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

International Journal of Biological Macromolecules, ISSN: 0141-8130, Vol: 273, Issue: Pt 2, Page: 132944
2024
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Article Description

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.

Bibliographic Details

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

Elsevier BV

Biochemistry, Genetics and Molecular Biology

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