Abstract

During commercial cutting production of chrysanthemums, cutting quality in later generations declines as the stock plants age. Three stock plant management systems were investigated for their effect on cutting quality, by varying the number of axillary buds that could grow out and the number of leaves that remained on the plant. Quality parameters of the cuttings were: fresh and dry weight, percentage dry weight, number and area of the leaves, leaf area per leaf, leaf area ratio and diameter. In the control stock plants, where every leaf was associated with an axillary bud, cutting quality declined with stock plant age. However, that decline was less marked when, by bud removal, not every leaf was associated with an axillary bud.

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