Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)
- Volume 23 Issue 2
- /
- Pages.152-159
- /
- 1990
- /
- 0367-6315(pISSN)
- /
- 2288-2162(eISSN)
Studies on the fluorescent Pseudomoηas isolated from the wheat rhizosphere
소맥근권(小麥根圈)에서 분리(分離)한 형광성(螢光性) Pseudomonas spp. 에 관(關)한 연구(硏究)
- Lee, Myung-Chol (Department of Agricultural Chemistry, Collage of Agriculture, Chonnam National University) ;
- Kim, Yong-Woong (Department of Agricultural Chemistry, Collage of Agriculture, Chonnam National University) ;
- Kim, Kwang-Sik (Department of Agricultural Chemistry, Collage of Agriculture, Chonnam National University)
- Published : 1990.06.23
Abstract
Four active strains, producing siderophore and antagonizing to soil plant disease fungi, were isolated and identified from the wheat rhizosphere to reduce the injurious effects of continuous cropping and study on the biological control. The obtained results were summerized as follow. 1. Four strains of fluorescent Pseudomonas were isolated from the wheat rhizosphere and identified as Pseudomonas fluorescens Biotype A(Ps-1,2,5) and Biotype B(Ps-3) That strains inhibitied growth of R. solani, F.oxysperum and F. solani in vitro 2. Optical density of pigment was maximum at 410nm. 3. Siderophore production by identified strains was decreased with addition of
밀의 근권(根圈)에서 병원성(病原性) 사상균(絲狀菌)에 대해 길항성(拮抗性)이 높은 균주(菌株)를 분리(分離), 동정(同定)하여 연작장해(連作障害)의 피해경감과 생물방제(生物防除)의 기초자료(基礎資料)를 삼고자 그 균이 생성(生成)하는 siderophore에 의한 사상균(絲狀菌)의 생육(生育) 저해력(沮害力)을 조사한 결과(結果)를 요약(要約)하면 다음과 같다. 1. 밀의 근권(根圈)에서 형광성(螢光性) 세균(細菌)을 선별하여 R. solani, F. oxysperum, F. solani에 대한 생육저해(生育沮害)가 큰 (10mm이상) 균주(菌株)를 P. fluerescens Biovar I(Ps-1, Ps-2, Ps-5)과 Biovar II(Ps-3)로 동정(同定)되었다. 2. 선발균주(選拔菌株)가 생성(生成)하는 색소(色素)는 green-yellow 로 410nm에서 최대의 흡광도(吸光度)를 나타내었다. 3. Siderophore는
Keywords