Abstract
Abstract Inflorescence development and fruit set of ‘Burford’ holly was rapid at a day/night temperature of 26°/22°C and progressively slower at 22°/18° and 18°/14°. The number of flowers to set fruit, however, was increased at lower temperatures for both long photoperiod (LD = 9 hours + 3 hours dark interruption) and short photoperiod (SD = 9 hours). At 22°/18°, SD increased fruit set over LD. No significant temperature-photoperiod interaction was observed. A greater number of vegetative shoots developed as temperature increased and mean shoot length was correlated with the number of flowers to set fruit.
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