Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
권호 표지

Effects of Supplementary LED Lighting on Growth and Biochemical Parameters in Dieffenbachia amoena'Camella' and Ficus elastica 'Melany'

LED광원을 이용한 보광 처리가 Dieffenbachia amoena 'Melany'와 Ficus elastica 'Camella'의 생장과 생화학적 파라미터에 미치는 영향

Heo, Jeong-Wook;Lee, Yong-Beum;Kim, Dong-Eok;Chang, Yu-Seob;Chun, Chang-Hoo
허정욱;이용범;김동억;장유섭;전창후

  • Published : 20100200
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Abstract

To verify the possibility of LEDs as supplementary lighting sources for greenhouse production of foliage plants, growth and development, sugar content, starch content, and chlorophyll and carotenoid contents of potted Dieffenbachia amoena 'Camella' and Ficus elastica 'Melany' plants were investigated. The plant response varied by monochromatic or mixture of blue and red LEDs and by species. In both species, monochromatic red and supplementation with blue plus red LEDs increased plant height and number of unfolded leaves, while the blue plus red LED treatment promoted the uptake and utilization of nitrogen in Ficus plant. Supplementation with any LEDs did not cause any changes in contents of chlorophyll a and b and total carotenoids. Dry weight and starch content of Dieffenbachia and Ficus and the number of branches in Dieffenbachia increased by supplementation with mixture of blue and red LEDs without any negative effects compared with the control treatment. Results indicate that supplementation with mixture of blue and red LEDs, compared to other light treatments, is beneficial for promotion of growth and development without any negative effects on biochemical characteristics in Dieffenbachia and Ficus.

본 실험에서는 발광 다이오드(LED)가 관엽 식물 온실 재배시 보광 광원으로서 적합한지를 검증하기 위하여 청색 및 적색 단일 광질 및 청색과 적색의 혼합 광질 보광이 디펜바키아 '카멜라'와 피커스 '멜라니' 분화 식물의 생장 및 발육, 체내 당, 전분, 엽록체 및 카로티노이드 함량에 미치는 영향을 검토하였다. 식물 반응은 단일 광질 및 혼합 광질 등 처리 파장역과 조사 식물에 따라 달랐다. 두 조사 식물 모두에서 단일의 적색광과 청/적 혼합광 처리는 초장과 전개엽수를 증가시켰으며, 청/적 혼합광 처리는 피커스 식물체내 질소 흡수 및 이용을 증대시켰다. 단일의 적색 및 청+적 혼합광 처리는 디펜바키아의 카로티노이드 함량을 증가시켰으나 인도고무나무의 보광광질에 따른 영향이 나타나지 않았다. 인도고무나무의 건물중 및 체내 전분 함량 및 디펜바키아의 분지수는 청/적 혼합 광질 보광 처리구에서 증대되었다. 본 연구를 통하여 LED 광원은 관엽식물의 보광용 광원으로 적합하며 특히 청/적 혼합광질에 의한 보광처리는 식물체내 생장 및 성분변화 등에 부정적인 영향을 미치지 않으면서 인도고무나무와 디펜바키아의 생육을 촉진시킬 수 있는 광질임을 알 수 있었다.

Keywords

References

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