Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
권호 표지
DOI QR코드

DOI QR Code

Growth and Phytochemical Contents of Ice Plant as Affected by Light Quality in a Closed-type Plant Production System

완전제어형 식물생산시스템에서 광질에 따른 아이스플랜트의 생육과 기능성물질 함량

  • Kim, Young Jin (Division of Applied Life Science, Graduate School of Gyeongsang National University) ;
  • Kim, Hye Min (Division of Applied Life Science, Graduate School of Gyeongsang National University) ;
  • Hwang, Seung Jae (Division of Applied Life Science, Graduate School of Gyeongsang National University)
  • 김영진 (경상대학교 대학원 응용생명과학부) ;
  • 김혜민 (경상대학교 대학원 응용생명과학부) ;
  • 황승재 (경상대학교 대학원 응용생명과학부)
  • Received : 2016.05.06
  • Accepted : 2016.08.24
  • Published : 2016.12.30
Download PDF
⟨ Previous Next ⟩

Abstract

A study was conducted to examine the effects of light quality on the growth and phytochemical contents of ice plant in a closed-type plant production system. Seeds were sown in a 128-cell plug tray using rockwool. The seedlings were then transplanted into a deep floating technique system with recirculating nutrient solution (EC $1.5dS{\cdot}m^{-1}$, pH 6.5) in a closed-type plant production system. The nutrient solution was supplied at two weeks after transplanting with 2.0 mM NaCl concentration in all treatments for the development of the bladder cells. The three light sources with different light qualities used were as followed; FL (fluorescent lamps), combined RW LED (red:white = 7:3), and combined RBW LED (red:blue:white = 8:1:1) at $150{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$ PPFD with a photoperiod of 14/10 hours (light/dark). The results showed that the FL treatment had the greatest growth enhancement effects on the leaf area and the fresh and dry weights of the shoots and roots. The SPAD values were significantly higher under the FL and RBW LED treatments, at 29.8 and 30.6, respectively. No significant difference was observed in salinity under all treatments. Chlorophyll fluorescence was significantly higher under the FL treatment. The total phenol content and antioxidant activity were the highest under the RBW LED treatment. The total flavonoid content was significantly higher under the RBW LED and FL treatments. Hence, the results indicate that the growth of ice plant was maximized under the FL treatment. The phytochemical contents were maximized under the RBW LED treatment.

본 연구는 밀폐형 식물생산시스템에서 아이스플랜트의 생육과 기능성물질에 따른 광질의 효과를 구명하고자 수행하였다. 아이스플랜트 종자를 128구 플러그 트레이에 암면을 이용하여 파종하였고, 묘는 밀폐형 식물생산시스템에서 담액식 수경재배를 이용하여 정식하고 재배하였다(EC $1.5dS{\cdot}m^{-1}$, pH 6.5). 정식 후 2주째부터 아이스플랜트의 블러더 세포 발달을 위해 2mM의 염화나트륨(NaCl)을 첨가하여 공급하였다. 실험에 이용된 다른 광질을 가진 세 개의 인공광원으로는 형광등과 RW LED, RBW LED를 사용하였다. 이때 광주기는 14/10(명기/암기), 광도는 $150{\mu}mol{\cdot}m^{-2}{\cdot}s^{-1}$ PPFD로 설정했다. 결과적으로 엽면적, 지상부와 지하부의 생체중과 건물중은 형광등 처리에서 아이스플랜트의 생육 증진에 가장 효과적이었다. SPAD 값은 형광등과 RBW LED 처리에서 각각 29.8과 30.6으로 높은 값을 나타냈다. 염도는 모든 처리구에서 유의적인 차이가 없었다. 엽록소 형광은 형광등 처리에서 유의적으로 가장 높았다. 총페놀함량과 항산화능은 RBW LED 처리에서 높은 값을 나타냈다. 총플라보노이드 함량은 형광등과 RBW LED 처리에서 유의적으로 높았다. 따라서, 본 결과는 형광등 처리에서 아이스 플랜트의 생육이 가장 효과적인 것으로 나타났다. 반면에 기능성물질은R BW LED 처리에서 가장 효과적이었다.

