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在室内用绿僵菌液喷洒3种金龟子幼虫,黄闪丽金龟、棕色鳃金龟和直蜉金龟子的感病率分别为90.2%、50.0%和83.3%。用黄闪丽金龟子幼虫作试验,在室内观察不同施用菌剂的方法对该虫的防效,结果土壤中施用菌剂,在菌土比为1:1250时,防效为86.2%;用菌剂拌麦种(菌剂麦种比为1:10)防效为62.5%;在小麦出苗后分3次施用菌液,防治效果为64.8%。
Three kinds of beetle larvae were sprayed indoor with Metarhizium anisopliae. The susceptibilities of the three species were 90.2%, 50.0% and 83.3%, respectively. The experiment was conducted on the yellow glittering beetle larvae to observe the control effect of different application of the bacteriocide on the insects in the laboratory. The results showed that the antibacterial effect was 86.2% when the ratio of bacteria to soil was 1: 1250; With wheat germ mixed with wheat germ (wheat germ ratio of 1:10) control effect was 62.5%; three times after the emergence of wheat sprouts, the control effect of 64.8%.