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应用J-DsCPV(日本赤松毛虫质型多体病毒 )、Bt(苏云金杆菌 ) 2种制剂混配 ,并加入适量化学农药进行飞机大面积防治马尾松毛虫 ,施药 2 5d后校正虫口减退率达 84 7%。 2种制剂混用具有显著的增效作用和持续防治效果
Application J-DsCPV (Japanese red pine caterpillar type polyhedrosis virus), Bt (Bacillus thuringiensis) two kinds of formulations were mixed, and add the appropriate amount of chemical pesticides for large-scale aircraft control Dendrolimus punctatus, spraying 25 days after the correction of population decline 84 7%. The combination of two kinds of preparations has significant synergistic effect and sustained prevention and control effect