The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Canola Plant Growth Promotion by a Selected Plant Growth Promoting-Rhizobacteria, Burkholderia pyrrocinia Strain 13-1 in the Cold Condition

고활성 근권생육촉진균주 Burkholderia pyrrocinia 13-1에 의한 저온조건에서의 유채생육촉진

  • Lee, Jae-Eun (Division of Agricultural Microbiology, National Academy of Agricultural Science, RDA) ;
  • Cho, Sang-Min (Division of Agricultural Microbiology, National Academy of Agricultural Science, RDA) ;
  • Cho, Young-Eun (Division of Agricultural Microbiology, National Academy of Agricultural Science, RDA) ;
  • Park, Kyung-Seok (Division of Agricultural Microbiology, National Academy of Agricultural Science, RDA)
  • 이재은 (농촌진흥청 국립농업과학원 농업미생물과) ;
  • 조상민 (농촌진흥청 국립농업과학원 농업미생물과) ;
  • 조영은 (농촌진흥청 국립농업과학원 농업미생물과) ;
  • 박경석 (농촌진흥청 국립농업과학원 농업미생물과)
  • Published : 2009.12.31
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Abstract

Plant growth-promoting rhizobacteria (PGPR) are beneficial native soil bacteria that colonize plant roots and result in increased plant growth. The objective of this study was to determine the plant growth promotion in canola plants by selected PGPR strain 13-1 under low temperature condition. The seed treatment of strain 13-1 was enhanced plant height and root elongation on canola plant at low temperature condition. This result determined that a selected strain of PGPR can enhance plant growth and root propagation under extremely low temperature conditions. Thus, this PGPR strain extends their role on plant growth promotion on canola until low temperature condition for practical applications.

유채 근권으로 부터 분리된 고활성 근권균 Burkholderia pyrrocinia 13-1는 유채의 생육을 촉진 시키며 특히 저온조건에서의 식물 생육이 우수하다. 이 균주의 유채 처리는 저온조건에서 뿌리의 발근을 좋게 하며 지상부 생육도 다른 대조 균주처리 보다 우수하다. 근권미생물이 가지는 유용 기능 중 식물의 영양 흡수와 병 저항성에 관여하는 시드로포어의 생성, 항균활성과 토양 중 불용화 인산인 칼슘포스페이트를 가용화시켜 식물의 흡수를 돕는 용해 능력이 우수하였다. 이와 같은 특성은 식물의 생육을 촉진시키는 근권세균의 활성기작으로 식물생육 촉진용으로 유채재배에 적용할 수 있을 것으로 기대된다.

Keywords

References

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