Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Effect of Bacterial Population from Rhizosphere of Various Foliage Plants on Removal of Indoor Volatile Organic Compounds

다양한 관엽식물의 근권부 박테리아 집단이 실내 휘발성 유기화합물질의 제거에 미치는 영향

  • Chun, Se-Chul (Department of Molecular Biotechnology, Konkuk University) ;
  • Yoo, Mung-Hwa (Department of Environmental Science, Konkuk University) ;
  • Moon, Young-Sook (Department of Molecular Biotechnology, Konkuk University) ;
  • Shin, Mi-Ho (Department of Molecular Biotechnology, Konkuk University) ;
  • Son, Ki-Cheol (Department of Environmental Science, Konkuk University) ;
  • Chung, Ill-Min (Department of Applied Biological Science, Konkuk University) ;
  • Kays, Stanley J. (The Plant Center, Department of Horticulture, University of Georgia)
  • 천세철 (건국대학교 분자생명공학과) ;
  • 류명화 (건국대학교 환경과학과) ;
  • 문영숙 (건국대학교 분자생명공학과) ;
  • 신미호 (건국대학교 분자생명공학과) ;
  • 손기철 (건국대학교 환경과학과) ;
  • 정일민 (건국대학교 응용생물과학과) ;
  • Received : 2009.09.08
  • Accepted : 2010.01.31
  • Published : 2010.06.30
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Abstract

Total bacterial populations were cultured from the Hydroball cultivation media in the rhizospheres of 9 different plants including $Hedera$ $helix$ L. and $Dracaena$ $deremensis$ cv. Warneckii Compacta, etc. These cultured bacterial populations were studied to test if the bacterial populations in the plant growing pots may play a role on removal of volatile organic compounds (VOCs) such as benzene and toluene in the air. To meet this objective, first, we tested the possibility of removal of VOCs by the cultured total bacteria alone. The residual rates of benzene by the inoculation of total bacterial populations from the different plant growth media were significantly different, ranging from 0.741-1.000 of $Spathiphyllum$ $wallisii$ 'Regal', $Pachira$ $aquatica$, $Ficus$ $elastica$, $Dieffenbachia$ sp. 'Marrianne' Hort., $Chamaedorea$ $elegans$, compared to the control with residual rate of 0.596 (LSD, $P$=0.05). This trend was also similar with toluene, depending on different plants. Based on these results, we inoculated the bacterial population cultured from $P.$ $aquatica$ into the plant-growing pots of $P.$ $aquatica$, $F.$ $elastica$, and $S.$ $podophyllum$ inside the chamber followed by the VOCs injection. The inoculated bacteria had significant effect on the removal of benzene and toluene, compared to the removal efficacy by the plants without inoculation, indicating that microbes in the rhizosphere could play a significant role on the removal of VOCs along with plants.

실내식물 9종의 근권부 하이드볼 배지에서 배양된 세균집단이 공기중 벤젠과 같은 휘발성 유기화합물의 제거효과에 미치는 영향이 조사되었다. 여러 식물 근권부의 배양토에서 배양된 세균 집단은 벤젠을 제거할 수 있었는데, $Spathiphyllum$ $wallisii$ Regel, $Pachira$ $aquatica$, $Ficus$ $elastica$, $Dieffenbachia$ sp. 'Marrianne' Hort., $Chamaedorea$ $elegans$ 식물들은 벤젠의 초기농도를 1.000으로 기준하였을 때, 세균 집단이 전혀 없는 배지의 대조구 초기 농도 대비 잔류율이 0.596이었으나 상기 언급한 식물들은 0.741-1.000으로서 벤젠의 농도를 현저히 감소시켰다(LSD, $P$=0.05). 이와 같은 경향은 식물의 종류에 따라 차이는 있었지만 톨루엔의 경우에도 비슷하게 나타났다. 이러한 결과를 바탕으로 $P.$ $aquatic$ 근권부의 배양토로부터 배양된 세균 집단을 $P.$ $aquatica$, $F.$ $elastica$, $S.$ $podophyllum$에 접종하였을 때 접종하지 않은 식물들에 비하여 벤젠과 톨루엔을 현저히 제거하는 효과가 나타나, 근권부의 미생물 집단을 이용하여 공기 중 휘발성 유기화합물(VOC)을 제거할 수 있음을 보여 주었다.

Keywords

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