Lignin microcapsules prepared on the basis of flexible skeleton with high foliar retention and UV shielding properties

文献类型： 外文期刊

第一作者： Chen, Yue

作者： Chen, Yue;Li, Zhongyi;Han, Chong;Jian, Xuewen;Sun, Hongzhen;Zou, Nan;Liu, Feng;Zhang, Daxia;Cao, Haichao;Xiao, Haibing;Dong, Hongqiang;Zhang, Peng;Zhao, Xinying

作者机构：

关键词： Lignin; Soft microcapsules; Pesticide retention; Controlled-release; Nutrient partitioning; Peanut yield

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：7.7； 五年影响因子：7.7 ）

ISSN： 0141-8130

年卷期： 2024 年 273 卷

页码：

收录情况： SCI

摘要： Lignin-based microcapsules are extremely attractive for their biodegradability and photolysis resistance. However, the water-soluble all-lignin shells were unsatisfactory in terms of rainfall and foliar retention, and lacked the test of agricultural production practices. Herein, a novel microcapsule based on a flexible skeleton formed by interfacial polymerization and absorbed with lignin particles (LPMCs) was prepared in this study. Further analysis demonstrated that the shell was formed by cross-linking the two materials in layers and showed excellent flexibility and photolysis resistance. The pesticide loaded LPMCs showed about 98.68 % and 73.00 % improvement in scour resistance and photolysis resistance, respectively, as compared to the bare active ingredient. The foliar retention performance of LPMCs was tested in peanut plantations during the rainy season. LPMCs loaded with pyraclostrobin (Pyr) and tebuconazole (Teb) exhibited the best foliar disease control and optimum plant architecture, resulting in an increase in yield of about 5.36 %. LPMCs have a promising application prospect in the efficient pesticide utilization, by controlling its deformation, adhesion and release, an effective strategy for controlling diseases and managing plant growth was developed.

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