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枯草芽孢杆菌 (Ｂａｃｉｌｌｕｓｓｕｂｔｉｌｉｓ)菌株Ｂ 91 6是从土壤分离获得的对水稻纹枯病菌有较好拮抗作用的菌株 ,近几年应用于大面积防治水稻纹枯病取得了比较理想的防治效果[1 ] 。本文报道拮抗细菌Ｂ 91 6对其它几种植物病原菌的抑菌活性及其毒力效果 ,为拮抗细菌Ｂ
Bacillus subtilis strain B 91 6 is a strain isolated from soil that has a good antagonistic effect on R. solani. In recent years, it has been applied in the prevention and control of rice sheath blight in large area. 1 ] . This article reports the antibacterial activity of antagonistic bacterium B 91 6 to several other plant pathogens and their virulence effects to antagonize the bacterial B