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논문 기본 정보

자료유형
학술대회자료
저자정보
Hyunseung Hwang (National Institute of Horticultural and Herbal Science) Sewoong An (Korea National College of Agriculture and Fisheries) Minh Duy Pham (Seoul National University) Meiyan Cui (Seoul National University) Hyein Lee (Seoul National University) Byungkwan Lee (Seoul National University) Jeesang Myung (Seoul National University) Jaewook Shin (Seoul National University) Changhoo Chun (Seoul National University)
저널정보
한국원예학회 한국원예학회 학술발표요지 원예과학기술지 제39권 별호Ⅱ [초록집]
발행연도
2021.10
수록면
47 - 47 (1page)

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Transplant production in plant factories has increased to overcome unfavorable environments, including high temperatures in summer and a lack of sunlight in winter. To successfully apply plant factory using artificial light (PFAL) for the production of high-quality grafted transplants of fruit vegetables should establish optimal environmental conditions. The effects of environmental factors, such as light intensity, light quality, photoperiod, and temperature, on plants have been studied individually to control plant growth in a closed cultivation system. However, a few studies have investigated the application of more economical white light-emitting diodes (WLEDs) and the combined effects of environmental factors on plant growth and morphology changes. In chapter one, lighting systems using WLEDs were established, and the effects of warm and cool WLEDs at various ratios on the growth of cucumber, tomato, and watermelon seedlings that would be used as scions and root stocks for grafted transplant production were examined. Four WLEDs were specifically manufactured for this study by adjusting the numbers of installed warm- and cool-white light chips: W1C0 (only warm-white light chips), W3C1 (warm-:cool-white light chips = 3:1), W5C2 (warm-:cool-white light chips = 5:2), and W1C1 (warm-:cool-white light chips = 1:1). The seedlings cultivated under treatment W1C1 had the shortest hypocotyls among the three tested vegetables. The hypocotyls of scions and rootstocks of tomato and watermelon were shortened in the order of W1C0, W3C1, W5C2, and W1C1, that is, in the same order with an increased proportion of cool-white light. The stem diameters were not significantly different except in tomato scions and watermelon rootstocks. In chapter two, the growth and morphology of tomato, red pepper, cucumber, gourd, watermelon, and bottle gourd seedlings that would be used as scions and/or root stocks for grafted transplant production were examined under different supplemental far-red (FR)-enriched WLED lights. The specifically manufactured WLED lighting fixtures consisted of different numbers of cool-white and FR light chips adjusted at ratios of 5:0, 5:1, 5:2, and 5:3. ... 전체 초록 보기

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