 | PREFACE (O. Lovisolo, V. Lisa) |
| NEW VIRUSES AND VIRUS STRAINS (R.H. Lawson) |
| RAPID DIAGNOSIS OF ORNITHOGALUM AND LACHENALIA VIRUSES IN PROPAGATION STOCK (J.T. Burger, M.B. von Wechmar) |
| A POTYVIRUS INFECTING RANUNCULUS ASIATICUS (M.S. Elliott, M. Gallegati, F.W. Zettler, N.-J. Ko) |
| SOME PROPERTIES OF A VIRUS ISOLATED FROM CASSIA CORYMBOSA WITH A MOSAIC DISEASE (N. Ngamyeesoon, R.G.T. Hicks) |
| VIRUSES IN DIPLADENIA SANDERI (N. Paludan, M. Heide, J. Begtrup, B. Borkhardt) |
| A STRAIN OF CLOVER YELLOW VEIN VIRUS ISOLATED FROM CALANTHE SP. (N. Inouye, T. Maeda, K. Mitsuhata) |
| OCCURRENCE OF CANNA YELLOW MOTTLE VIRUS IN NORTH AMERICA (B.E.L. Lockhart) |
| PURIFICATION AND MECHANICAL TRANSMISSION OF KALANCHOE TOP-SPOTTING-ASSOCIATED VIRUS (B.E.L. Lockhart, Z. Ferji) |
| VIROIDS AND VIROID DISEASES (Heinz L. Sänger) |
| THE EFFECT OF TEMPERATURE AND LIGHT ON CHRYSANTHEMUM STUNT VIROID INFECTION OF FLORISTS CHRYSANTHEMUM (M.K. Handley, R.K. Horst) |
| REDUCED SUSCEPTIBILITY OF FLORISTS' CHRYSANTHEMUM TO ERWINIA CHRYSANTHEMI FOLLOWING VIROID INFECTION (R.J. McGovern, R.K. Horst, R.S. Dickey) |
| INFECTIVITY OF THE VIROID-LIKE RNAS ASSOCIATED WITH THE CARNATION STUNTING SYNDROME (G. Boccardo, M. d'Aquilio, P. Palukaitis, C. Marzachi, V. Lisa) |
| CLONED NUCLEIC ACID HYBRIDIZATION PROBES IN DETECTION AND CLASSIFICATION OF MYCOPLASMALIKE ORGANISMS (MLOS) (Robert E. Davis, I. Lee, Ellen L. Dally, N. Dewitt, Sharon M. Douglas) |
| PHYLLODY AND VIRESCENCE IN RANUNCULUS HYBRIDS (A. Bertaccini, F. Marani, S. Rapetti) |
| SOME CHARACTERISTICS OF CHRYSANTHEMUM YELLOWS DISEASE (M. Conti, G. D'Agostino, A. Casetta, L. Mela) |
| MYCOPLASMA DISEASES OF DIMORPHOTHECA SINUATA AND CATHARANTHUS ROSEUS IN SICILY (V. Grimaldi, S. Grasso) |
| CHRYSANTHEMUM PHLOEM NECROSIS: MICROSCOPY OF THE PUTATIVE PATHOGEN (H. W. Israel, R. Kenneth Horst, Robert J. McGovern, S. O. Kawamoto, Karen F. Weaber, Susan J. Bucci, E. Paduch-Cichal) |
| EFFECTS OF TEMPERATURE ON EXPRESSION OF CHRYSANTHEMUM SLOW DECLINE IN CHRYSANTHEMUM MORIFOLIUM (R.H. Lawson, H.T. Hsu) |
| VIRUS DISEASES IN THE GENT REGION (W. Welvaert, G. Samyn) |
| RECENT ADVANCES IN SERODIAGNOSIS OF PLANT VIRUS DISEASES (M.H.V. Van Regenmortel, E.L. Dekker, I. Dore, C. Porta, E. Weiss, J. Burckard) |
| PRACTICAL ASPECTS IN THE PRODUCTION AND USE IN ELISA OF ANTISERA AGAINST VIRUSES IN BULBOUS CROPS (A.F.L.M. Derks, M.E.C. Lemmers, C.I.M. van der Vlugt) |
