半化学驱逐剂作为快速'Ōhi'a死亡的摔倒后管理策略
Dan Mikros1, Patrick J Hart2, Ryan L Perroy3,4
1Hawai'i Cooperative Studies Unit, University of Hawai'i at Hilo, Hilo, HI, USA.
Environmental entomology
|December 17, 2025
概括
快速的 快速的 快速的
科学领域:
- 森林病理学 森林病理学
- 昆虫学 昆虫学是一门学科.
- 化学生态化学生态学
背景情况:
- 快速的'Ōhi'a死亡 (ROD) 在夏威夷造成显著的'ōhi'a树死亡率.
- 侵袭性羊甲虫传播ROD病原体,威胁到原生森林的稳定性.
- 目前的管理 (砍伐和铺设) 通常是不切实际的.
研究的目的:
- 评估半化学配方来管理ROD感染的砍伐树木.
- 评估和甲基酸盐在驱逐虫虫虫害中的有效性.
- 确定半化学应用所提供的保护的持续时间.
主要方法:
- 进行了两次为期10周的实地和实验室试验,对被砍伐的ROD-Ceratocystis--感染"ōhi'a.
- 应用了两个半化学配方:SPLAT Verb (10%的) 和SPLAT Beetle Guard (10%的+10%的甲基酸盐).
- 测量了虫虫的攻击,出现和虫的生长.
主要成果:
- 单独的维尔本显著减少了甲虫的攻击和.
- 烯 + 甲基酸盐减少了攻击 (37%比单独的烯在一个试验中更好),frass和emergence.
- 到第10周,甲虫的攻击减少到接近零,这可能是由于干燥.
结论:
- 半化学驱逐剂在ROD管理方面表现有前途.
- 单次申请可以保护砍伐的树木在其宿主适应期内.
- 半化学物质可以是综合ROD控制策略的关键组成部分.
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