pathogenic virus meaning in English

病原性病毒

In the past , highly pathogenic viruses have been isolated from migratory birds on very rare occasions involving a few birds , usually found dead within the flight range of a poultry outbreak
过去在禽流感爆发的区域内在死亡的候鸟，少数情况在家禽体内分离到了高致病性病毒。
Based on the survey of viruses infecting araceae plants from in zhejiang province , hunan province , hainan province and other regions in china , pathogenic viruses of this family were detected and identified . sequence similarity was compared between dasheen mosaic virus ( dsmv ) isolates of different origin . virus - free seedlings were obtained for two important taros cultivar , colocasia esculenta cv
本研究论文对我国浙江省、湖南省和海南省等地的天南星科植物上的主要病毒进行了检测和分子鉴定，比较了该科主要病原病毒芋花叶病毒( dsmv )不同分离物的序列同源性并分析其种内分化关系；同时，我们对2种重要的芋属栽培作物? ?奉化芋艿头、乌梗芋( colocasiaesculenta )和我国特有的天南星科药用植物? ?掌叶半夏( pinelliacordata )进行了脱毒培养和快速繁殖研究。