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A Wind Tunnel for Odor Mediated Insect Behavioural Assays
Published on: November 30, 2018
利奇果的嗅觉偏好在两种利奇果品种上产卵
Xian-Yu Lin1, Yuan Zheng1, Ying Shen1
1Institute of Plant Protection, Guangdong Academy of Agricultural Sciences, Key Laboratory of Green Prevention and Control on Fruits and Vegetables in South China Ministry of Agriculture and Rural Affairs, Guangdong Provincial Key Laboratory of High Technology for Plant Protection, Guangzhou, China.
雌性利奇水果挖掘者 (Conopomorpha sinensis) 喜欢特定的利奇品种来蛋,以嗅觉线索为指导. 化合物d-limonene强烈吸引这些害虫,为新的控制策略提供了潜力.
科学领域:
- 农业昆虫学 农业昆虫学
- 化学生态化学生态学
- 昆虫与植物的相互作用
背景情况:
- 李子果 (Conopomorpha sinensis) 是亚洲各地李子和龙种植的重要害虫.
- 它的卵位行为受到嗅觉线索的强烈影响,这表明化学通信中断作为控制方法.
- 了解指导这种行为的特定挥发性化合物对于开发有效的害虫管理策略至关重要.
研究的目的:
- 为了研究雌性Conopomorpha sinensis的嗅觉偏好,以便在不同的litchi品种上排卵.
- 确定负责调解宿主植物选择和产卵行为的挥发性化学化合物.
- 探索特定吸引剂在害虫防治方面的潜力.
主要方法:
- 评估C. sinensis雌性在完整的Feizixiao (FZX) 和Guiwei (GW) 利奇水果上的排卵偏好.
- 分析和比较FZX和GW水果的挥发性化学特征,使用气色谱-质谱法.
- 选来自FZX的挥发性化合物,以检测雌性母的电生理活性和卵位吸引力.
主要成果:
- 与GW果相比,雌性C.sinensis在FZX上产卵时表现出显著的嗅觉偏好.
- 烯被确定为关键的挥发性成分,区分水果品种并影响宿主偏好.
- 在测试的化合物中,d-Limonene被确定为最强的卵位吸引剂,并作为C. sinensis的关键嗅觉线索.
结论:
- 这项研究阐明了雌性C. sinensis的嗅觉偏好,突出了特定品种的挥发性线索.
- 这些发现提供了宝贵的洞察力,了解果虫卵位的化学生态.
- d-Limonene 是一个有前途的候选人,可以在果园的综合害虫防治计划中开发有针对性的诱.
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