 | OPENING ADDRESS (E. Strømme, T. Askvig) |
| AN IN VITRO TECHNIQUE FOR THE VEGETATIVE MULTIPLICATION OF CHIMAERAL PLANTS OF DRACAENA AND CORDYLINE (P. Debergh) |
| CLONAL PROPAGATION OF PHALAENOPSIS IN VITRO (W. Pieper, K. Zimmer) |
| METHODS AND PROBLEMS OF CLONAL PROPAGATION OF BROMELIADS IN VITRO (K. Zimmer, W. Pieper) |
| REGENERATION OF BEGONIA HIEMALIS IN VITRO (M. Appelgren) |
| INFLUENCE OF EXTERNAL FACTORS ON THE ROOTING OF LEAF-BUD CUTTINGS OF FICUS (J.V. Morgan, H.W. Lawlor) |
| NITROGEN AND POTASSIUM NUTRITION OF CHRYSANTHEMUM MOTHER PLANTS AND THEIR INFLUENCE UPON QUANTITY AND QUALITY OF CUTTINGS (R. Röber) |
| RESULTS OF PROPAGATION WITH LEAF CUTTINGS OF SAINTPAULIA IONANTHA (W.U.v. Hentig) |
| EFFECTS OF IRRADIATION OF THE MOTHERPLANTS ON ROOTING OF PELARGONIUM CUTTINGS (Jarle H. Nilsen) |
| ENVIRONMENTAL EFFECTS OF STOCK PLANTS ON ROOTING AND FURTHER GROWTH OF THE CUTTINGS OF CAMPANULA ISOPHYLLA MORETTI (R. Moe) |
| QUALITY IN ANTHURIUM ANDREANUM AND AECHMEA FASCIATA GROWN IN PEAT SUBSTRATES AS AFFECTED BY NITROGEN AND POTASSIUM NUTRITION (R. Arnold Bik) |
| THE USE OF PHOSPHORUS IN LIQUID FERTILISERS (A.C. Bunt) |
| UREA AS A NITROGEN SOURCE FOR POT PLANTS (A. Klougart) |
| RESULTS OF DIFFERENT METHODS OF FERTILIZATION OF SOME ORNAMENTALS GROWN IN POTS (E. Accati Garibaldi, L. Basoccu, W. Morino) |
| MECHANIZATION IN WATERING POTPLANTS (C.J. van der Post) |
| NET PHOTOSYNTHESIS AS AN INDICATOR OF PLANT RESPONSE TO ENVIRONMENTAL INFLUENCE (A. Andersen) |
| TEMPERATURE EFFECT ON SOME FOLIAGE PLANTS GROWN UNDER POOR LIGHT CONDITIONS (G. Sandved) |
| UNUSUAL EFFECTS OF NIGHT BREAK (K. Zimmer) |
| INFLUENCE OF LOWERING THE NIGHTTEMPERATURE ON THE PRODUCTION AND QUALITY OF 'BACCARA'-ROSES (G.A. van den Berg) |
| SUPPLEMENTARY LIGHTING AT THE ROSE CV 'SONIA' (C. Vonk Noordegraaf) |
| EFFECTS OF LIGHT AND GROWTH RETARDANTS ON DORMANCY IN GREENHOUSE AZALEAS (H. Pettersen) |
| CHEMICAL DISBUDDING OF CHRYSANTHEMUMS (Roy A. Larson) |
| GLORIOSA ROTHSCHILDIANA: FLOWER AND TUBER PRODUCTION (B. Carow) |
| USE OF PHOTOPERIOD IN THE GREENHOUSE PRODUCTION OF CHLOROPHYTUM WITH RUNNERS (P. Allen Hammer) |
| PHOTOREGULATED DICENTRA SPECTABILIS (L) LEM. AS A POTENTIAL POTTED PLANT (T.C. Weiler, L.C. Lopes) |
| CONTROL OF FLOWER INITIATION AND DEVELOPMENT OF STATICE (LIMONIUM SINUATUM) BY TEMPERATURE AND DAYLENGTH (R. Shillo) |
| TEMPERATURE EFFECTS ON POINSETTIA (EUPHORBIA PULCHERRIMA WILLD.) UNDER LONG DAY CONDITIONS (Hans R. Gislerød, B. Litlere) |
| ENVIRONMENTAL AND CHEMICAL CONTROL OF GROWTH AND FLOWERING OF CYCLAMEN PERSICUM, MILL (R.E. Widmer) |
| PLANNING OF PRODUCTION - TIMING AND SPACING FOR YEAR-ROUND PRODUCTION OF POTPLANTS (O. Voigt Christensen) |
| TREATMENTS TO IMPROVE WATER BALANCE OF CUT FLOWERS (A. H. Halevy) |
| OPENING FLOWER BUDS AFTER STORAGE (Anton M. Kofranek) |
| THE REGULATION OF GROWTH AND FLOWERING IN CALCEOLARIA X SPECIOSA LILJA (J. Johansson) |
| A COMPARATIVE STUDY BETWEEN PEAT, PINE LEAF MOULD AND BARK COMPOST AS A SUBSTRATE FOR POTPLANTS (O. Verdonck, I. Cappaert, M. De Boodt) |
| CLOSING ADDRESS (P. Roy A. Larson) |
