分离水稻白叶枯病細菌(Xanthomonas oryzae(Ishiyama and Uyeda)Dowson)比分离同屬的其他細菌較为困难。即使从新鮮的病叶进行分离,也并不是每次都能成功。从病株殘余和土壤分离,困难更多。白叶枯病細菌的生理和同厲的其他細菌有显著的差别,分离失败原因之一,可能是由于未能掌握适当的培养条件。一般细菌的培养,葡萄糖是很适宜的碳源,但是在某些培养基內,葡萄糖反而抑制白叶枯病細菌的生长。自1955年發現这現象以后,我們認为这个問題的研究对于进一步 Isolation of Xanthomonas oryzae (Ishiyama and Uyeda) Dowson is more difficult than the isolation of other bacteria of the same genus. Even separating from fresh diseased leaves does not always succeed. Residues from the diseased and soil separation, more difficult. Bacterial blight bacterial physiology and the same Li other bacteria have significant differences, one of the reasons for the failure of separation may be due to failure to master the appropriate culture conditions. In general bacterial culture, glucose is a very suitable carbon source, but in some media, glucose instead suppresses the growth of bacterial blight. Since the discovery of this phenomenon in 1955, we think the study of this issue goes further