A Qualitative Baiting Technique for Selective Isolation and DNA Diagnosis of Rhizoctonia spp,Causal AGents of Rice Sheat Diseeases,from Soil
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- 松元 賢
- Institute of Tropical Agriculture,Kyushu University
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A baiting technique was evolved for selective isolation and DNA diagnosis of casual agents of rice sheath diseases by Rhizoctonia spp. From artifically inoculated and naturally infested soils using eleven plant stem segments and selective medium containing benomyl and metalaxyl. Rice, mat rush and wheat stem segments soaked in metalaxyl at 50μg/ml were successfully used to isolate R. solani AG 1, R. solani AG 2, R. oryzae-sativae and R. fumigate from artificially infested soils. Moreover, rice and wheat system segments soused in metalaxyl at 100μg/ml were successfully used to extract genomic DNA derived from all Rhizoctonia spp. Metalaxyl untreated stems were colonized in significantly higher numbers and contained in significantly higher concentration of DNA of these Rhizoctonia isolates than untreated stems. Untreated stems were also colonized isolates and extracted DNA derived from other common soil-inhabiting fungi.
収録刊行物
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- Journal of the Faculty of Agriculture, Kyushu University
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Journal of the Faculty of Agriculture, Kyushu University 48 (1/2), 13-20, 2003-10-01
九州大学大学院農学研究院
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詳細情報 詳細情報について
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- CRID
- 1390572174637261696
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- NII論文ID
- 110001800148
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- NII書誌ID
- AA00247166
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- DOI
- 10.5109/4521
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- HANDLE
- 2324/4521
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- ISSN
- 00236152
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
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