3株生防真菌发酵液对大豆孢囊线虫的防治效果
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公益性行业科研专项(201503114); 国家“973”计划(2013CB127502)


Control efficiency of three fungal strains’ fermentation broth on soybean cyst nematode (Heterodera glycines)
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    摘要:

    为了获得更多的防治大豆孢囊线虫的微生物资源,在室内对3株生防真菌黑曲霉NBC001、草酸青霉NBC008和草酸青霉NBC012进行大豆孢囊线虫的毒力测定和盆栽防治效果测定。结果表明,NBC001、NBC008和NBC012发酵液均有杀线虫活性,2倍稀释液处理,线虫校正死亡率约90%,孵化抑制率在68% 以上。盆栽试验结果发现,NBC001、NBC008和NBC012发酵原液能使孢囊数分别降低50.07%、59.88%和57.45%;NBC001和NBC012发酵液使株高分别增加11.3%和18.6%,NBC008使大豆根长增加26.7%,表明菌株NBC001、NBC008和NBC012可用来防治大豆孢囊线虫。

    Abstract:

    In order to obtain more microorganism resources to control soybean cyst nematodes (SCN),control efficiency of three fungal strains including Aspergillus niger NBC001, Penicillium oxalicum NBC008 and P. oxalicum NBC012 on soybean cyst nematodes were evaluated. In vivo analyses showed that all three fungi fermentation were lethal to nematode juveniles. The revised mortality of 2 times dilutions against SCN juveniles was about 90%,and the inhibition of egg hatchability was>68%. The pot experiment showed that cyst number treated with NBC001,NBC008,NBC012 fermentations were reduced by 50.07%,59.88%,57.45%,respectively,compared with the control . The height of plant increased by 11.3% and 18.6% after treated with NBC001 and NBC012 fermentations,while the length of root increased by 26.7% after treated with NBC008 fermentations. The present investigation suggested that fermentations of NBC001,NBC008,NBC012 could be used to control soybean cyst nematode.

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李婷,黄文坤,彭德良,孔令安,彭焕.3株生防真菌发酵液对大豆孢囊线虫的防治效果[J].华中农业大学学报,2017,36(1):42-46

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  • 收稿日期:2016-03-28
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  • 在线发布日期: 2016-12-29
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