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<p>This bibliometric study systematically evaluated global research trends on chitosan (CS) and chitosan nanoparticles (CNPs) for enhancing plant resilience to abiotic and biotic stresses. Using the Web of Science Core Collection database, we analyzed 1073 publications from 2004 to 2025 using bibliometric tools, including&#xa0;R (bibliometrix package), VOSviewer, CiteSpace, and HistCite. The analysis revealed an annual growth rate of 15.27%, with 98% of publications emerging in the last decade. Keyword co-occurrence analysis identified distinct thematic evolution from postharvest applications (2004–2010) to mechanistic stress physiology (2010–2018), and nano-enabled sustainable agriculture (2018–2025). Our analysis identified India and China as the primary drivers of research volume, while French contributions demonstrated the highest citation efficiency, indicating a&#xa0;landscape of both high productivity and significant academic impact. Thematic mapping reveals a&#xa0;clear evolutionary transition in the field: early research focused primarily on postharvest applications, which eventually gave way to inquiries into mechanistic stress physiology, and more recently, to the rise of nano-enabled sustainable agriculture. Despite these rapid advancements, this study identifies critical frontiers that remain underexplored, including field-scale validation, economic feasibility, and long-term ecological footprints of these materials. This study provides the first comprehensive bibliometric mapping of CS/CNP research in crop stress management, offering strategic insights into future research directions for sustainable agriculture.</p>

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From Chitin to Climate-Smart Agriculture: A Bibliometric Analysis of Chitosan Nanoparticle Applications in Crop Stress Mitigation

  • 期刊论文

  • 发表日期：

    2026年3月16日

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  • Mohan Kapse,
  • Dhiraj Naik

摘要

This bibliometric study systematically evaluated global research trends on chitosan (CS) and chitosan nanoparticles (CNPs) for enhancing plant resilience to abiotic and biotic stresses. Using the Web of Science Core Collection database, we analyzed 1073 publications from 2004 to 2025 using bibliometric tools, including R (bibliometrix package), VOSviewer, CiteSpace, and HistCite. The analysis revealed an annual growth rate of 15.27%, with 98% of publications emerging in the last decade. Keyword co-occurrence analysis identified distinct thematic evolution from postharvest applications (2004–2010) to mechanistic stress physiology (2010–2018), and nano-enabled sustainable agriculture (2018–2025). Our analysis identified India and China as the primary drivers of research volume, while French contributions demonstrated the highest citation efficiency, indicating a landscape of both high productivity and significant academic impact. Thematic mapping reveals a clear evolutionary transition in the field: early research focused primarily on postharvest applications, which eventually gave way to inquiries into mechanistic stress physiology, and more recently, to the rise of nano-enabled sustainable agriculture. Despite these rapid advancements, this study identifies critical frontiers that remain underexplored, including field-scale validation, economic feasibility, and long-term ecological footprints of these materials. This study provides the first comprehensive bibliometric mapping of CS/CNP research in crop stress management, offering strategic insights into future research directions for sustainable agriculture.