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测定了不同浓度的植物提取物在244、8和72 h后对烟草甲成虫的触杀毒力和驱避毒力。初步研究结果表明,筛选出的巴豆乙醇提取物、巴豆丙酮提取物、巴豆乙酸乙酯提取物、巴豆石油醚提取物、草乌丙酮提取物、草乌乙酸乙酯提取物、草乌石油醚提取物、驱虫草乙醇提取物、驱虫草丙酮提取物、川乌石油醚提取物、百部乙醇提取物、百部丙酮提取物、百部乙酸乙酯提取物、百部石油醚提取物、茵陈蒿乙醇提取物、茵陈蒿丙酮提取物等对烟草甲成虫有较好的触杀毒力;巴豆乙酸乙酯提取物、巴豆石油醚提取物、天南星科植物乙酸乙酯提取物、天南星科植物石油醚提取物、百部乙酸乙酯提取物、高良姜石油醚提取物、山鸡椒乙醇提取物、山鸡椒石油醚提取物等对烟草甲成虫有较好的驱避毒力。
Toxicity and repellent toxicity of different concentrations of plant extracts to adult N. tabaci were determined after 244, 8 and 72 h. The results of the preliminary study showed that the selected extract of croton ethanol, croton acetone extract, croton vinegar ethyl acetate extract, rapeseed oil extract, , Cordyceps ethanol extract, Cordyceps acetone extract, Chuanwu petroleum ether extract, one hundred ethanol extract, one hundred acetone extract, one hundred ethyl acetate extract, pestle oil ether extract, capillaris Artemisia annua ethanol extract, Artemisia selengensis extract, etc. have a better contact toxicity against tobacco adults; croton ethyl acetate extract, crotyl ether extract, Araceae plant ethyl acetate extract, Araceae oil Ether extract, one hundred ethyl acetate extract, galangal petroleum ether extract, pheasant pepper ethanol extract, peanut oil petroleum ether extract on tobacco adults have a better repellent.