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基于环境DNA和其现场应用的Grapholitha molesta和Carposina sasakii的检测

Anjuan Li^1,2, Zhihong Li^1,2, Lijun Liu^1,2

¹College of Plant Protection, China Agricultural University, Beijing, China.

Pest management science

|June 3, 2025

概括

一种新的环境DNA (eDNA) 方法能够准确地检测出两个主要的果害虫,即Grapholitha molesta和Carposina sasakii. 这种非破坏性的方法有助于监测果园感染情况,并改进害虫管理策略.

科学领域:

分子生物学分子生物学
昆虫学昆虫学是一门学科.
环境科学环境科学

背景情况:

格拉福利塔 (Grapholitha molesta) 和卡波西纳 (Carposina sasakii) 是重要的水果害虫,造成经济损失和贸易中断.
目前的害虫管理面临着由于慢性混合感染的挑战.
对于这些果来说,需要快速,非破坏性的识别技术.

研究的目的:

开发和优化基于环境DNA (eDNA) 的方法,用于精确检测G. molesta和Carposina sasakii.
应用开发的eDNA方法来评估果园中的感染水平.

主要方法:

使用混合纤维素 (MCE) 和纤维素 (CA) 膜的过工艺优化了eDNA提取,在15分钟的纸浸泡后.
开发了用于检测G. molesta和Carposina sasakii的敏感原料.
将eDNA方法应用于来自各种果园的现场样本.

主要成果:

优化的过方法产生了高质量的eDNA.
初始检测结果显示高灵敏度,G. molesta的最低检测极限为0.1 ng/ul,C. sasakii. 的最低检测极限为0.01 ng/ul.
在果园样本中,eDNA技术成功地识别了目标物种.

结论:

开发的基于eDNA的技术可以有效地检测果园中的G. molesta和C. sasakii,无论感染的严重程度如何.
这项研究为非破坏性果虫害测试奠定了基础,并为其他物种的eDNA研究提供了参考资料.
这项技术对于实地监测果虫来说至关重要.

关键词:

卡尔波西纳萨萨基 (Carposina sasakii) 是一个古老的植物.格拉福利塔 (Grapholitha molesta) 是一个有毒的植物.检测技术检测技术检测技术我们的eDNADNA 过器膜膜的过器是什么灵敏度灵敏度灵敏度灵敏度灵敏度

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