Abstract
The uppermost axillary buds of some cut-rose cultivars fail to grow following flower harvest, especially in the winter season. In Japan, of the 60 cultivars grown under cover for cut-rose production, cultivar ‘Blue Moon’ syn.Mainzer Fastnacht shows strong dormancy after harvest. The practice of bending the petiole of the uppermost leaf was not effective in breaking dormancy in ‘Blue Moon’. Smearing BA lanoline paste (0.25%) on to the cut surface 0.5 cm above the axillary bud completely broke bud dormancy and hastened growth. Four applications of BA, from early October to March, increased saleable flowers by 78% over the untreated control.
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