根瘤菌菌株
According to tests of colony formation days on plate and generation time determination, all strains were primary clustered into two groups: one is fast-growing rhizobium, the other is slow-growing rhizobium.
根据菌落形成时间和代时测定结果,将供试菌株初步划分为快生菌株和慢生菌株两种类型。
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