Table of Contents
International Journal of Carbohydrate Chemistry
Volume 2011, Article ID 460381, 29 pages
Review Article

A Biopolymer Chitosan and Its Derivatives as Promising Antimicrobial Agents against Plant Pathogens and Their Applications in Crop Protection

1Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, El-Shatby, Alexandria 21545, Egypt
2Department of Pest Control and Environmental Protection, Faculty of Agriculture, Damanhour University, Damanhour 22516, Egypt

Received 22 January 2011; Revised 8 March 2011; Accepted 22 March 2011

Academic Editor: Bruno Sarmento

Copyright © 2011 Mohamed E. I. Badawy and Entsar I. Rabea. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Recently, much attention has been paid to chitosan as a potential polysaccharide resource. Although several efforts have been reported to prepare functional derivatives of chitosan by chemical modifications, few attained their antimicrobial activity against plant pathogens. The present paper aims to present an overview of the antimicrobial effects, mechanisms, and applications of a biopolymer chitosan and its derivatives in crop protection. In addition, this paper takes a closer look at the physiochemical properties and chemical modifications of chitosan molecule. The recent growth in this field and the latest research papers published will be introduced and discussed.