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英语翻译Screening of ecological niches for signs of antagonismsu

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英语翻译
Screening of ecological niches for signs of antagonism
such as a disease or pathogenesis in the pest eventually leading to suppression
of the pathogen or pest population have been the primary source for the
discovery of new biopesticide products.
The selected strain is subjected to further biological screening for purity of isolates and for the absence of undesirable
metabolites such as exotoxins .
如果理解无误,此句该为自然科学的个中表达,意在说明自然筛选的现象作用,
参考如下:
1.生态界的自然筛选已经是生物杀虫剂新品研发的主要依据,比如害虫本身的一种疾病或者病原体最终会抑制病原及害虫种群.
2.所选菌株要通过隔离群纯度和是否有不良代谢产物(如外毒素)而进行进一步的生物筛选.
领域及资料片段无参考性原因,此翻译仅抛砖玉之用,楼主可根据自己行业用语进行合理整合,望有启迪作用.