Growth-promoting mechanism and biological activity of weed-derived carbon dots on Chinese cabbage and peas

文献类型： 外文期刊

第一作者： Yang, Ni

作者： Yang, Ni;Tang, Jiaxin;Lai, Jie;Chen, Lihan;Zhang, Zan;Qian, Kun;Yang, Ni;Xu, Yanqiu;Bian, Qiang;Zhang, Huanhuan

作者机构：

关键词： Weed-based carbon dots; Plants; Flonicamid; Nano-formulation

期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：6.2； 五年影响因子：6.2 ）

ISSN： 0926-6690

年卷期： 2025 年 228 卷

页码：

收录情况： SCI

摘要： In agriculture, Carbon Dots (CDs) have been shown to enhance plant photosynthesis, boost antioxidant capacity and increase stress resistance. Additionally, CDs can serve as pesticide carrier, to improve the stability, solubility and targeted delivery of pesticide molecules. In this study, novel weed-based CDs derived from Commelina communis were developed. Using peas, Chinese cabbage, and aphids as the test objects, the CDs can promote the growth of seedling, within a certain concentration range, where they can significantly increase the fresh weight of plants. This growth-promoting effect is mainly due to the facilitation of iron ion absorption and the synthesis of chlorophyll by the CDs, thereby enhancing plant photosynthesis. In addition, CDs-flonicamid nanocomposite can improve the adhesion of pesticides on the leaf surfaces, and enhance the control effect against aphids. This work lays a foundation for the development of innovative pesticide formulation based on the CDs and their broader application in agriculture.

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