| PREFACE (A.C. Cassells) |
| THE NATURAL HISTORY OF PLANT PATHOGENIC BACTERIA IN AND ON PLANTS (T.F. Preece) |
| IDENTIFICATION OF CULTIVABLE BACTERIA FROM PLANTS AND PLANT TISSUE CULTURES BY USE OF SIMPLE CLASSICAL METHODS (J.F. Bradbury) |
| IDENTIFICATION OF BACTERIA BY COMPUTER-ASSISTED FATTY ACID PROFILING (D.E. Stead) |
| TAXONOMY OF AGROBACTERIUM (B. Holmes) |
| STRATEGY FOR THE SELECTION OF ANTIBIOTICS FOR USE AGAINST COMMON BACTERIAL PATHOGENS AND ENDOPHYTES OF PLANTS (F.R. Falkiner) |
| CONTAMINATION OF PRIMARY CULTURES IN TROPICAL AREAS: THE CASE OF HEVEA BRASILIENSIS (F. Enjalric, M.P. Carron, L. Lardet) |
| DIFFICULTIES IN THE ESTABLISHMENT OF AXENIC IN VITRO CULTURES OF FIELD COLLECTED COFFEE AND CACAO GERMPLASM (K. Duhem, N. Le Mercier, Ph. Boxus) |
| SOME SYMPTOMS INDICATING THE PRESENCE OF BACTERIAL CONTAMINANTS IN PLANT TISSUE CULTURES (P.C. Debergh, A.M. Vanderschaeghe) |
| AN INVESTIGATION OF THE EFFECTS OF BACTERIAL CONTAMINANTS ON POTATO NODAL CULTURES (R.D. Long, T.F. Curtin, A.C. Cassells) |
| CHARACTERISATION OF MICRO-ORGANISMS ISOLATED FROM PLANTS DURING MICROPROPAGATION (I.V. Leggatt, W.M. Waites, C. Leifert, J. Nicholas) |
| PROGRESS WITH IDENTIFICATION METHODS FOR A FASTIDIOUS XYLEM-LIMITED BACTERIUM WHICH CAUSES SUMATRA DISEASE OF CLOVES IN INDONESIA (S.J. Roberts, D.J. Ambler) |
| IN VITRO CULTURE OF PRUNUS PERSICA VAR. LAEVIS GRAY (NECTARINE): DETECTION OF BACTERIAL CONTAMINANTS AND POSSIBILITY OF DECONTAMINATION BY MEANS OF ANTIBIOTICS (M. Scortichini, A. Chiariotti) |
| EXPERIENCE AND PROBLEMS WITH INFECTIONS IN TISSUE CULTURE OF GRAPEVINE (G. Reustle, M. Mann, C. Heintz) |
| MICROBIAL CONTAMINATION OF IN VITRO CULTURES OF APPLE ROOTSTOCKS M26 AND M9 (M.J. Hennerty, M.E. Upton, P.A. Furlong, D.J. James, D.P. Harris, R.A. Eaton) |
| PROBLEMS OF TRANSMISSION AND IDENTIFICATION OF BACTERIA IN TISSUE CULTURE PROPAGATED GERANIUMS (G. Reuther) |
| PROBLEMS POSED BY CULTIVABLE BACTERIAL ENDOPHYTES IN THE ESTABLISHMENT OF AXENIC CULTURES OF PELARGONIUM x DOMESTICUM: THE USE OF XANTHOMONAS PELARGONII-SPECIFIC ELISA, DNA PROBES AND CULTURE INDEXING IN THE SCREENING OF ANTIBIOTIC TREATED AND UNTREATED DONOR PLANTS (A.C. Cassells, B.F. Carney, E. McCarthy, A. McHugh, M.A. Harmey) |
| MITES AND THRIPS AS BACTERIAL AND FUNGAL VECTORS BETWEEN PLANT TISSUE CULTURES (J. Blake) |
| COPING WITH MICROBIAL CONTAMINANTS AND OTHER MATTERS IN A SMALL COMMERCIAL MICROPROPAGATION LABORATORY (R.A. de Fossard, H. de Fossard) |
| MODEL FOR MINIMISATION OF CONTAMINATION COSTS IN MICROPROPAGATION BY COMPUTER SIMULATION (P. Korhonen, T. Törmälä, J. Bansema) |
| ELIMINATION OF BACTERIAL CONTAMINANTS: A MATTER OF DETECTION AND TRANSPLANTING PROCEDURES (B.P.A.M. Kunneman, G.P.M. Faaij-Groenen) |
| CONTROL OF ACCIDENTAL CONTAMINATIONS DURING MASS PROPAGATION (Ph. Boxus, J.M. Terzi) |
| ELIMINATION OF CONTAMINATING MICRO-ORGANISMS FROM MERISTEM CULTURE OF APPLE ROOTSTOCK M26 (G.B. Poulsen) |
| THE TOXICITY TO PLANT TISSUE AND TO AGROBACTERIUM TUMEFACIENS OF SOME ANTIBIOTICS (F.T. Okkels, M.G. Pedersen) |
| ASEPTIC HANDLING OF POTATO MATERIAL DURING PROTOPLAST ISOLATION AND REGENERATION (S. Deimling, C. Möllers) |
| PLANT MOLLICUTES: PHLOEM-RESTRICTED AGENTS AND SURFACE CONTAMINANTS (J.M. Bové) |
| FINAL DISCUSSION AND CONCLUSIONS (F.O Ríordáin) |