pathogens

But the pathogens could not invade the host easily in sabulous loam soils.

罗汉果植株越小越利于病原菌的入，期后，未观察到植株被病原菌染。

Conclusion Only few patients are detected of pathogens, the most are manifestation of venereal nosophobia.

结果及结论淋病后综合征患者中除少数伴有其它病原体感染外，大多数是性病疑病症的一种表现。

Anti-pathogen effect of extracts from exopleura of Ginkgo Bbiloba L. on common pathogens of tomatoes was studied in laboratory and in pot experiments.

摘要采用室内和盆栽抑菌试验，研了银杏外种皮提取液对番茄常见病原菌的抑制作用。

The spores of Bacillus popilliae which are specialized pathogens of the scarabaeid beetles are difficult to be reproduced in vitro.

日本金龟子芽孢杆菌是一种在活有机体外很难产生孢子的昆虫病原体。

This paper made a study of the variety regulation of pathogens in the activated sludge through biological fermentation using Aspergillus niger as zymophyte.

采用黑曲霉为发酵剂对活性污泥进行全害处理并对各种病原菌的生长变化进行监测。结果表明病原菌总量在发酵过中呈"马鞍型"变化。

By dissecting moribund fishes and isolationg the pathogens, we found that the “infection syndrome” was a complex polyinfection caused by Myxosporea and secondary bacterial infection.

对多个养殖场的患病鱼体进行解剖观察及病原分离鉴定，发现此病症多是由粘孢子虫寄生并继发细菌性感染而引起的疾病。