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양액 조성이 식물공장 재배 어린잎채소의 생육 및 품질에 미치는 영향
Growth and Quality of Baby Leaf Vegetables Hydroponically Grown in Plant Factory as Affected by Composition of Nutrient Solution

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Authors
곽유리나; 김동섭; 전창후
Issue Date
2015-12
Publisher
한국생물환경조절학회
Citation
시설원예·식물공장, vol.24 no.4, pp. 271-274
Keywords
Japan EnshiKorea Wonshileaf colortotal phenolic contentYamazaki for lettuce
Abstract
The objective of this study was to investigate the effects of composition of nutrient solution on the growth and quality of baby leaf vegetables (tat soi, romaine lettuce, beet, and red radish) hydroponically cultivated in plant factory. The seeds of four vegetable crops were sown in urethane sponges and cultivated for 14 days in a plant factory. Light intensity and photoperiod were 110μmol·m-2·s-1 and 16 h, respectively; and air temperature in photo/darkperiod was maintained at 25/20oC. Tap water was used for irrigation for 7 days after sowing, and then plants were irrigated for 7 days using tap water and the nutrient solutions of Korea Wonshi, Japan Enshi, and Yamazaki for lettuce. At 14 days after sowing, the fresh weight of tah soi was highest in the nutrient solution of Yamazaki for lettuce, and there were no significant differences among nutrient solutions in beet and red radish. When we compared leaf color using Hunter’s a value, the nutrient solution of Korea Wonshi and Japan Enshi increased green color in baby leaf vegetables, while the nutrient solution of Yamazaki for lettuce increased red color. Total phenolic content of romaine lettuce was highest in the nutrient solution of Korea Wonshi, but tat soi, beet, and red radish showed no significant differences among nutrient solutions in total phenolic contents. From these results, we suggest that using the nutrient solution of Korea Wonshi can enhance the growth and quality of romaine lettuce and the nutrient solution of Yamazaki for lettuce is appropriate for enhancing the growth and red color of beet and red radish in plant factory.
Language
Korean
URI
http://hdl.handle.net/10371/95454
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College of Agriculture and Life Sciences (농업생명과학대학)Dept. of Plant Science (식물생산과학부)Journal Papers (저널논문_식물생산과학부)
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