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KMID : 0903619990400020231
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Journal of the Korean Society for Horticultural Science
1999 Volume.40 No. 2 p.231 ~ p.234
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Daylength Response and Regulation of Flowering by Artificial Lighting in Summer Flowering Chrysanthemum
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신학기/Shin, Hak Ki
고재영/박현주/최성렬/Ko, Jae Young/Park, Hyun Joo/Choi, Seong Roul
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Abstract
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The experiments were carried out to clarify the daylength responses of summer flowering cultivars in chrysanthemum (Dendranthema grandiflorum Kitamura). ´Chunilbeon´ and ´Chunkwang´, cultivars flowering in June under natural climate, initiated its flower buds, regardless of daylengths in range of 17-21 hours. ´Baegkwang´ and ´Joungwoon´, cultivars flowering in July, initiated only in natural condition (control), but not under the daylengths of 17-21 hours. It was found to be impossible to control flowering time of ´Chungkwang´ by night break, while it was possible to control the flower bud differtiation of ´Baegkwang´ by night break. Flowering time of ´Baegkwang´ could be delayed up to August or September.
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KEYWORD
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