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KMID : 0903619990400020248
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Journal of the Korean Society for Horticultural Science
1999 Volume.40 No. 2 p.248 ~ p.252
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Effect of Chilling and Growth Regulators in Seedling Stage on Flowering of Lilium formolongi
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이종원/Lee, Jong Won
이철희/백기엽/최관순/김태중/김주형/김학현/Lee, Cheol Hee/Paek, Kee Yoeup/Choi, Kwan Soon/Kim, Tae Joung/Kim, Ju Hyoung/Kim, Hak Hyoun
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Abstract
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To establish off-season production system, the effects of chilling and growth regulators on plant growth and yield of cut flowers were evaluated with Lilium formolongi ´Neosan No. 2´. Among growth regulators, 500 ㎎·L^(-1) GA₃ and 500 ㎎·L^(-1) GA₃ combined with 500 ㎎·L^(-1) BA were the most suitable for seedling growth. The length of flower stems were increased by 500 ㎎·L^(-1) GA₃ treatment or 500 ㎎·L^(-1) GA₃ combined with chilling, while the number of flowers per plant decreased by chilling regardless of planting times. Rates of non-flowering and blind were increased by late planting times and flower marketability was decreased. But these phenomena could be overcome by GA₃ and chilling treatment. The treatment of 500 ㎎·L^(-1) GA₃ and chilling greatly reduced non-flowering rate and improved the yields of marketable flowers.
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