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选用4种易于取得的中草药、香料和食用油,分别对玉米象、赤似谷盗和绿豆象的驱避性进行了试验,结果表明:山柰、黑胡椒、米糠油对玉米象成虫、赤拟谷盗幼虫和绿豆象成虫及八角对玉米象成虫、赤拟谷盗幼虫都有明显驱避作用,其中山柰的驱避作用最强。当按0.3ml·皿(-1)的浓度拌小麦和绿豆时,处理48h,山柰对玉米象和绿豆象的驱避率高达100%;黑胡椒对玉米象的驱避率为86%;对绿豆象为80.5%;八角对玉米象的驱避率为78.2%。用滤纸法处理72h,山柰、八角、黑胡椒、米糠油对赤拟谷盗幼虫的驱避率依次为94.7%、84.3%、50.1%和33.2%。
Four herbivores, spices and cooking oil which are easy to obtain were selected to test the repellency of corn, red bean and green bean, respectively. The results showed that: Antagonist larvae and mungbean as adults and star anise on the corn as adults, red beetle larvae have obvious repellent effect, in which the strongest repel effect. When the concentration of 0.3ml · dish (1) mixed wheat and mung bean, the treatment 48h, Shanyang on corn and mung bean like repellent rate as high as 100%; black pepper on the corn like repellent rate was 86% ; 80.5% for mung bean; the repellent rate of star anise on corn was 78.2%. The filter paper repellency rate was 94.7%, 84.3%, 50.1% and 33.2%, respectively.