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KMID : 0903619990400050611
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Journal of the Korean Society for Horticultural Science
1999 Volume.40 No. 5 p.611 ~ p.614
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Effect of Photosynthetic Photon Flux on Growth and Flowering in Highland Culture of Phalaenopsis Hybrid
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이종원/Lee, Jong Won
이철희/백기엽/최관순/김태중/김주형/이희두/Lee, Cheol Hee/Paek, Kee Yoeup/Choi, Kwan Soon/Kim, Tae Joung/Kim, Ju Hyoung/Lee, Hee Doo
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Abstract
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In highland cultivation, flowering by different photosynthetic photon fluxs (PPFs) was as follows: Leaf area increased low PPFs (64 to 119 μ㏖·m^(-2)·s^(-1)) than high PPFs, (239 to 371 μ㏖·m^(-2)·s^(-1)). Flowering was accelerated at 123 to 210 μ㏖·m^(-2)·s^(-1) PPFs that were slightly higher levels than Phalaenopsis light saturation point (130 to 180 μ㏖·m^(-2)·s^(-1) PPF). High PPFs (239 to 371 μ㏖·m^(-2)·s^(-1)) increased inflorescence length and diameter, and the number of inflorescence nodes and flowers. On the other hand, low PPFs (64 to 119 μ㏖·m^(-2)·s^(-1)) decreased flower quality. Flowering period was also unequal at low PPFs.
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KEYWORD
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