The 17 strains of actinomycete, 3 strains of bacterium and 3 strains of fungus were isolated, which had obvious antimicrobial action against Phytophthora capsici through plate external screening.

• 摘要以辣椒疫霉为病原靶标菌，采用平皿体外筛选法分离到在皿内对辣椒疫霉有明显拮抗作用的放线菌17株，细菌及霉菌各3株；