avirulent pathogen meaning in Chinese

无毒病原体,无毒致病菌
无毒力病原菌

One of these pr genes , pr - la , responds not only to avirulent pathogen , but also to some chemicals , such as sa ( salicylic acid ) and bth ( benzothiadiazole ) etc . , and the responding ability to the inducers is controlled by its promoter
其中一个pr基因pr - 1a ，不仅受病原菌诱导，而且受一些化学剂如sa 、 bth等化学剂的诱导，其诱导应答由其启动子控制，因此pr - 1a启动子可以应用于植物化学诱导系统中。
Most of plants , when attacked by avirulent pathogens , usually produce a hypersensitive response ( hr ) at the locus attacked and develop a systemic acquired resistance ( sar ) throughout entire plant by expressing a set of defense genes including pathogenesis - related ( pr ) genes
植物受到病原菌侵染后，感染部位产生过敏性坏死反应，在其它部位产生系统获得性抗性并伴随抗性基因包括病程相关蛋白( pathogen - relatedprotein )基因的表达。