| ACKNOWLEDGEMENTS |
| THE ACTIVITIES OF EPPO IN RELATION TO THE IMPROVEMENT AND HARMONIZATION OF HEALTH STANDARDS FOR ORNAMENTAL PLANTS IN THE EUROPEAN AND MEDITERRANEAN REGION (R. LOPIAN) |
| VIRUS AND VIRUS-LIKE DISEASES OF PELARGONIUM IN ISRAEL (A. Franck, G. Loebenstein) |
| ELECTRON MICROSCOPICAL AND SEROLOGICAL STUDIES ON FOUR ISOMETRICAL PELARGONIUM VIRUSES (D.-E. Lesemann, G. Adam) |
| INFLUENCE OF PELARGONIUM FLOWER BREAK VIRUS (PFBV) AND NEPOVIRUSES ON PELARGONIUM PRODUCTION (J. Albouy, G. Krczal, C. Lajoux) |
| FURTHER CHARACTERIZATION OF A POTYVIRUS IN ALSTROEMERIA ENDOWMENT SERIES (S.M. Wong, C.G. Chng, R.A. Reiser, R.K. Horst) |
| SURVEY OF VIRUSES INFECTING ALSTROEMERIA IN ITALY (M.G. Bellardi, A. Bertaccini, L. Betti) |
| CHARACTERIZATION OF AN ILARVIRUS FROM LISIANTHUS (EUSTOMA GRANDIFLORUM) (V. Lisa, A.M. Vaira, M. d'Aquilio, G. Dellavalle, V. Masenga, R.G. Milne, G. Boccardo) |
| CUCUMBER MOSAIC, A POTYVIRUS AND A CARLAVIRUS FROM DIMORPHOTHECA SINUATA (G. Dellavalle, V. Masenga, V. Lisa) |
| THE NATURAL OCCURRENCE OF CUCUMBER MOSAIC VIRUS IN ORNAMENTALS IN ISRAEL (A. Gera) |
| A POTYVIRUS INFECTING CHRYSANTHEMUM FRUTESCENS (A. Bertaccini, M.G. Bellardi, F. Marani, A. Rabiti) |
| A NEW SOILBORNE VIRUS DISEASE IN STATICE (GONOLIUM TARTARICUM) (G. Krczal, M. Beutel) |
| NEW NATURAL HOSTS OF TOMATO SPOTTED WILT VIRUS (M. Kaminska, M. Korbin) |
| IDENTIFICATION AND CHARACTERIZATION OF A NEW TOSPOVIRUS ISOLATE FROM ANEMONE CORONARIA L. BY TAS-ELISA AND ELECTRON MICROSCOPY (G. Adam, D.-E. Lesemann) |
| ARTIFICIAL INFECTION OF ORNAMENTALS WITH TOMATO SPOTTED WILT VIRUS (TSWV) AND THE OCCURRENCE OF TSWV IN RHINELAND-PALATINATE (A. Feldhoff, G. Krczal) |
| INFLUENCE OF TEMPERATURE ON THE ULTRASTRUCTURE AND SEROLOGICAL REACTIVITY OF TWO TOSPOVIRUS ISOLATES (R.H. Lawson, M.M. Dienelt, H.T. Hsu) |
| THE RESPONSE OF GERBERA TO INFECTION WITH TOMATO SPOTTED WILT VIRUS (M. Kaminska) |
| TOWARDS A RELIABLE AND FAST IMMUNOLOGICAL DETECTION OF TOMATO SPOTTED WILT VIRUS IN INFECTED TISSUES (D. Louro) |
| TOMATO SPOTTED WILT VIRUS: ECOLOGICAL ASPECTS IN ORNAMENTAL CROPS IN THE NETHERLANDS FROM 1989 UP TO 1991 (J.Th.J. Verhoeven, J.W. Roenhorst) |
| DETECTION OF ODONTOGLOSSUM RINGSPOT VIRUS WITH AN AMPLIFIED ENZYME-LINKED IMMUNOSORBENT ASSAY (ELISA) SYSTEM EMPLOYING A SECONDARY CYCLIC ENZYME REACTION (S.M. Wong, S.H. Lim) |
| EVALUATION OF RAPID ELISA PROCEDURES FOR DETECTING VIRUSES IN PROPAGATION STOCK OF PELARGONIUM, DAHLIA AND ORCHIDS (J. Albouy, C. Kusiak, M. Louanchi, W. Wang) |
| VARIANTS AND DISTINGUISHING FEATURES OF ENZYME IMMUNOASSAY OF PLANT VIRUSES (A. Zeidaka, L. Dzirkale, O. Skrodelis, J. Ignass) |
| TOWARDS A RELIABLE DETECTION OF ALSTROEMERIA MOSAIC VIRUS (Corine M. de Blank, A. Zaayen, I. Bouwen) |
