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ISHS Acta Horticulturae 264: II International Protea Research Symposium

EFFECT OF TEMPERATURE, DAYLENGTH AND GROWTH REGULATORS ON FLOWERING IN PROTEA, TELOPEA AND LEUCOSPERMUM

Authors:   S.A. Dupee, P.B. Goodwin
Abstract:
Flowering of 27 clonal plants of Protea neriifolia 'Salmon Pink' was recorded at each of four Protea plantations in southeastern Australia. Significant differences have been found in both period of flowering and numbers of blooms. Flowering of Telopea speciosissima was recorded on tagged plants at five field sites. A warm winter advanced and enhanced flowering more so in cooler areas. Treatments with gibberellic acid and cytokinins applied in July promoted early flowering in Leucospermum cordifolium. Disbudding delayed flowering by two to three weeks.
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