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一株链霉菌对猕猴桃溃疡病的防效

Northern Horticulture(2017)

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Abstract
以猕猴桃溃疡病菌为试菌,采用液体共培养法和含菌抑菌圈法,研究了链霉菌SY-L12对猕猴桃溃疡病菌的生长抑制作用,并测定链霉菌发酵液对猕猴桃溃疡病的盆栽防效.结果表明:链霉菌SY-L12在培养24 h后其发酵液原液对病原菌的生长抑制率达94.0%,在28℃、150 rmin-1培养8~9 d条件下最利于活性物质的生产,发酵产物对猕猴桃溃疡病的盆栽防效为85.4%,优于氢氧化铜对照药剂.表明链霉菌SY-L12能够有效抑制猕猴桃溃疡病菌生长,作为生物农药具有开发应用前景.
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