Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Biological Control of Soybean Anthracnose by Pseudomonas sp.

Pseudomonas sp.를 이용한 콩 탄저병의 생물학적 방제

  • Oh, Jeung-Haing (College of Bio-resources Science, Dankook Unversity) ;
  • Kim, Kyu-Hong (College of Bio-resources Science, Dankook Unversity)
  • 오정행 (단국대학교 생명자원과학대학) ;
  • 김규홍 (단국대학교 생명자원과학대학)
  • Published : 2003.09.01
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Abstract

Pseudomonas sp. antagonistic to Colletotrichum truncatum and C. gloesporioies was selected as a biological control agent for soybean anthracnose. Pseudomonas sp. inhibited the mycelial growth of pathogens effectively as the funhicides such as benomyl and fluazinam in vitro tests without any adverse effects on soybean. Seed treatment with Pseudomonas sp. increased emergence rate of soybean seeds significantly after inoculaton with C. truncatum. When the suspension of Pseudomonas sp. was sprayed on soybean plants, the control efficacy was not different from that of fungicides, benomyl and fluazinam two weeks after treatment, however the efficacy did not last long enough after three weeks.

콩 탄저병의 생물학적 방제를 위하여 병원균 Colletotrichum truncatum과 C. gloeosporioieds에 대한 길항세균 Pseudomonas sp.를 분리 동정하였다. Pseudomonas sp.의 균사생장 억제효과는 탄저병 살균제 benomyl, fluazinam과 비슷하였으며, 콩에 대한 병원성은 거의 없었다. Pseudomonas sp. 의 종자처리는 C. truncatum 을 접종한 콩 종자의 출현율을 현저히 증가시켰고, 경엽처리한 경우 잔효성은 낮았지만 처리 2주 후의 방제효과는 benomyl, fluazinam과 비슷하게 높았다.

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References

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