NBU Journal of Plant Sciences, Vol. 14

Permanent URI for this collectionhttps://ir.nbu.ac.in/handle/123456789/5034

EDITORIAL

Over the course of human history, plants have received widespread and occasionally dominant aesthetic and intellectual attention. Research of plant systems can also instruct us on how to handle issues with agriculture, human health, and the environment. The NBU Journal of Plant Sciences (NBUJPS) is an international peer-reviewed journal that has been published by the Department of Botany, University of North Bengal, since 2007. It gives the platform for publishing top-notch research on a variety of topics in plant science, animal-plant interactions, environment and ecology, and the evolution of the living world.

The journal's editorial board publishes high-calibre articles in print and online (https://njps.nbu.ac.in/) in one volume each year. The NBUJPS has officially registered for membership in CrossRef. All the articles will be assigned unique DOI numbers and will include other CrossRef services like similarity checking and reference linking. It gives me extreme pleasure to inform you that the NBUJPS publishes all the articles free of charge.

We are delighted to inform you that volume 14 has been published and will have 11 articles including review and research papers. This volume includes articles on nanotechnology, growth performance, characterization and ecology of various crops and weeds, phytoremediation of diseases and stresses in various crops, and microbes in extreme climates. These articles were contributed by numerous senior professors, scientists, and junior researchers from various institutions. The articles in this issue cover a wide spectrum of recent advancements in both basic and applied fields of plant science research, and they are all very important. Regarding contemporary breakthroughs and need-based research, this volume will greatly benefit all scientists and researchers working in various sectors of plant sciences.

Prof. (Dr.) Monoranjan Chowdhury
Head, Department of Botany

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Author: search.filters.author.Mandal, PalashSubject: search.filters.subject.Chitosan

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    Antifungal Efficacy of Cu-Based Nano-Chitosan on Rhizopus stolonifer, A Virulent Phytopathogen
    (University of North Bengal, 2022) Chouhan, Divya; Choudhuri, Chandrani; Dutta, Poulami; Mandal, Palash; Mathur, Piyush
    Agro-scientists are giving endless efforts for synthesizing a bio-derived molecule that can act as a promising antifungal agent for combating a large number of phytopathogens. Harmful phytopathogens decrease crop yield and its quality. Rhizopus stolonifer is one such virulent phytopathogen that causes huge losses during the post-harvest period of crops. This pathogen mainly causes rot disease in fruits, crops, and vegetables. The second most abundantly available biological macromolecule, Chitosan and its metal-based nanoparticles stands as a potential antifungal agent for combating Rhizopus stolonifer. This study includes the synthesis of Cu chitosan nanoparticles (Cu-CNPs) and chitosan nanoparticles (CNPs) through the ionic gelation method and its characterization based on UV Vis spectrophotometer, FE-SEM, EDXS, and DLS. Cu-CNPs and CNPs were screened from 100-2000 µg/mL concentration against R. stolonifer for the assessment of its antifungal activity. Spore viability assay and lipid peroxidation of the pathogen using Cu-CNPs and CNPs were also determined. Generation of oxidative stress in the mycelium of the pathogen on the application of Cu-CNPs and CNPs was traced by fluorescence microscopy. Changes in the ultra-structure of the sporangium of R. stolonifer after treatment with Cu-CNPs and CNPs were visualized under SEM. Results showed that Cu-CNPs inhibit the growth of R. stolonifer at 2000 µg/mL and elevate malonaldehyde (MDA) content in the pathogen as a result of lipid peroxidation and produces defined damages on the sporangium membrane as observed under electron microscope. Fluorescence microscopy revealed the emission of high intensity of fluorescence due to the generation of oxidative stress in Cu-CNPs treated fungal mycelium.