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자료유형
학술저널
저자정보
저널정보
한국환경과학회 한국환경과학회지 한국환경과학회지 제27권 제10호
발행연도
2018.10
수록면
821 - 829 (9page)

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This study was conducted to examine the influence of Light-Emitting Diode (LED) light quality in urban agricultural plant factories on the growth and development of Seolhyang strawberry daughter plants in order to improve the efficiency of daughter plant growth and urban agriculture. LED light quality by demonstrated that above-ground growth and development were greatest for daughter plant 2. Daughter plant 1 showed the next highest growth and development, followed by daughter plant 3. Among the different qualities of LED light, the stem was thickest and growth rate of leaves was highest for R + B III (LED quality: red 660 nm + blue 450 nm/photosynthetic photon flux density (PPFD): 241–243 μmol·m<sup>-2</sup>·s<sup>-1</sup>) and lowest for R (red 660 nm/115–117 μ mol·m<sup>-2</sup>·s<sup>-1</sup>). Plant height, leaf width, petiole length, and the leaf growth rate were highest for W (white fluorescent lamp/241–243 μ mol·m<sup>-2</sup>·s<sup>-1</sup>) and lowest for R + B Ⅰ (red 660 nm + blue 450 nm/80–82 μ㏖·m<sup>-2</sup>·s<sup>-1</sup>). For above-ground growth and development, as the plants surpassed the seedling age, mixed light (red + blue), rather than monochromatic light (red or blue), and higher PPFD values tended to increase development. Regarding the quality of the LED light, daughter plant 2 showed the highest chlorophyll content, followed by daughter plant 1, and daughter plant 3 showed the least chlorophyll content. When the wavelength was monochromatic, chlorophyll content increased, compared to that when PPFD values were increased. Mixed light vitality was highest in daughter plant 2, followed by 1, and 3, showed increased photosynthesis when PPFD values were high with mixed light, in contrast to the results observed for chlorophyll content.

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