A multi-stimuli-response metal-organic framework nanopesticide for smart weed control in agriculture
文献类型： 外文期刊
作者： Zhang, Dingyang 1 ; Guo, Xueping 1 ; Rao, Wenhua 4 ; Pan, Danmei 5 ; Cao, Fang 1 ; Zhai, Tianyun 1 ; Zheng, Wenhui 1 ; Abubakar, Yakubu Saddeeq 1 ; Guan, Xiong 1 ; Chen, Zhi 3 ; Pan, Xiaohong 1 ;
作者机构： 1.Fujian Agr & Forestry Univ, Coll Plant Protect, State Key Lab Ecol Pest Control Fujian & Taiwan Cr, Fuzhou 350002, Fujian, Peoples R China
2.Fujian Agr & Forestry Univ, Coll Plant Protect, Key Lab Biopesticide & Chem Biol, Minist Educ, Fuzhou 350002, Fujian, Peoples R China
3.Fujian Agr & Forestry Univ, Coll Resources & Environm, Fuzhou 350002, Fujian, Peoples R China
4.Fujian Acad Agr Sci, Inst Plant protect, Fuzhou 350003, Peoples R China
5.Chinese Acad Sci, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China
6.Ahmadu Bello Univ, Fac Life Sci, Dept Biochem, Zaria, Nigeria
期刊名称：ENVIRONMENTAL SCIENCE-NANO （ 影响因子：5.1； 五年影响因子：6.2 ）
ISSN： 2051-8153
年卷期： 2025 年 12 卷 1 期
页码：
收录情况： SCI
摘要： Herbicides play an important role in weed control when it comes to ensuring a high and consistent yield in agriculture, but their effectiveness is often compromised by climatic variables. Therefore, improving the climatic adaptability of pesticides is crucial to ensure sustainable agricultural development. In this study, a novel bispyribac-sodium (BIS)-zeolitic imidazolate framework-8 (ZIF-8) nanopesticide (BIS@ZIF-8) with excellent multi-stimuli-responsive properties was synthesized. The nanopesticide BIS@ZIF-8 showed a multi-stimuli response and efficient weed control. In addition, the BIS@ZIF-8 nanocomposite showed strong resistance to rainwater erosion on leaf surfaces with a BIS retention rate of 76.26% under simulated rainwater, which was 41.54% higher than the BIS retention rate of the pure herbicide. Under UV light and acidic conditions, a high concentration of BIS was released from the BIS@ZIF-8 nanocomposite, resulting in an improved weed control effect. Further analyses showed that the BIS@ZIF-8 nanocomposite retained its structural stability and adhered to the weed under rainy conditions through electrostatic interaction. Conversely, the BIS@ZIF-8 nanocomposite was depolymerized under UV light irradiation and released BIS to kill weeds. In addition, BIS@ZIF-8 showed excellent herbicidal activity under field conditions with good biosafety. This work provides a new strategy to avoid environmental and climate-induced pesticide losses and paves the way for smart weed control in agriculture. Herbicides play an important role in weed control when it comes to ensuring a high and consistent yield in agriculture, but their effectiveness is often compromised by climatic variables.
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