Current trends and challenges in the synthesis and applications of chitosan-based nanocomposites for plants: A review

Juntong Yu, Depeng Wang, Nagaraja Geetha, Khalid Mahmood Khawar, Sudisha Jogaiah (Corresponding Author), Muhammad Mujtaba (Corresponding Author)

Research output: Contribution to journalReview Articlepeer-review

111 Citations (Scopus)


Chitosan, a low-cost and multipurpose polymer with numerous desired physicochemical and biological properties has been tested for various applications in agriculture, pharmacy, and biomedicine industries. The availability of functional groups along the backbone makes chitosan readily available for other polymers and metal ions to form bio-nanocomposites. Different types of chitosan-based nanocomposites have been designed and tested for the enhancement of chitosan efficiency and ultimately widening the application areas of chitosan in plants. These nanocomposites serve different purposes such as eliciting plant's defence systems against different threats (pathogen attack), antimicrobial agent against bacteria, fungi and viruses, enhancement of nutrient uptake by plants, control release of micro/macronutrients, fungicides and herbicides. In this review, an extensive outlook has been provided (mainly in the last five years) to recent trends and advances in the fabrication and application of chitosan-based composites. Finally, current challenges and future development opportunities of chitosan-based nanocomposites for plants are discussed.

Original languageEnglish
Article number117904
JournalCarbohydrate Polymers
Publication statusPublished - 1 Jun 2021
MoE publication typeA2 Review article in a scientific journal


  • Agriculture/methods
  • Chemistry, Agricultural/methods
  • Chitosan/chemistry
  • Fungicides, Industrial/chemical synthesis
  • Humans
  • Nanocomposites/chemistry
  • Plant Diseases/prevention & control


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