唐山地区温室栽培蝴蝶兰主要发生的病虫害有炭疽病、软腐病、灰霉病、褐斑病、红蜘蛛、蛞蝓等,其中炭疽病、灰霉病病原体为真菌,软腐病、褐斑病病原体为细菌。主要病害炭疽病主要危害叶片,初期叶上生浅黄绿色圆形小斑点,后逐渐扩大变成灰褐色病斑,相邻病斑融合形成不规则大斑,最后多在干枯的病斑上产生隆起的黑色小粒点。 The main pests and diseases of moth orchids cultivated in greenhouses in Tangshan are anthracnose, soft rot, gray mold, brown blotch, spider mite, mulberry, etc. Among them, the pathogens of anthracnose and gray mold are fungi, soft rot, The pathogen is bacteria. The main disease anthrax leaves the main hazards, the initial leaves of yellowish green small round spots, and gradually expanded into brown spots, the adjacent lesion formation of irregular large spot, the last in the dry lesion on the raised black Small particles.