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嗅觉的特定变化及其对授粉者偏好的影响

Mayumi Vega-Polanco¹, Lislie Solís-Montero^1,2, Julio C Rojas¹

¹El Colegio de la Frontera Sur (ECOSUR), Unidad Tapachula, Carretera Antiguo Aeropuerto km 2.5, AP 36, Tapachula C.P. 30700, Chiapas, México.

|August 10, 2023

概括

在Solanum rostratum中,花香的变化影响了大黄蜂的访问,美国的植物访问更多. 然而,熊蜂 (Bombus impatiens) 没有对来自不同地区的花香提取物产生偏好,这表明香味本身并不能驱动偏好.

科学领域:

生态生态学生态生态学
化学生态化学生态学
行为生态学行为生态学

背景情况:

花香对于植物与授粉者相互作用至关重要.
种类内的花香的变化可能会影响授粉者行为,但人们对此了解甚少.
索拉 (Solanum rostratum) 是一种花授粉植物,在花香中表现出地理差异.

研究的目的:

为了比较墨西哥和美国的Solanum rostratum种群之间的花香成分.
研究气味变化如何影响授粉者偏好和吸引力,特别是使用Bombus impatiens.
为了确定花香的差异是否转化为不同的访问率.

主要方法:

采用黑提取了花中的挥发性化合物,并通过气色谱-质谱分析.
实地多选生物测试与Bombus impatiens进行.
进行了Y管行为生物测试,以评估嗅觉偏好.

主要成果:

确定了13种挥发性化合物,显示了墨西哥和美国人群之间的定性和半定量变化.
黄蜂在野外体实验中更频繁地访问来自美国人群的Solanum rostratum植物.
在Y管生物测试中,没有观察到来自任何地区的花香提取物的显著偏好.

结论:

在Solanum rostratum的花香中存在地理差异,并影响着授粉者访问模式.
虽然熊蜂对整个植物的访问方式不同,但仅仅是花香提取物并不能决定熊蜂的偏好.
需要进一步的研究来评估花香气变化对其他本地蜜蜂授粉者的影响.

关键词:

庞布斯不耐烦的不耐烦化学成分化学成分授粉者是授粉者.人口变化的变化.挥发性化合物挥发性的化合物

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