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用棉铃虫做为替代寄主生产马尾松毛虫质型多角体病毒应用马尾松毛虫质型多角体病毒（ＤＰＣＰＶ）防治马尾松毛虫，效果达７Ｏ％以上，且具有待效作用，一次防治可控制５－６年不成灾。但是，利用马尾松毛虫生产ＤｐＣＰＶ受季节及虫源的限制，同时还存在林间生产的病毒质...
Production of Dendrolimus punctatus-type polyhedrosis virus using Helicoverpa armigera as an alternative host The application of DPCPV to control Dendrolimus punctatus has an effect of over 70% and is effective and can be controlled 5 times - 6 years without disaster. However, the use of Dendrolimus punctatus to produce DpCPV is limited by the season and the source of insects, as well as the presence of viral substances produced in the forests.