title: Preparation of Chitosan nanoparticles and its effect on detached rice leaves infected with Pyricularia grisea.
abstract: The aim of the present study was to prepare chitosan nanoparticles to evaluate their effect on protection of rice plants from blast fungus. Nanoparticles were prepared using the ionic gelation method by the interaction of Chitosan and sodium tripolyphosphate. The particle size, polydispersity index, zetapotential and structure was confirmed by DLS, FTIR, TEM and XRD. The Chitosan nanoparticle was evaluated for suppression of rice blast fungus (Pyricularia grisea) under the detached leaf condition. It is evident from our results that chitosan nanoparticle have potential in suppressing blast disease of rice which can be used further under field condition to protect rice plants from the devastating fungus.
authors.affiliation: Department of Plant Science, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India.
authors.forename: Appu
authors.initials: A
authors.lastname: Manikandan
authors.affiliation: Department of Plant Science, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India. Electronic address: sathiyabamam@yahoo.com.
authors.forename: Muthukrishnan
authors.initials: M
authors.lastname: Sathiyabama
mesh_terms: D000935:Antifungal Agents / Q000737:chemistry / Q000494:pharmacology; D048271:Chitosan / Q000737:chemistry* / Q000493:pharmacokinetics; D053758:Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure; D012275:Oryza / Q000382:microbiology*; D010935:Plant Diseases / Q000382:microbiology*; D018515:Plant Leaves / Q000382:microbiology*; D055685:Pyricularia grisea / Q000187:drug effects; D017550:Spectroscopy, Fourier Transform Infrared; D013057:Spectrum Analysis / Q000379:methods; D014961:X-Ray Diffraction
chemical_list: D000935:Antifungal Agents; D048271:Chitosan
keywords: Chitosan nanoparticle; Rice blast; Suppression of disease