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大豆科学  2009 

大豆根际促生菌Sneb207对不同种类线虫毒性的研究

DOI: 10.11861/j.issn.1000-9841.2009.04.0683, PP. 683-686

Keywords: 根际促生菌,巨大芽孢杆菌,大豆胞囊线虫,北方根结线虫,水稻干尖线虫,腐烂茎线虫

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Abstract:

从大豆根瘤中分离到1株根际促生菌Sneb207,经鉴定为巨大芽孢杆菌(Bacillusmegaterium)。室内测定结果表明:其发酵产物对豆苗生长促生效果显著,发酵液灭菌后仍具有促生活性,具有广泛的应用价值。用该菌发酵液测定了对各种线虫的作用,结果表明毒力作用具有差异,大小顺序分别为大豆胞囊线虫、北方根结线虫、水稻干尖线虫和腐烂茎线虫。不同浓度发酵液对大豆胞囊线虫均有较好的防治作用,与无菌水对照处理有显著差异。说明细菌菌株Sneb207是控制大豆胞囊线虫病且促进大豆生长的有效因子。

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