UK (D.L. Davies, M.F. Clark, A.N. Adams) |
| SUSCEPTIBILITY TO PHYTOPLASMA INFECTION OF THREE PEAR VARIETIES GRAFTED ON DIFFERENT ROOTSTOCKS (M. Pastore, M. Santonastaso, M. Vibio, A. Bertaccini, I.M. Lee, F. La Cara) |
| PEAR DECLINE RESISTANCE IN PYRUS COMMUNIS ROOTSTOCKS AND PROGENIES OF WILD AND ORNAMENTAL PYRUS TAXA (E. Seemüller, K.-H. Lorenz, U. Lauer) |
| MOLECULAR DETECTION OF PHYTOPLASMAS IN APPLE WITH RUBBERY WOOD SYMPTOMS (A. Bertaccini, M. Vibio, J. Franova-Honetslegrova, M. Janeckova) |
| CHARACTERIZATION OF THE PHYTOPLASMAS. ASSOCIATED WITH CHERRY LETHAL YELLOWS AND JUJUBE WITCHES'-BROOM DISEASES IN CHINA* (S.F. Zhu, A. Hadidi, D.E. Gundersen, I.-M. Lee, C.L. Zhang) |
| ERADICATION AS A CONTROL MEASURE FOR X-DISEASE IN CALIFORNIA CHERRY ORCHARDS (J.K. Uyemoto, R.E. Bethell, B.C. Kirkpatrick, G.P. Munkvold, J.J. Marois, K.W. Brown) |
| IDENTIFICATION AND COMPARISON OF DIFFERENT PRUNUS PHYTOPLASMA DISEASES BY INDEXING ON GF305 PEACH SEEDLINGS IN THE GREENHOUSE (P. Gentit, D. Cornaggia, J.C. Desvignes) |
| PCR DETECTION OF POME AND STONE FRUIT PHYTOPLASMAS FROM ACTIVE OR DORMANT TISSUE (L. Carraro, L. Nemchinov, A. Hadidi) |
| OUTBREAK OF A PHYTOPLASMA DISEASE OF PEACH IN THE NORTHWESTERN HIMALAYAS OF INDIA (P.D. Thakur, A. Handa, S.C. Chowfla, G. Krczal) |
| IPGRI'S ROLE IN CONTROLLING VIRUS DISEASES IN FRUIT GERMPLASM* (M. Diekmann) |
| THE ROLE OF NAPPO IN FRUIT CROP VIRUS-TESTING AND CERTIFICATION (D.A. Thompson) |
| ROLE OF EPPO IN CONTROLLING PLANT VIRUSES IN TEMPERATE FRUIT CROPS (A.S. Roy) |
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