以大肠杆菌、金黄色葡萄球菌、根霉、毛霉等为指示菌，考察不同紫草素添加量对紫草涂膜剂抑菌活性的影响。
E. coli, Staphylococcus aureus, Rhizopus, Mucor, etc. were the indicators. This essay investigated the effect of different alkannin content on bacteriostatic activity of the Lithospermum plastic.
本研究以重寄生链霉菌PR和F46 为出发菌株，以靶标病原菌为指示菌，以紫外线为诱变因子，对它们进行了诱变改良研究。
The spores of hyperparasitic Streptomyces strains PR and F46 were irradiated with UV light to improve the control effects against plant diseases.
本研究以重寄生链霉菌PR和F46 为出发菌株，以靶标病原菌为指示菌，以紫外线为诱变因子，对它们进行了诱变改良研究。
The spores of hyperparasitic Streptomyces strains PR and F46 were irradiated with UV light to improve the control effects against plant diseases.
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