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用冷浸法提取13种植物的乙醇提取物,在室内对灰飞虱成虫进行产卵忌避活性试验和对若虫进行触杀毒力试验。结果表明,水菖蒲乙醇提取物的产卵
The extracts of 13 species of plants were extracted by cold soak method, ovipositidal activity test was carried out on adults of Laodelphax striatellus and the contact toxicity test on nymphs was conducted indoors. The results showed that the ethanolic extract of Acorus calamus spawn