Published in Scientific Papers. Series B, Horticulture, Vol. LXV, Issue 2
Written by Claudia-Daniela GRIGORAȘ, Florin TOMA
The durations of the light phase and that of the dark phase (photoperiod) varies with the season, so their succession as well as their development time influences the plant response. Therefore, physiological parameters such as: height of main stems, number of leaves after planting, leaf area (cm2), time to flowering, flowering time and the number of flowers, and diameter of buds and flowers (mm), may be studied in order to optimize the cut flower production for chrysanthemums grown in protected areas. Depending on the necessary environmental conditions, the floral induction and flowering of Chrysanthemum morifolium may be adjusted using camouflage (artificially shortening the length of the day by covering the plants). The purpose of this paper is to review the evolution of research on the behaviour of chrysanthemum plants exposed to a certain photoperiod.
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