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1983—1984年湖北省农科院植保所同上海动物园药厂协作研制成“青虫菌六号液剂”,发酵液含菌数和成品收率均比国内生产水平高2—3倍,工业生产经济效益较高。液剂成品在上海、深圳甚至武汉市高温的6—9月,经室内和露地储存100余天都表现毒力稳定,无继续发酵现象。为了探索液剂的杀虫效果和经济效益,经地面人工喷洒菌剂防治马尾松毛虫预备试验,效果良好。乃子1984年6—7月在武汉市区和郊县、孝感地区应山县和广东省翁源
1983-1984 Hubei Academy of Agricultural Sciences plant protection and Shanghai Zoological Plant collaborative development of a “worm on the 6th liquid agent”, fermentation broth and the finished product yield were higher than the domestic production level 2-3 times, industrial production High economic benefits. Finished liquid products in Shanghai, Shenzhen and even the hot Wuhan in June-September, the indoor and open storage of more than 100 days have shown a stable virulence, no further fermentation. In order to explore the insecticidal effect of liquid and economic benefits, the ground artificial spray fungus preparation for prevention and treatment of Dendrolimus punctatus, the effect is good. Nazi 1984 June-July in Wuhan urban and suburban counties, Xiaogan area Yingshan and Guangdong Province, Wengyuan