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자료유형
학술저널
저자정보
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.49 No.2
발행연도
2008.4
수록면
72 - 77 (6page)

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초록· 키워드

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Night interruption (NI) is considered as an alternative method to heating for acceleration of flowering in Cyclamen persicum Mill. Seedlings of 'Metis Scarlet Red' cyclamen with 5-6 unfolded leaves were grown under three NI durations (0, 2, 4 h), two cyclic lightings (CL) (6'/54', 6'/24' on/off for 4 h) and two temperature regimes (16, 20℃) to determine their effects on flowering. Photoperiod of all treatments delivered by fluorescent lamps was 9 h and NI and CL treatments were provided by three-wave lamps during the middle of the dark period. Plants grown at 20℃ flowered at 53 days after treatment which was 12 days earlier than those grown at 16℃. NI and CL promoted flowering and plant growth in each temperature. Plants grown at 16℃ with all NI and CL treatments flowered at similar times and obtained a similar number of flower buds and leaves as those grown at 20℃ SD. There was no difference in the fresh and dry weights of both shoots and roots between 16℃with NI and 20℃SD. Five NI treatments under low temperature were relatively effective in inducing flowering in cyclamen. Therefore, NI and CL treatments could be recommended to promote the growth and flowering of cyclamen in order to save heating cost under low temperature regimes.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Literature Cited

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