| TOWARDS A RAPID AND RELIABLE DETECTION METHOD FOR IRIS SEVERE MOSAIC VIRUS IN IRIS BULBS (C. I.M. van der Vlugt, A.F.L.M. Derks, J. Dijkstra, R. Goldbach) |
| DETECTION OF IRIS MILD MOSAIC VIRUS IN BULBS AND LEAVES OF BULBOUS IRIS BY ELISA (A.R. van Schadewijk, A.F.L.M. Derks, M.E.C. Lemmers, Th.C. Hollinger) |
| AN APPRAISAL OF THE IDENTITIES OF POTYVIRUSES INFECTING NARCISSUS (W.P. Mowat, G.H. Duncan, S. Dawson) |
| IMMUNOLOGICAL DETECTION OF CARNATION YELLOW FLECK VIRUS (CYFV) IN INFECTED CARNATIONS (C. PONCET, J.C. DEVERGNE) |
| ELISA DETECTION OF CARNATION VEIN MOTTLE AND CARNATION LATENT VIRUSES (E. Luisoni, M. Vecchiati, P. Roggero) |
| OCCURENCE AND IDENTIFICATION OF CARNATION NECROTIC FLECK VIRUS IN CZECHOSLOVAKIA (V. Mokrá, J. Mertelík, B. Götzová) |
| NATURAL INFECTION OF TULIPS WITH TURNIP MOSAIC VIRUS AND ANOTHER POTYVIRUS ISOLATE DISTINCT FROM TULIP BREAKING VIRUS IN THE U.S.A. (J. Hammond, Gary A. Chastagner) |
| ELISA INDEXING OF ODONTOGLOSSUM RINGSPOT VIRUS USING A UREASE-ANTIBODY CONJUGATE AND ITS USE IN FIELD SURVEYS (P.R. Beetham, J.R. Moran) |
| COMPARISON OF ANTIGEN AND ANTIBODY-COATED ENZYME-LINKED IMMUNOSORBENT ASSAY PROCEDURES FOR THE DETECTION OF THREE ISOLATES OF PURIFIED APPLE MOSAIC VIRUS OR PRUNUS NECROTIC RINGSPOT VIRUS (S.-M. Wong, R.K. Horst) |
| COMPLEMENTARY NUCLEIC ACIDS AND ANTIBODIES IN PLANT VIRUS DIAGNOSIS (R. Koenig) |
| SENSITIVE AND SPECIFIC DETECTION OF TWO FILAMENTOUS VIRUSES FROM NERINES USING CLONED CDNA PROBES (G. Balasingam, N. Ellison, K.S. Milne, R.L.S. Forster) |
| DETECTION OF VIRUSES IN GLADIOLI CORMS (A. Stein, S. Levy, G. Loebenstein) |
| THE DETECTION OF DASHEEN MOSAIC VIRUS USING THE ENZYME-LINKED IMMUNOSORBENT ASSAY (ELISA) (B.C. Rodoni, J.R. Moran) |
| RECENT ASPECTS OF THE USE OF CYTOPATHOLOGY IN VIRUS IDENTIFICATION (D.-E. Lesemann) |
| IMMUNOCYTOCHEMICAL IDENTIFICATION OF CYMBIDIUM MOSAIC AND ODONTOGLOSSUM RINGSPOT VIRUSES IN ORCHID TISSUES (N.-J. Ko, F.W. Zettler, J.R. Edwardson) |
| INVESTIGATION OF THE ETIOLOGY AND CYTOLOGY OF CHRYSANTHEMUM SLOW DECLINE (M.M. Dienelt, R.H. Lawson) |
| CYTOPATHIC STRUCTURES ASSOCIATED WITH ROBINIA MOSAIC VIRUS, A STRAIN OF PEANUT STUNT VIRUS (Z. Štefanac, M. Wrischer, N. Bezic) |
| QUANTITATIVE USE OF THE ELECTRON MICROSCOPE DECORATION TECHNIQUE FOR PLANT VIRUS DIAGNOSTICS (R.G. Milne) |
| NEW POTENTIAL QUARANTINE PROBLEMS FOR ORNAMENTALS IN EUROPE (O. Lovisolo) |
| EPIDEMIOLOGY - ITS SCOPE AND VALUE (R.G. Garrett) |
| ECOLOGY OF VIRUSES IN ORNAMENTAL AND FOREST TREES (J.I. Cooper) |
