Growth and Phytochemical Contents of Spinach as Affected by Different Type of Fluorescent Lamp in a Closed-type Plant Production System

Hyeon Min Kim; Hye Min Kim; Hye Ri Lee; Jae Eun Lee; Seung Jae Hwang

doi:10.12791/KSBEC.2017.26.4.386

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2017 Vol.26, Issue 4 Preview Page Next Page

Growth and Phytochemical Contents of Spinach as Affected by Different Type of Fluorescent Lamp in a Closed-type Plant Production System 밀폐형 식물 생산 시스템에서 형광등 종류에 따른 시금치의 생육 및 기능성물질 함량

30 November 2017. pp. 386-392

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Abstract

This study was conducted to examine the growth and phytochemical contents of spinach (Spinacia Oleracea L. ‘Sushiro’) as affected by different fluorescent lamps in a closed-type plant production system. Seeds were sown in a 128-cell plug tray filled in rockwool. The seedlings were transplanted into a DFT (deep floating technique) system with recycling nutrient solution (EC 1.5 dS·m^-1 and pH 6.5) in a closed-type plant production system. The seedlings were grown under 3 types of fluorescent lamp, #S (NBFHF 32S8EX-D, CH LIGHTING Co. Ltd., China), #O (FHF32SSEX-D, Osram Co. Ltd., Germany), and #P (FLR32SS EX-D, Philips Co. Ltd., The Netherlands) at 150 μmol·m^-2·s^-1 PPFD with a photoperiod of 14/10 (light/dark) hours. Plants were cultured under condition of 25 ± 1°C temperature and 60 ± 10% relative humidity after transplanting. Thirty plants per each treatment were cultivated for 6^th week after transplanting. And growth and phytochemical contents were measured at 3^rd and 6^th week. At the 3^rd week after transplanting, the parameter values of plant height and leaf width were higher in the #O than the others. However, fresh and dry weights of root were the greatest in the #P. In addition, total phenolic concentration was the greatest in the #P. At 6^th week after transplanting, the #O had the greatest growth of spinach in the plant height and fresh and dry weights of shoot. The total phenolic contents significantly increased in the #O and showed significantly difference. However, there was no significant difference all treatments in antioxidant activity. Therefore, these results suggest that the #O was suitable for the growth and phytochemical accumulation of spinach in a closed-type plant production system.

Keywords

antioxidant activity

deep floating technique

phenolic concentration

Spinacia Oleracea L.

본 연구는 밀폐형 식물생산 시스템에서 다양한 형광등 종류에 따른 시금치 ‘수시로’의 생육과 기능성물질 함량 에 미치는 영향을 구명하기 위해 수행되었다. 종자는 128구 플러그 트레이에 암면을 이용하여 파종되었다. 시 금치 묘는 재순환 담액식 수경재배 시스템을 이용하여 EC 1.5dS·m^-1, pH 6.5의 밀폐형 식물생산 시스템에 정식되 었다. 묘는 3가지 종류의 형광등 #S(NBFHF 32S8EX-D, CH LIGHTING Co. Ltd., China), #O( FHF32SSEX-D, Osram Co. Ltd., Germany), #P(FLR32SS EX-D, Philips Co. Ltd., The Netherlands)에 광도 150μmol·m^-2·s^-1 PPFD와 광주기 14/10 (명기/암기)으로 설정했다. 정식 후 재배환 경은 온도 25±1°C와 상대습도 60±10% 였다. 정식 후 6 주간 각 처리마다 30개체를 재배하였고, 생육 및 기능성 물질 함량을 3주째와 6주째 측정했다. 정식 후 3주째, #O 형광등에서 다른 처리구에 비해 초장과 엽폭이 유의 적으로 컸다. 그러나 지하부의 생체중과 건물중은 #P 형 광등에서 가장 높았다. 또한 총페놀 함량은 #P 형광등에 서 유의적으로 가장 높았다. 정식 후 6주째, #O 형광등 에서 초장, 지상부의 생체중 및 건물중에서 시금치의 생 육이 향상되는 효과를 보였다. 총페놀 함량도 #O 형광 등에서 다른 처리구에 비해 유의적으로 증가하였다. 그 러나 항산화 활성은 모든 처리구에서 유의적인 차이를 나타내지 않았다. 따라서 이러한 결과는 밀폐형 식물생 산 시스템에서 #O 형광등 처리가 시금치의 생육과 기능 성물질 함량 축적에 효과적인 것으로 나타났다.

키워드

항산화 활성

담액식 수경재배 기술

페놀 함량

Spinacia oleracea L.

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Information

Publisher :The Korean Society for Bio-Environment Control
Publisher(Ko) :(사)한국생물환경조절학회
Journal Title :Protected Horticulture and Plant Factory
Journal Title(Ko) :시설원예ㆍ식물공장
Volume : 26
No :4
Pages :386-392
Received Date : 2017-08-11
Revised Date : 2017-10-14
Accepted Date : 2017-10-14
DOI :https://doi.org/10.12791/KSBEC.2017.26.4.386

Journal of Bio-Environment Control ISSN:1229-4675(Print) 2765-3641(Online) 생물환경조절학회지

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