Through test on the seedling of pines indoor and outdoor,the antagonistic strain NA which had strong biocontrol effect against Sphaeropsis sapinea was obtained.

• 从松树叶面分离到1批拮抗细菌,经过室内外活体接种防病试验,最终筛选出1株对松枯梢病表现出良好防病潜能的生防菌株NA。