Year Round Cultivation of Garden Chrysanthemum (Chrysanthemum morifolium Ramat.) through Photoperiodic Response

摘要

Chrysanthemum is a short day leading commercial flower. It develops flower buds when days are less than 12 hours long and the blooming period is short under traditional cultural method. For commercial floriculture programmed blooming is necessary for year round availability of flowers. Extensive work has been done to categorize the leading varieties into their response group and their sensitivity to photoperiodism for year round blooming. Results have tremendous commercial importance.