 | FOREWORD (W. Spethmann) |
| IN VITRO PROPAGATION OF RHODODENDRON (B.A. Briggs, S.M. McCulloch, L.A. Caton) |
| ROOTING AND ESTABLISHMENT OF RHODODENDRON MICROCUTTINGS (S.M. McCULLOCH, B.A. BRIGGS) |
| IN VITRO RAPID PROPAGATION OF RHODODENDRON CULTIVARS FROM CALLUS AND BUD CULTURES (K. Bojarczuk) |
| THE EFFECT OF BORON ON THE ROOTING OF RHODODENDRON MICROCUTTINGS IN VIVO UNDER HUMIDITY TENT (A. Šiftar) |
| LONG TERM GROWTH COMPARISON OF DIFFERENT PROPAGATION TECHNIQUES IN RHODODENDRON (GRAFTING; CUTTING; IN VITRO) (W. Spethmann) |
| HISTOLOGICAL ANALYSIS OF RHODODENDRON LEAVES DURING ACCLIMATIZATION OF IN VITRO PLANTS (S. Waldenmaier) |
| BREEDING OF LIME TOLERANT RHODODENRON ROOTSTOCKS (W. Preil, R. Ebbinghaus) |
| INFLUENCE OF BICARBONATE ON IRON DEFICIENCY CHLOROSIS IN RHODODENDRON (A. Chaanin, W. Preil) |
| REGULATION OF NITROGEN SUPPLY OF RHODODENDRON HYBRIDS (H.H. Witt) |
| INFLUENCE OF INCREASING AMOUNTS OF NITROGEN ON RHODODENDRON (D. Alt, H. Hinrichs, H. Kohstall) |
| NUTRIENT SUPPLY OF MICRO-PROPAGATED RHODODENDRON HYBRIDS UNDER GREENHOUSE CONDITIONS (H.H. Witt) |
| RAISED BOG PEAT AS THE BASIC MATERIAL FOR THE PRODUCTION OF RHODODENDRON AND AZALEAS - FORMATION, EXCAVATION, PROCESSING, SUBSTITUTES (G.K. Schmilewski, R. Härig) |
| PROBLEMS AND INVESTIGATIONS ON INDOOR AZALEAS RHODODENDRON SIMSII (J. HEURSEL) |
| ECONOMICAL ASPECTS OF THE BELGIAN AZALEA SECTOR FOR THE PERIOD 1980–1990 (A. Saverwyns) |
| GROWTH REGULATION OF LARGE-FLOWERED RHODODENDRONS (RHODODENDRON X CATAWBIENSE MICHX.) (M. MERTENS) |
| BIOLOGICAL CONTROL OF OTIORHYNCHUS SULCATUS F. BY USE OF ENTOMOPATHOGENIC NEMATODES OF THE GENUS HETERORHABDITIS (G.F. Backhaus) |
| BIOLOGICAL CONTROL OF OTIORHYNCHUS SULCATUS WITH METARHIZIUM ANISOPLIAE (K. STENZEL) |
| PHYTOPHTHORA CITRICOLA (SAWADA) - CAUSE OF AN IMPORTANT SHOOT ROT OF RHODODENDRON AND AZALEA (G.F. Backhaus) |
| RHODODENDRON POWDERY MILDEWS (S. Helfer) |
| POWDERY MILDEW PATHOGENS OF RHODODENDRON (D.M. Kenyon, G.R. Dixon, S. Helfer) |
| CYLINDROCLADIUM SCOPARIUM CAUSING WILT DISEASE IN RHODODENDRON AND AZALEA (G.F. Backhaus) |
| AZALEA - FLOWER BLIGHT, CAUSED BY OVULINIA AZALEAE WEISS (G.F. Backhaus) |
| MEASUREMENT OF FROST RESISTANCE IN RHODODENDRON-HYBRIDS (I. Wagner) |
| THE RHODODENDRON COLLECTION AT THE GÖTEBORG BOTANICAL GARDEN (B. Aldén) |
| CULTIVATION OF RHODODENDRONS IN A LARGE PRIVATE COLLECTION (P. Spoelberch) |
| THE EVALUATION OF RHODODENDRON HYBRIDS IN THE RHODODENDRON COLLECTION OF THE HORTICULTURAL RESEARCH STATION BAD ZWISCHENAHN (W. Schmalscheidt) |
| FLOWER CHARACTERS IN CULTIVARS OF EVERGREEN LARGE-FLOWERED RHODODENDRONS (K. Hieke) |
| COLLECTION OF RHODODENDRONS IN RUSSIA - RHODODENDRONS AS VALUABLE MEDICINAL PLANTS (M.S. ALEXANDROVA) |
