2003 Volume 2 Issue 4 Pages 303-306
The effect of starting time of heating and night temperature during winter on the flowering of snapdragon (Antirrhinum majus. L.) cv. ‘Maryland Pink’ and ‘Light Pink Butterfly II’ which were seeded in October. The flowering was accelerated in ‘Maryland Pink’ by advancing the starting time of the heating at an identical night temperature. Cut flower quality of ‘Maryland Pink’ was best at a night temperature of 11 °C starting from the middle of November. Flowering was accelerated in ‘Light Pink Butterfly II’ by a night temperature of 16 °C starting from the middle of November. The flowering was accelerated on either cultivar by a higher night temperature setting. The plant height of ‘Maryland Pink’ and ‘Light Pink Butterfly II’ were higher when the plants were grown at low temperature.
