1.There is smut on the windows.

1.窗户上有烟尘。

2.This method resolved the problem of poor yield of DNA from smut teliospore thick wall, and efficiently avoided the false negative result of PCR.

2.此法腥黑穗菌厚壁冬孢子核样品制备率低的难题,有避免PCR检测的假阴性反应。