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Attractant Effect of Eucalyptus globulus (Labill) and Foeniculum vulgare (Mill.) Essential Oils on Aegorhinus superciliosus (Guérin) (Coleoptera: Curculionidae)
Journal of Soil Science and Plant Nutrition ( IF 3.4 ) Pub Date : 2020-01-03 , DOI: 10.1007/s42729-019-00164-2
Jocelyne Tampe , Betania Pacheco , Leonardo Bardehle , Eduardo Fuentes , Leonardo Salas , Andrés Quiroz

Currently, the use of essential oils for behavioral manipulation of insects is being investigated for its potential application in integrated pest management programs. Thus, we identified the chemical composition of Eucalyptus globulus (Labill) and Foeniculum vulgare Mill. essential oils and evaluated its effect on the Aegorhinus superciliosus behavior, an important fruit tree pest in the south of Chile. The oils were analyzed by gas chromatography coupled with mass spectrometry and then were evaluated in olfactometric bioassays in order to establish whether they have any effect on the insect behavior. Finally, we determined the electrophysiological activities associated with behavior studies using electroantennography. The GC-MS analysis indicated the presence of 17 compounds from eucalyptus oil being its major constituent’s eucalyptol (63.6%) and α-pinene (18.9%). For fennel oil, 16 volatile constituents were identified, being anethole (50.8%), estragole (19.5%), and fenchone (11.1%) the dominant compounds. The olfactometric bioassays revealed that eucalyptus oil was attractive for both sexes of A. superciliosus whereas fennel oil was only attractive to the females (P ≤ 0.05). The main compounds, eucalyptol and anethole, were attractive to females (P ≤ 0.05) and electrophysiologically active for both sexes of the insect. In conclusion, the components attractive identified in the present study could be the starting point for the development of effective attractant lures for controlling the raspberry weevil in southern Chile.

中文翻译:

Eucalyptus globulus (Labill) 和 Foeniculum vulgare (Mill.) 精油对 Aegorhinus superciliosus (Guérin)(鞘翅目: Curculionidae)的引诱作用

目前,正在研究使用精油来操纵昆虫的行为,因为它在综合害虫管理计划中的潜在应用。因此,我们确定了 Eucalyptus globulus (Labill) 和 Foeniculum vulgare Mill 的化学成分。精油并评估其对智利南部重要果树害虫 Aegorhinus superciliosus 行为的影响。通过气相色谱和质谱联用对油进行分析,然后在嗅觉生物测定中进行评估,以确定它们是否对昆虫行为有任何影响。最后,我们使用触角电位图确定了与行为研究相关的电生理活动。GC-MS 分析表明存在来自桉树油的 17 种化合物,这是其主要成分的桉树油 (63. 6%) 和 α-蒎烯 (18.9%)。对于茴香油,确定了 16 种挥发性成分,茴香脑 (50.8%)、草蒿脑 (19.5%) 和茴香酮 (11.1%) 是主要化合物。嗅觉生物测定显示桉树油对 A. superciliosus 的两性都有吸引力,而茴香油仅对雌性有吸引力 (P ≤ 0.05)。主要化合物桉树脑和茴香脑对雌性具有吸引力 (P ≤ 0.05) 并且对昆虫的两性都具有电生理活性。总之,本研究中确定的有吸引力的成分可能是开发用于控制智利南部覆盆子象鼻虫的有效引诱剂的起点。1%) 主要化合物。嗅觉生物测定显示桉树油对 A. superciliosus 的两性都有吸引力,而茴香油仅对雌性有吸引力 (P ≤ 0.05)。主要化合物桉树脑和茴香脑对雌性具有吸引力 (P ≤ 0.05) 并且对昆虫的两性都具有电生理活性。总之,本研究中确定的有吸引力的成分可能是开发用于控制智利南部覆盆子象甲的有效引诱剂的起点。1%) 主要化合物。嗅觉生物测定显示桉树油对 A. superciliosus 的两性都有吸引力,而茴香油仅对雌性有吸引力 (P ≤ 0.05)。主要化合物桉树脑和茴香脑对雌性具有吸引力 (P ≤ 0.05) 并且对昆虫的两性都具有电生理活性。总之,本研究中确定的有吸引力的成分可能是开发用于控制智利南部覆盆子象鼻虫的有效引诱剂的起点。05) 并且对昆虫的两性都具有电生理活性。总之,本研究中确定的有吸引力的成分可能是开发用于控制智利南部覆盆子象鼻虫的有效引诱剂的起点。05) 并且对昆虫的两性都具有电生理活性。总之,本研究中确定的有吸引力的成分可能是开发用于控制智利南部覆盆子象鼻虫的有效引诱剂的起点。
更新日期:2020-01-03
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