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자료유형
학술저널
저자정보
Kyung-Hwan Yeo Yong-Beom Lee
저널정보
한국원예학회 HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY HORTICULTURE ENVIRONMENT and BIOTECHNOLOGY Vol.49 No.5
발행연도
2008.10
수록면
305 - 313 (9page)

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The design of an industrial crop production system, such as a plant factory should optimize plant spacing, which should closely match the natural growth rate. This study was conducted to analyze the variation in growth and yield of single-node cutting (SNC) roses ‘Red Velvet’ and ‘Vital’ as influenced by plant density in a factory-type rose production system. The plants were grown at 7.5 and 10 cm between-row plant spacings and at three within-row plant spacings: 133 plants/㎡ (7.5×10 ㎝), 107 plants/㎡ (7.5×12.5 ㎝), 89 plants/㎡ (7.5×15 ㎝), 80 plants/㎡ (10×12.5 ㎝), 67 plants/㎡ (10×15 ㎝), and 57 plants/㎡ (10×17.5 ㎝). Leaf area (LA), crop growth rate (CGR), and specific leaf area (SLA) were calculated by using shoot fresh weight, shoot dry weight, and leaf area. Plant density had a significant effect on the quality of SNC roses. Flower shoot length, stem diameter and number of petals decreased as plant density increased. In addition, fresh and dry weight per plant decreased with increasing plant density, while yield per area increased except for the plant density of 133 plants/㎡ (7.5×10 ㎝) and 107 plants/㎡ (7.5×12.5 ㎝). When the growth characteristics were analyzed of ‘Red Velvet’ and ‘Vital’, the highest productivity was shown in the treatment of 89 plants/㎡ (7.5×15 ㎝). The most effective and optimal range of plant density for the highest marketable yield was indicated as 107 plants/㎡ (7.5×12.5 ㎝) ~ 89 plants/㎡ (7.5×15 ㎝) for actual growing in a plant factory system.

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Abstract
Introduction
Materials and Methods
Results and Discussion
Literature Cited

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