数字农科院2.0

Nanoscale Metal-Organic Frameworks for the Co-Delivery of Cycloxaprid and Pooled siRNAs to Enhance Control Efficacy in Diaphorina citri

文献类型： 外文期刊

作者： Wang, Wenjie;Ghafar, Muhammad Adeel;Liuyang, Lu;Haq, Inzamam Ul;Cui, Li;Yuan, Huizhu;Wang, Liande

作者机构：

关键词： agriculture;cycloxaprid;Diaphorinacitri;metal-organic frameworks;RNA pesticides

期刊名称： JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY

ISSN： 0021-8561

年卷期： 2025 年 73 卷 6 期

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： RNA pesticides have emerged as a promising alternative to conventional chemical pesticides due to their high specificity and minimal environmental impact. However, the instability of RNA molecules in the environment and the challenges associated with their effective delivery to target pests limit their broader application. This study addresses these challenges by developing a dual delivery system using chitosan (CS) and Metal-Organic Frameworks (MOFs) to enhance the delivery and efficacy of double-stranded RNA (dsRNA) and cycloxaprid against Diaphorina citri, a vector of citrus greening disease. The CS-MOF nanoparticles were synthesized and characterized using scanning electron microscopy (SEM) and dynamic light scattering (DLS). Insect bioassays demonstrated that the codelivery system significantly improved insecticidal activity, achieving over 80% mortality in D. citri within 2 days. The results indicate that the encapsulation of dsRNA within MOFs enhances its stability, while the controlled release properties of the nanoparticles improve the efficacy of cycloxaprid. This novel approach shows great potential in overcoming the limitations of RNA pesticides and offers a sustainable solution for pest management in agriculture. Future research should optimize the delivery system, conduct field trials, and explore its applicability to other agricultural pests.

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