菜青虫颗粒体病毒是一种对人畜安全,不污染环境,不杀伤天敌,使用简便,成本低,杀虫效果好的新型生物杀虫剂。我站近几年大面积推广应用了苏芸金杆菌类“7216”生物农药,收到很好的杀虫效果。去年我们又引进菜青虫颗粒体病毒,进行了试验示范,现将试验结果整理如下: 一、试验材料和方法: 菜青虫颗粒体病毒,系武汉大学病毒系提供,有粉剂和液剂两种。试验设在十里店大队试验站,吊场大队一、三、八队和本站内进行。试验分室内药效和大田药效测定二步进行。室内测定由大田采回2—4龄菜青虫,放入广口瓶和罐头瓶内进行喂饲,然后 Pieris rapae granulosis virus is a kind of new biological insecticide that is safe to humans and animals, does not pollute the environment, does not kill natural enemies, is simple to use, low in cost and has good insecticidal effect. In recent years, I station a large area to promote the application of Bacillus thuringiensis “7216” biological pesticides, received a good insecticidal effect. Last year we introduced cabbage Pieris granulosis virus, a pilot demonstration, the test results are summarized as follows: First, the test materials and methods: Pieris granulosis virus, Department of Virology, Wuhan University, there are two kinds of powder and liquid. Test set in Shili shop brigade station, hanging field brigade one, three, eight teams and within the site. Test sub-indoor efficacy and field efficacy measured two steps. Indoor determination of 2-4 days by the field back cabbage Pieris, into jars and cans for feeding, and then