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Water-Based Environmentally Friendly Pesticide Formulations Based on Cyclodextrin/Pesticide Loading System

Journal of Renewable Materials, ISSN: 2164-6341, Vol: 11, Issue: 2, Page: 777-789
2023
  • 3
    Citations
  • 0
    Usage
  • 12
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    3
    • Citation Indexes
      3
  • Captures
    12

Article Description

Difenoconazole (DIF) is a representative variety of broad-spectrum triazole fungicides and liposoluble pesticides. However, the water solubility of DIF is so poor that its application is limited in plant protection. In addition, the conventional formulations of DIF always contain abundant organic solvents, which may cause pollution of the environment. In this study, two DIF/cyclodextrins (CDs) inclusion complexes (ICs) were successfully prepared, which were DIF/β-CD IC and DIF/hydroxypropyl-β-CD IC (DIF/HP-β-CD IC). The effect of cyclodextrins on the water solubility and the antifungal effect of liposoluble DIF pesticide were investigated. According to the phase solubility test, the molar ratio and apparent stability constant of ICs were obtained. Fourier transform infrared spectroscopy, thermal gravity analysis, X-ray diffraction and scanning electron microscopy were used systemati-cally to characterize the formation and characteristics of ICs. The results noted that DIF successfully entered the cavities of two CDs. In addition, the antifungal effect test proved the better performance of DIF/HP-β-CD IC, which exceeded that of DIF emulsifiable concentrate. Therefore, our study provides informative direction for the intelligent use of liposoluble pesticides with cyclodextrins to develop water-based environmentally friendly formulations.

Bibliographic Details

Xinyu Guo; Laihua Liu; Zhe Sun; Rui Zhao; Hongyi Shang; Jiangyu Liu; Yong Xu; Xuemin Wu

Tech Science Press

Materials Science; Environmental Science

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