阴性的

The bacterium is the bulbiform bacili of negative of coloring of change orchid family name.

细菌为革兰氏染色性的球状杆菌。

The test for bacteria was negative.

细菌试验结性的。

Coliform group referred to aerobic or facultative anaerobic gram-negative budless bacillus which could ferment lactose and produce acids and CO2.

大肠菌群指能发酵乳糖、产酸产气、需氧和兼性厌氧的革兰氏性芽孢杆菌。

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

此法解决了腥黑穗菌厚壁冬孢子核酸样品制备率低的难题,有避免了PCR检测的假性反应。