175 endophytic actinomycetes were screened as the potential biocontrol agent in plate.Then through greenhouse experiment and field experiment, the biocontrol effect of screened strain was studied.

• 摘要采用皿内对峙试验从175株植物内生放线菌株中筛选具有生防效果的拮抗菌株，然后通过盆栽试验和田间试验，对筛选出的生防菌的生防效果进行了研究。