杀工具用于管理感染南方高灌木蓝的南方红
Lorena Lopez1, Oscar E Liburd2
1Entomology Laboratory, Virginia Tech's Eastern Shore Agricultural Research and Extension Center, 33446 Research Drive, Painter, VA 23420, USA.
Insects
|July 28, 2023
概括
蓝中南方红虫 (SRM) 爆发的病例由芬皮洛西马酸和芬纳扎奎因控制,这两种药物对自然捕食者是有效和安全的. 种植者意识调查为更好的害虫管理提供了教育材料的开发信息.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 虫害管理 虫害管理 虫害管理
- 农业科学 农业科学
背景情况:
- 自2016年以来,南方红 (SRM),*Oligonychus ilicis*,已经对南方高灌木蓝 (SHB) 造成了重大破坏.
- 有限的缓解杀伤选择和对自然敌人的缺乏知识阻碍了SHB的有效SRM管理.
- 本研究探讨了需要有效的SRM控制策略和了解SHB生产中相关的自然敌人的需求.
研究的目的:
- 评估已注册的杀虫剂在SHB中对SRM的疗效.
- 为了确定与SHB中SRM相关的自然存在的掠食性虫.
- 评估种植者对SRM的认识,并提供教育宣传信息.
主要方法:
- 进行了实地试验,以评估七种杀虫剂对SHB的SRM种群的疗效.
- 记录了每片叶子的SRM数量和植物损伤等级,以评估虫杀虫剂的有效性.
- 捕食的存在 (*Amblyseius* sp. 和 *Neoseiulus ilicis*) 在杀虫剂应用后被记录.
- 2020年进行了种植者意识调查.
主要成果:
- 芬pyroximate,acequinocyl和 fenazaquin在应用后七天显著减少了SRM种群.
- 芬pyroximate 和 fenazaquin 提供了对 *Oligonychus ilicis * 的最佳控制,受治疗的植物显示出明显较少的色.
- 发现自然存在的掠食性虫与SRM相关,并且没有受到芬皮洛西马酸和芬萨治疗的不利影响.
- 评估了种植者意识水平,以指导教育材料的开发.
结论:
- 芬pyroximate 和 fenazaquin 是有效和安全的杀虫剂,用于管理SRM在SHB,支持综合害虫管理 (IPM) 战略.
- 捕食虫的鉴定为SHB中的SRM生物控制提供了潜在的潜力.
- 了解种植者意识对于开发有针对性的教育计划以改善SRM管理实践至关重要.
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