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在Spodoptera frugiperda和Mythimna loreyi之间优化男性捕获性费洛蒙诱
Yu He1,2, Jing-Jing Ye1, Si-Ruo Liu1
1State Key Laboratory of Agricultural and Forestry Biosecurity, Nanjing Agricultural University, Nanjing, China.
Pest management science
|September 3, 2025
概括
通过优化Spodoptera frugiperda和Mythimna loreyi的费洛蒙诱比率,可以对特定物种进行害虫监测. 调整诱中的Z7-12:Ac成分比率可以显著提高每个害虫的捕获特异性.
科学领域:
- 昆虫学
- 化学生态学
- 害虫管理
背景情况:
- 斯波多特拉果和Mythimna loreyi是影响草本作物的同类害虫.
- 这两种物种共享关键的激素成分,使物种特定的种群监测变得复杂.
- 商业上可用的诱捕获两种物种的雄性,这对精确的害虫评估构成了挑战.
研究的目的:
- 开发特定物种的激素诱,用于精确监测虫和虫.
- 确定最佳的激素混合比率,以提高每个害虫的捕获特异性.
- 为了区分S. frugiperda和M. loreyi雄性的激素反应.
主要方法:
- 在S. frugiperda和M. loreyi之间对女性呼叫节奏和费罗蒙腺组成部分进行比较研究.
- 在暴露于费洛蒙成分的男性中进行电生理学和性刺激反应测定.
- 用各种激素混合配方进行现场捕获测试,以评估物种特异性.
主要成果:
- Z7-12:Ac的比率是男性捕获诱特异性的主要决定因素.
- 在三元混合物中将Z7-12:Ac比率提高到10,显著改善了M. loreyi雄性捕获和特异性.
- 将Z7-12:Ac比率降至0.4显著提高了S. frugiperda雄性捕获特异性,同时保持捕获能力.
结论:
- 对S.frugiperda的最佳激素混合物是Z9-14:Ac/Z7-12:Ac/Z11-16:Ac在88/0.4/11.
- 对M. loreyi的最佳激素混合物是Z9-14:Ac/Z7-12:Ac/Z11-16:Ac在88/10/11.
- 这些特定物种的配方可加强对同类害虫的种群监测和捕获.
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