| A STRAIN OF BEAN YELLOW MOSAIC VIRUS IS APHID-TRANSMITTED FROM ORCHID (J. Hammond, R.H. Lawson) |
| THE ROLE OF WEEDS IN THE EPIDEMIOLOGY OF GLADIOLUS VIRUSES AND MLO (V. Vicchi, M.G. Bellardi) |
| NATURALLY OCCURRING VIRUSES OF POKEWEED FOUND IN SOUTH CAROLINA (J. Xia, S.W. Scott, O.W. Barnett) |
| OCCURRENCE OF CAMELLIA LEAF YELLOW MOTTLE VIRUS (CLYMV) ON EAST ADRIATIC COAST (M. GAILHOFER, I. THALER, D. MILICIC) |
| PRODUCTION OF PLANTS FREE OF VIRUS AND PREVENTION OF REINFECTION (R.K. Horst) |
| RESISTANCE RESPONSES OF PLANTS TO VIRUS INFECTIONS (G. Loebenstein, A. Gera) |
| ERADICATION OF ORCHID VIRUSES BY CHEMOTHERAPY FROM IN-VITRO CULTURES OF CYMBIDIUM (J. ALBOUY, C. FLOUZAT, C. KUSIAK, M. TRONCHET) |
| PRODUCTION OF VIRUS-FREE DAHLIA BY: MERISTEM-CULTURE AND VIRUS DETECTION THROUGH CDNA PROBES AND ELISA (W. CAI, M. TRONCHET, N. LARROQUE, N. DORION, J. ALBOUY) |
| THE EFFECTS OF PRUNUS NECROTIC RINGSPOT VIRUS ON PRODUCTION AND QUALITY OF ROSE FLOWERS (J.R. Moran, J.D. Faragher, D.M. Baker) |
| EFECTS OF PRUNUS NECROTIC RINGSPOT VIRUS ON GRAFT UNION AND FLOWER QUALITY OF GLASSHOUSE GROWN ROSES IN ISRAEL (A. Stein, S. Levy, G. Loebenstein) |
| SYMPTOMATOLOGY AND OCCURRENCE OF APPLE MOSAIC AND PRUNUS NECROTIC RINGSPOT VIRUSES ON ROSE IN NEW YORK (S.-M. Wong, R.K. Horst, R.W. Langhans) |
| PRESENT STATUS OF THE STUDIES ON ORNAMENTAL PLANT VIRUS DISEASES IN BRAZIL (E.W. Kitajima) |
| NARCISSUS MOSAIC VIRUS IN LILY (M.G. Bellardi, F. Marani, A. Bertaccini) |
| CUCUMBER MOSAIC VIRUS IN LILIES IN ITALY (M.P. Benetti, L. Tomassoli) |
| DIFFERENCES IN PARTICLE STABILITY AND ELECTROPHORETIC BEHAVIOUR AMONG TOMATO ASPERMY VIRUS ISOLATES (M. Plazibat, Z. Štefanac) |
| FURTHER INFORMATION ON INFECTION OF IMPATIENS HOLSTII WITH HELENIUM VIRUS S (N. Pleše, Z. Eric, M. Krajacic) |
| SUSCEPTIBILITY OF SOME ORNAMENTAL PLANTS TO MELANDRIUM YELLOW FLECK VIRUS, A NEW MEMBER OF BROMOVIRUS GROUP (J. Horváth, E. Ladányi, M. Hollings) |
| VIRUS DAMAGE EVALUATION (O.W. Barnett) |
| NEW PERSPECTIVES FOR CONTROL OF PLANT VIRUS DISEASES OPENED BY BIOTECHNOLOGY (L. Vloten-Doting) |
| NEW ECONOMICALLY-IMPORTANT VIRUS AND VIRUS-LIKE DISEASES OF ORNAMENTAL PLANTS (A.A. Brunt) |
| DIAGNOSIS IN COMMERCIAL PRACTICE WITH SPECIAL REFERENCE TO ORNAMENTAL CROPS (A.F.L.M. Derks) |
| PRODUCTION AND TRADE OF HEALTHY PROPAGATING MATERIAL : A NEED FOR A QUALITY CONTROL SYSTEM (J.E.M. van Ruiten) |
| VIRUS SPREAD IN ORNAMENTAL CROPS AND ITS PRACTICAL CONSEQUENCES (A.F.L.M. Derks) |
