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无损植物之间的通信可以引起邻近植物的挥发性排放的变化,从而改变它们对虫的易感性

Sokha Kheam^1,2, Jannicke Gallinger¹, Velemir Ninkovic¹

¹Department of Ecology, Swedish University of Agricultural Sciences, Uppsala, Sweden.

Plant, cell & environment

|January 23, 2024

概括

特定的大麦品种之间的植物挥发性相互作用改变了植物的交流. 这改变了挥发性排放,驱逐了虫,影响了害虫控制策略.

科学领域:

植物通信和化学生态学.
农业昆虫学和害虫管理.

背景情况:

植物挥发物调解植物与植物和植物与昆虫的相互作用,影响对害虫的防御.
邻近植物的挥发性线索对宿主植物排放和昆虫感知的影响还不太清楚.

研究的目的:

调查不同大麦品种的挥发性物质暴露如何影响接收品种 (萨洛梅) 的挥发性排放.
确定这些改变的挥发性排放是否会影响虫的嗅觉偏好和行为.

主要方法:

春季大麦 (Hordeum vulgare L.) 品种萨洛梅暴露在其他两种品种,童话和阿纳金的挥发性物质中.
来自萨洛梅的挥发性排放被使用气色谱-质谱分析.
进行了虫嗅觉偏好测试,以评估挥发性物质暴露对虫行为的影响.

主要成果:

与暴露于阿纳金相比,萨洛梅暴露于童话般的挥发物显著增加了转-β-ocimene和两个未确定的化合物的排放.
高度的转β-ocimene显示对虫有排斥作用.
暴露于童话中的挥发物质的萨洛梅对虫的嗅觉偏好产生了显著的驱逐作用,与暴露于阿纳金不同.

结论:

没有受损的大麦植物之间的特定挥发性相互作用可以诱导受体植物挥发性配置的变化.
这些诱导的挥发性变化可以增强破坏虫嗅觉偏好的特定化合物,导致排斥.
植物间的挥发性沟通在调节植物昆虫相互作用方面发挥着至关重要的作用,并为农业中可持续的害虫管理提供了潜力.

关键词:

虫是一种虫.虫宿主植物的方向性大麦大麦大麦大麦大麦大麦大麦大麦昆虫植物的相互作用.植物植物的沟通方式植物植物相互作用挥发性有机化合物挥发性有机化合物具有挥发性的个人资料.

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