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采用索氏提取法,以乙醚为提取溶剂提取大蒜、辣椒粉、柑桔皮、臭椿树皮的植物精油,研究其对赤拟谷盗的控制作用。结果表明:臭椿树皮、辣椒粉、大蒜3种植物精油对赤拟谷盗的成虫均有较强的驱避作用,柑桔皮精油对赤拟谷盗成虫具有一定的引诱作用;4种植物精油对赤拟谷盗成虫的触杀作用较弱;4种植物精油对赤拟谷盗当代种群均有一定的抑制作用,其作用大小顺序依次为柑桔皮精油>大蒜精油>臭椿树皮精油>辣椒粉精油;4种精油对赤拟谷盗成虫无明显的熏蒸作用,而对赤拟谷盗幼虫均有显著的熏蒸效果。
Soxhlet extraction method was used to extract plant essential oil of garlic, paprika, citrus peel and stinkbug from the bark of ether and the control effect of the plant on the tarnit. The results showed that the essential oil of three kinds of plant essential oils of Ailanthus altissima bark, chili powder and garlic had a strong repellent effect on the adults of Tribolium fortunei. The citrus peel essential oil had certain attraction to the adults of Antarctic bratwurst. The effect of essential oils on the adults of Tribolium castanea was weaker. The four plant essential oils had certain inhibitory effects on the contemporary population of Tribolium fortunei, and their order of action was citrus peel essential oil> garlic essential oil> bark essential oil> Pepper oil; four kinds of essential oils on the Antagonistic Tarot no obvious fumigation, but on the red-tarred larvae have significant fumigation effect.