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자료유형
학술저널
저자정보
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.47 No.6
발행연도
2006.12
수록면
353 - 358 (6page)

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This study was carried out to examine the effect of photosynthetic photon flux (PPF) and day length on the growth and flowering of Cyclamen persicum. ‘Metis Scarlet Red' cyclamen seedlings with six fully unfolded leaves were exposed to short day (SD, 8 h) or long day (LD, 16 h) condition combined with five different PPF levels (50, 100, 150, 200, and 300 μ㏖ㆍm?¹ㆍs?¹) in a growth chamber maintained at 24/l4℃ (day/night). Most growth characteristics including plant height, leaf and flower number, leaf area, tuber size, fresh and dry weights of above-ground tissues, roots, and tuber were promoted under LD treatment, when evaluated at 16 weeks after the treatment. Higher numbers of leaves and flowers were produced under LD than under SD condition. LD advanced flowering by 4 to 42 days depending on PPF compared with SD. High PPF (200 and 300 μ㏖ㆍm?¹ㆍs?¹) also promoted most growth characteristics including leaf and flower number, leaf area, tuber size, fresh and dry weights of above-ground tissues, roots, and tuber at 16 weeks after the treatment. As PPF decreased, the plant became taller, but its growth stopped at the lowest PPF. Highest PPF advanced flowering by 16 to 46 days depending on day length compared with lowest PPF. In conclusion, LD and high PPF treatments are required to promote growth and flower initiation and development of cyclamen, which is assumed to be quantitative LD plant in this experiment.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Acknowledgement
Literature Cited

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