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 1 ; Ghafar, Muhammad Adeel 1 ; Liuyang, Lu 1 ; Haq, Inzamam Ul 1 ; Cui, Li 2 ; Yuan, Huizhu 2 ; Wang, Liande 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Plant Protect, China Kenya Joint Lab Ecol Pest Control Citrus, State Key Lab Ecol Pest Control Fujian & Taiwan Cr, Fuzhou 350002, Peoples R China
2.Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Inst Plant Protect, Key Lab Integrated Pest Management Crops, Beijing 100193, Peoples R China
关键词：
agriculture; cycloxaprid;
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：6.2； 五年影响因子：6.4 ）
ISSN： 0021-8561
年卷期： 2025 年 73 卷 6 期
页码：
收录情况： SCI
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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