首页> 外文期刊>Australian Journal of Crop Science >Response of Hypothenemus hampei (Coleoptera: Curculionidae) to semiochemicals and blends using baited traps in coffee fields
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Response of Hypothenemus hampei (Coleoptera: Curculionidae) to semiochemicals and blends using baited traps in coffee fields

机译:在咖啡场中使用诱饵诱集器对次要叶猴(鞘翅目:Curculionidae)对化学信息素和混合物的响应

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Hypothenemus hampei (Ferrari) is an important pest of coffee fields all around the world. The understanding of the synthetic attractive volatiles is essential for the development of appropriate strategies for its integrated management. The olfactory response of this insect to ethylene (ETL) and ethyl acetate (EA) was investigated in experimental coffee (Coffea canephora 'Conilon') fields in Rondonia, Brazil, using baited traps with single compounds and combined with alcohols, i.e., ethanol:methanol (ET:MT, 1:1). Baited traps were placed along plant rows within the coffee field using a randomized block design. Collected insects were properly separated, counted and identified using a stereomicroscope in the laboratory. Traps baited with EA captured a higher number of H. hampei compared to control traps, suggesting its effect as possible attractant. Despite that, the combination of EA with single alcohols, i.e., EA:ET (1:1) and EA:MT (1:1) and then ET:MT (1:1), i.e., EA:ET:MT (1:1:1) did not increase beetle capture compared with currently used H. hampei attractants, i.e., ET:MT (1:1). Other experiments will be performed to improve bait performance using different EA to ET:MT ratios.
机译:Hypothenemus hampei(法拉利)是世界各地咖啡田的重要害虫。对合成诱人挥发物的理解对于制定适当的综合管理策略至关重要。在巴西朗多尼亚的实验咖啡(Coffea canephora'Conilon')试验田中,使用了诱饵将诱虫与单一化合物混合并与酒精(例如乙醇)结合使用,研究了该昆虫对乙烯(ETL)和乙酸乙酯(EA)的嗅觉响应:甲醇(ET:MT,1:1)。使用随机区组设计,将诱饵诱集装置沿咖啡田中的植物行放置。在实验室中使用体视显微镜对收集的昆虫进行了适当的分离,计数和鉴定。与对照诱集器相比,用EA诱饵捕获的诱集器捕获的汉普氏菌数量更高,这表明其效果可能是引诱剂。尽管如此,还是将EA与单一醇(即EA:ET(1:1)和EA:MT(1:1),然后是ET:MT(1:1),即EA:ET:MT(1)组合使用1:1 :)与目前使用的H. hampei引诱剂(即ET:MT(1:1))相比,甲虫的捕获率没有增加。将使用不同的EA与ET:MT比率执行其他实验以提高诱饵性能。

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