| DETECTION OF BEAN YELLOW MOSAIC VIRUS IN GLADIOLI CORMS (A. Stein, A. Rosner, J. Hammond) |
| DETECTION OF CUCUMBER MOSAIC AND TOMATO ASPERMY CUCUMOVIRUSES BY MEANS OF POLYMERASE CHAIN REACTION (R.-M. Leiser, J. Schumacher) |
| THE APPLICATION OF MOLECULAR TECHNIQUES FOR THE DETECTION AND CONTROL OF VIRUSES OF ORNAMENTAL PLANTS (J. Hammond, A. Rosner) |
| INHIBITOR OF VIRUS REPLICATION (IVR) ASSOCIATED WITH THE LOCAL LESION RESPONSE IN TOBACCO: POSSIBILITIES TO ENGINEER RESISTANT PLANTS (A. Gera, R. Aly, E. Teverovsky, G. Loebenstein) |
| TOMATO YELLOW LEAF CURL VIRUS, A GEMINIVIRUS WITH A SINGLE GENOMIC COMPONENT: MOLECULAR ANALYSIS OF INFECTION AND NEW WAYS FOR TOMATO PROTECTION (H. Czosnek, M. Zeidan, I. Ekstein, T. Zur-Kunik, Y. Gafni, B. Gronenborn, D. Zamir) |
| CYTOPLASMIC INCLUSIONS INDUCED BY NARCISSUS LATENT VIRUS (A.A. Brunt, P.T. Atkey, C. Frost, S. Phillips) |
| LILY MOTTLE VIRUS IN LILIES: CHARACTERIZATION, STRAINS AND ITS DIFFERENTIATION FROM TULIP BREAKING VIRUS IN TULIPS (A.F.L.M. Derks, M.E.C. Lemmers, B.A. van Gemen) |
| VIRUSES IN TULIP IN THE NETHERLANDS (C.J. Asjes) |
| AIR-BORNE FIELD SPREAD OF TULIP BREAKING VIRUS, LILY SYMPTOMLESS VIRUS AND LILY VIRUS X IN LILY AFFECTED BY SEASONAL INCIDENCE OF FLYING APHIDS AND CONTROL BY SPRAYS OF MINERAL OIL, VEGETABLE OIL, INSECTICIDE AND PHEROMONE IN THE NETHERLANDS (C.J. Asjes, G.J. Blom-Barnhoorn) |
| FREESIA LEAF NECROSIS: SOME OF ITS MYSTERIES REVEALED (I. Bouwen) |
| ASSOCIATION OF RHODOCOCCUS (CORYNEBACTERIUM) FASCIANS WITH THE STUNTING-FASCIATION SYNDROME OF CARNATION IN ISRAEL (D. Zutra, J. Cohen, A. Gera, G. Loebenstein) |
| HYDRANGEA VIRESCENCE, A DISEASE ASSOCIATED WITH MYCOPLASMALIKE ORGANISMS IN CANADA (C. Hiruki, X.D. Rong, S.J. Deng) |
| RESULTS REGARDING THE DEVELOPMENT AND EXPERIMENTATION OF A SYSTEM FOR PRODUCTION OF "VIRUS-FREE" PROPAGATING MATERIAL IN CARNATION (I.V. Pop, C. Sandu, D. Constantinovici) |
| TRANSMISSION OF DIANTHOVIRUSES (C. Hiruki) |
| OCCURRENCE OF TOBACCO RATTLE VIRUS IN ORNAMENTAL BULBOUS CROPS IN THE NETHERLANDS (C.J. Asjes) |
| ROSA SP. - RESERVOIR OF THE SOUR CHERRY NECROTIC RINGSPOT VIRUS (H. Baumgartnerová) |
| DETECTION OF TOMATO SPOTTED WILT VIRUS IN CZECHOSLOVAKIA (J. Mertelík, V. Mokráa, V. Zacha) |
| IDENTIFICATION OF VIRUS INFECTIONS IN DIEFFENBACHIA AND ZANTEDESCHIA IN CZECHOSLOVAKIA (V. Mokrá, B. Götzová) |
| DETECTION OF CARNATION VEIN MOTTLE VIRUS IN DIANTHUS BARBATUS (V. Mokrá, B. Götzová) |
| VIRUS DISEASES OF FOREST TREES (V. Subíková) |
| EXPRESSION OF POTATO SPINDLE TUBER VIROID (PSTVD) IN CHRYSANTHEMUM CV. SNOWDON TRANSFORMED WITH PSTVD CDNAS. (L. Trnená, J. Matoušek, S. Rakousky) |
| POTYVIRUS RESISTANCE DERIVED FROM ANTISENSE RNA AND NATIVE OR CHIMERIC COAT PROTEIN GENES (J. Hammond, K.K. Kamo) |
| SURVEY ON VIRUS DISEASES OF BULBOUS FLOWERS IN HUNGARY (ZS.I. Némethi) |