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罗田县生物研究所于1979年开始试制以多聚甲醛为主要成分的防病一号,经有关单位化验,达到了质量标准。两年来在本县多点试用,一致反映防病一号具有广谱、高效、稳定、安全、方便等优点,深受蚕农欢迎。1981年,我们进一步在夏蚕和早秋蚕期,以常见的真菌病、细菌病和病毒病的主要病原体为材料,进行了预防消毒试验,同样取得了明显的效果。 一、对蚕病病原体的预防效果 1.对真菌病的预防效果。将真菌引起的白僵病病菌孢子分别用灭菌水配成每立方毫
Luotian County Institute of Biology in 1979 to trial production of paraformaldehyde as the main ingredient of disease prevention on the 1st, the relevant laboratory tests, reaching the quality standards. In the past two years, more trials in this county have consistently reflected the prevention and treatment of disease-one diseases with broad-spectrum, high efficiency, stability, safety and convenience. In 1981, we further conducted preventive disinfection experiments with the common pathogens of fungal diseases, bacterial diseases and viral diseases in summer and early autumn silkworms, and achieved remarkable results. First, the preventive effect of silkworm pathogens 1. The prevention of fungal disease. The fungus cause spores of white stiff disease were sterilized water dubbed per cubic milliliter