But the antagonistic activity was the greatest after cultured on Davis medium when some quantity of bacteria was used.

• Davis培养基是一种完全培养基,以Davis培养基为基础,研究葡萄糖、蔗糖、甘油和乳糖等不同碳源和硫酸氨、硝酸钠和氨水等不同氮源对357菌株产生的拮抗物质活性的影响。