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相关实验视频

Updated: May 10, 2025

Application of Two-spotted Spider Mite Tetranychus urticae for Plant-pest Interaction Studies
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评估黑 (Acari:Tarsonemidae) 广泛虫在黑中的采样技术

Jared B Linn1, Aaron J Cato2, Amanda L McWhirt2

  • 1Department of Entomology and Plant Pathology, University of Arkansas, Fayetteville, AR, USA.

Journal of economic entomology
|April 22, 2025
PubMed
概括

在黑田中发现大虫 (Polyphagotarsonemus latus) 的新侦察方法使用视力损伤评估. 这种方法对种植者来说比叶子采样更实用,改善了害虫控制策略.

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科学领域:

  • 农业昆虫学 农业昆虫学
  • 植物病理学 植物病理学
  • 虫害管理 虫害管理 虫害管理

背景情况:

  • 广虫 (Polyphagotarsonemus latus) 是一种影响全球黑产量的重要害虫.
  • 目前对虫杀伤剂的推是基于小块土地的研究,缺乏实地规模的验证.
  • 种植者通常依靠视觉损伤评估,但在田间规模上对广虫的最佳侦察方法尚未研究.

研究的目的:

  • 确定一个有效的现场规模的侦察策略,以估计广泛的虫密度.
  • 调查大虫密度与视力损伤症状之间的关系.
  • 开发一个实用的视力损伤采样策略,用于黑中广泛的虫管理.

主要方法:

  • 在12个商业黑田中评估了三个传单样本大小 (5,10,15个传单).
  • 在33个商业领域使用描述级 (1-5) 评估视力损伤.
  • 采用回归分析,将虫密度与视力损伤相关联,并确定最佳样本大小.

主要成果:

  • 十五个叶片样本给出了虫种群的最佳估计,这是移动虫最低的差异与平均值比率 (12.2) 所表明的.
  • 为了以70%的准确度在值时估计虫密度,需要15个传单中的31个样本.
  • 在虫密度和视力损伤之间发现了正相关性;两个评级表明72%的样本超过了值.
关键词:
检测采样采样检测采样采样园艺 昆虫学 植物学综合性害虫防治 综合性害虫防治

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相关实验视频

Last Updated: May 10, 2025

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结论:

  • 视觉损伤评估可以有效地估计黑田中的广泛虫种群.
  • 基于视觉损伤 (11个复制品,10个样品) 的采样策略对种植者来说比劳动密集的叶子采样更可行.
  • 这些发现支持采用视力损伤侦察,以改善种植者广泛虫管理.