Keywords

References

  1. Abinaya M, Prabhakaran S, Nur H, Ko CH, Jeong BR (2015) Blue LED light enhances growth, phytochemical contents, and antioxidant enzyme activities of Rehmannia glutinosa in vitro. Hortic Environ Biotechnol 56:105-113. doi: 10.1007/s13580-015-0114-1
  2. Agarie S, Kawaguchi A, Kodera A, Sunagawa H, Kojima H, Nose A, Nakahara T (2009) Potential of the common ice plant, Mesembryanthemum crystallinum as a new high-functional food as evaluated by polyol accumulation. Plant Prod Sci 12:37-46. doi: 10.1626/pps.12.37
  3. Baker NR, Rosenqvist E (2004) Applications of chlorophyll fluorescence can improve crop production strategies: an examination of future possibilities. J Exp Bot 55:1607-1621. doi: 10.1093/jxb/erh196
  4. Dixon RA, Paiva NL (1995) Stress-induced phenylpropanoid metabolism. Plant Cell 7:1085-1097. doi: 10.1105/tpc.7.7.1085
  5. Heo JW, Kim DE, Han KS, Kim SJ (2013) Effect of light-quality control on growth of Ledebouriella seseloides grown in plant factory of an artificial light type. Kor J Environ Agric 32:193-200. doi: 10.5338/KJEA.2013.32.3.193
  6. Johkan M, Shoji K, Goto F, Hashida T, Yoshihara T (2012) Effect of green light wavelength and intensity on photomorphogenesis and photosynthesis in Lactuca sativa . Environ Expt Bot 75:128-133. doi: 10.1016/j.envexpbot.2011.08.010
  7. Kim DE, Lee HJ, Kang DH, Lee GI, Kim YH (2013) Effects of artificial light sources on the photosynthesis, growth and phytochemical contents of butterhead lettuce (Lactuca sativa L.) in the plant factory. Protected Hortic Plant Fac 22:392-399. doi: 10.12791/KSBEC.2013.22.4.392
  8. Kim HM, Kang JH, Jeong BR, Hwang SJ (2016) Light quality and photoperiod affect growth of sowthistle (Ixeris dentate Nakai) in a closed-type plant production system. Kor J Hortic Sci Technol 34:67-76
  9. Kim HH, Goins GD, Wheeler RM, Sager JC (2004) Green-light supplementation for enhanced lettuce growth under red and blue lightemitting diodes. HortScience 39:1617-1622
  10. Kozai T, Koto H, Nakayama C, Nozue M, Nishina H, Taniguchi A, Takachuzi M, Murase H, Sugimoto K, et al (2011) Cultivation of ice plant. In SY Nam, CH So, GH Cho, eds. Industrial of agriculture. RGB Press, Seoul, Korea, pp 135-143
  11. Kumaran A, Karunakaran J (2007) In vitro antioxidant activities of methanol extracts of five Phyllanthus species from India. Food Sci Technol 40:344-352. doi: 10.1016/j.lwt.2005.09.011
  12. Lee JS, Kim YH (2014) Growth and anthocyanins of lettuce grown under red of blue light-emitting diodes with distinct peak wavelength. Kor J Hortic Sci Technol 32:330-339. doi: 10.7235/hort.2014.13152
  13. Lee SY, Choi HD, Yu SN, Kim SH, Park SK, Ahn SC (2015) Biological activities of Mesembryanthemum crystallinum (ice plant) Extract. J Life Sci 25:638-645. doi: 10.5352/JLS.2015.25.6.638
  14. Lin KH, Huang MY, Huang WD, Hsu MH, Yang ZW, Yang CM (2013) The effects of red, blue, and white light-emitting diodes on the growth, development, and edible quality of hydroponically grown lettuce (Lactuca sativa L. var. capitata). Sci Hortic 150:86-91. doi: 10.1016/j.scienta.2012.10.002
  15. Matsuda R, Yamano T, Murakami K, Fujiwara K (2016) Effects of spectral distribution and photosynthetic photon flux density for overnight LED light irradiation on tomato seedling growth and leaf injury. Sci Hortic 198:363-369. doi: 10.1016/j.scienta.2015.11.045
  16. Prieto P, Pineda M, Aguilar M (1999) Spectrophotometric quantitation of antioxidant capacity through the formation of a phosphomolybdenum complex: Specific application to the determination of vitamin E. Anal Biochem 269:337-341. doi: 10.1006/abio.1999.4019
  17. Son KH, Park JH, Kim D, Oh MM (2012) Leaf shape index, growth, and phytochemicals in two leaf lettuce cultivars grown under monochromatic light-emitting diodes. Kor J Hortic Sci Technol 30:664-672. doi: 10.7235/hort.2012.12063
  18. Takatsuji M (2008) Definition and meaning of the plant factory. In SW Kang, JP Baek, SG Seo, KW Park, YB Lee, SH Kim, eds, Plant factory. World Science, Seoul, Korea, pp 8-13
  19. Terashima I, Fujita T, Inoue T, Chow WS, Oguchi R (2009) Green light drives leaf photosynthesis more efficiently than red light in strong wihte light: revisiting the enigmatic question of why leaves are green. Plant Cell Physiol 50:684-697. doi: 10.1093/pcp/pcp034
  20. Um YC, Jang YA, Lee JG, Kim SY, Cheong SR, Oh SS, Cha SH, Hong SC (2009) Effects of selective light sources on seedling quality of tomato and cucumber in closed nursery system. Protected Hortic Plant Fac 18:370-376
  21. Um YC, Oh SS, Lee JG, Kim SY, Jang YA (2010) The development of container-type plant factory and growth of leafy vegetables as affected by different light sources. Protected Hortic Plant Fac 19:333-342
  22. Wang H, Gu M, Cui J, Shi K, Zhou Y, Yu J (2009) Effects of light quality on $CO_2$ assimilation, chlorophyll-fluorescence quenching, expression of Calvin cycle genes and carbohydrate accumulation in Cucumis sativus. J Photochemistry and Photobiology B: Biol 96:30-37. doi: 10.1016/j.jphotobiol.2009.03.010
  23. Wu MC, Hou CY, Jiang CM, Wang YT, Wang CY, Chen HH, Chang HM (2007) A novel approach of LED light radiation improves the antioxidant activity of pea seedlings. Food Chem 101:1753-1758. doi: 10.1016/j.foodchem.2006.02.010
  24. Yeh N, Chung JP (2009) High-brightness LEDs-energy efficient lighting sources and their potential in indoor plant cultivation. Renewable and Sustainable Energy Rev 13:2175-2180. doi: 10.1016/j.rser.2009.01.027
  25. Yu L, Haley S, Perret J, Harris M, Wilson J, Qian M (2002) Free radical scavenging properties of wheat extracts. J Agri Food Chem 50:1619-1624. doi: 10.1021/jf010964p