느타리버섯 갈반병에 대한 길항균의 선발 및 특성조사

Screening and Characterization of Antagonistic Strains Against Brown Blotch Causing Bacteria on Pleutrotus ostreatus

  • 이은관 (경희대학교 생명자원과학부 식품가공학과) ;
  • 유승오 (경희대학교 생명자원과학부 식품가공학과) ;
  • 조재선 (경희대학교 생명자원과학부 식품가공학과) ;
  • 전억한 (경희대학교 생명자원과학부 식품가공학과)
  • 발행 : 1999.04.01

초록

갈반병이 유발된 느티리버섯과 비섯 재배장 주변 토양에서 채집한 균주로부터 갈반병 원인균주 4개와 갈항균주 3개를 선발하였다- 선발된 균주를 API 2DE kit에 의해 동정한 결과 갈반병 원인 균주 P-24, P-28은 Pseudomonas putida로 P-27, P-33은 P.tolaasii로 동정되었으며, 길형균주 중 A-ll, A-20은 Pseudomonas fluorescence로 A-29는 Pseudοmonas sp.로 동정되었으며, 그 중 A-ll 균주가 버섯 균사 및 자실체에 해를 주지 않으면서 길항성이 우수한 균주로 선발되었다. 길항성은 갈반병 원인균 대 길항균의 농도비를 1:1로 처리하였을 때 길항성이 양호하였다.

Screening experiments were carried out in order to select bacteria causing brown blotch disease on the mushroom, Pleurotus ostreatus. Four bacteria causing brown blotch disease were isolated from Pleurotus ostreatus and soils around the mushroom farm. Three strains showing antagonism against brown blotch causing bacteria, A-11, A-20 and A-29 were also isolated through methods pitting test, cross checking and biochemical test, and identified as Pseudomonas fluorescence for A-11 and A-20, and Pseudomonas sp. for A-29, respectively. Colonial morphology test also showed that A-11 and A-29 were appeared as transparent gel with green color, whereas the colony of A-20 showed opaque gel with light green color.

키워드

참고문헌

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