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散黑穗病

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A bacterium isolated from a soil sample collected in lakefront of Peigucuo Lake in Tibet showed strong inhibitory activity to Ustilago hordeum . it was identified as Bacillus polymyxa , named LN-176 based on a preliminary taxonomic study.

从西藏佩古错湖湖边的土壤中分离到一株对青稞散黑穗病菌具有较强抑制作用的细菌,经鉴定为多粘芽孢杆菌,命名为LN-176。

The culture filtrate of strain LN-176 was tested for light absorption at 260nm and 280nm, and the results showed that the protein content in the culture filtrate significantly increased. After ammonium sulphate precipitation, the supernatant and the precipitation were separated to testify their antagonistic activity, and it was found that the precipitation was inhibitory to Ustilago hordeum , but the supernatant not.

LN-176菌株的发酵液在260nm和280nm下进行吸光度测定,结果表明发酵液中蛋白质含量明显升高;发酵液经硫酸铵盐析后,取上清液和沉淀物分别做抗菌试验,发现沉淀物对青稞散黑穗病菌有拮抗活性而上清液无活性。

At last,PCR detection techniques to another three important diseases(wheat sheath blight,wheat loose smut and wheat scab) were studied.

此外,还研究了针对另三种重要小麦病害(纹枯病、散黑穗病和赤霉病)的PCR检测技术。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。