[名词解释] 纤维分解菌 cellulose-decomposing bacteria
[单选题]()病害通过喷菌现象可进行简易鉴别。A . 真菌B . 病毒C . 线虫D . 细菌
[判断题] 喷菌现象为细菌病害所特有的特点。A . 正确B . 错误
[单选题]下列哪一病害可通过喷菌现象进行简易诊断?()A . 水稻白叶枯病B . 葡萄霜霉病C . 苹果花叶病D . 芹菜根结线虫病
[名词解释] 细菌 bacteria
[名词解释] 柄细菌(prosthecate bacteria)
[名词解释] Bacteria, eubacteria (真细菌)
[单选题]When anaerobic bacteria convert the sewage to an inert sludge, .A.no oxygen is neededB.oxygen is necessaryC.oxygen is given offD.no gas is produced
[名词解释] 细菌生理群 physiological group of bacteria