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《Hubei Agricultural Sciences》 2004-06
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Study on synergic effects of crude extraction of Artemisia scoparia mixed with bacillus thuringiensis against cabbage butterfly larvae

YAO An-qing,HUA Zong-yan(Plant Science and Technology College of Yangtze Uuniversity,Jinghzou 434025,Ch ina)  
With soak way, the synergic effects of crude extraction of Artemisia s coparia mixed with bacillus thringiensis was tested against cabbage butterfly la rvae. Result approved:When crude extraction of Artemisia scoparia mixed with bac illus thringiensis as 1∶8.8(according to 1.5×109spores)in the light of equal t oxicity dosage,mass ratio,the synergic effects was most marked,whose co-toxcity coefficient was 208.4;After 72 hr,cabbage butterfly larvae,s death ratio reached 76.3%.
【CateGory Index】: S482.39
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