alexa Three-Dimensional Coating of Porous Activated Carbons with Silver Nanoparticles and its Scale-up Design for Plant Disease Management in Greenhouses | OMICS International | Abstract
ISSN: 2157-7471

Journal of Plant Pathology & Microbiology
Open Access

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Research Article

Three-Dimensional Coating of Porous Activated Carbons with Silver Nanoparticles and its Scale-up Design for Plant Disease Management in Greenhouses

Oleksandra Savchenko1, Jie Chen1,3,4, Yuzhi Hao3, Xiaoyan Yang3, Susie Li2 and Jian Yang2*

1Department of Biomedical Engineering, University of Alberta, Edmonton, Alberta, Canada

2Alberta Innovates - Technology Futures, HW16A & 75th Street, Vegreville, AB, Canada

3Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Alberta, Canada

4National Research Council, National Institute for Nanotechnology, Edmonton, Alberta, Canada

*Corresponding Author:
Jian Yang
Alberta Innovates - Technology Futures
HW16A & 75th Street, Vegreville, AB, Canada
Tel: 780-632-8471
Fax: 780-632- 8612
E-mail: [email protected]

Received Date: October 27, 2016; Accepted Date: November 10, 2016; Published Date: November 14, 2016

Citation: Savchenko O, Chen J, Hao Y, Yang X, Li S, et al. (2016) Three- Dimensional Coating of Porous Activated Carbons with Silver Nanoparticles and its Scale-up Design for Plant Disease Management in Greenhouses. J Plant Pathol Microbiol 7:381. doi: 10.4172/2157-7471.1000381

Copyright: © 2016 Savchenko O, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Greenhouse vegetable production is significantly impacted by pathogens that cause diseases to the roots of plants. These diseases are increasingly problematic in hydroponic vegetable production. Standard commercial practices in modern vegetable production facilities reuse the nutrient solution to reduce costs, or use dugout water for greenhouse irrigation in rural areas. This practice of recycling water may introduce or spread pathogens. Once pathogens contaminate water systems, they can spread quickly and cause dramatic losses to yield. Water filters have been used, but do not effectively kill fungi and bacteria. Therefore, better water treatment solutions are urgently needed to manage plant disease, especially for hydroponically grown vegetables. Numerous studies have demonstrated the efficacy of silver ion (Ag+) and silver-based compounds for disinfection of a wide range of harmful microorganisms. In this article, we present a new filter material based on three-dimensional (3D) silver nanoparticle (AgNP)-coated substrates for water treatment. We prepared AgNP-coated active carbon materials and tested their antimicrobial efficacy against phytopathogenic bacterial and fungal spores, such as Pseudomonas sp., and Fusarium sp. We then conducted large-scale tests in a dynamic flow setting and evaluated the effect of the filter on Pythium root rot control of hydroponically grown cucumbers. Results indicated that killing efficiencies of 3D coating were greater than 95% in the laboratory and that cucumber plants had no root infection in AgNP-AC filter treatment. The developed technique is approved to be a very efficient approach and has a great potential to be used in the greenhouse to manage plant root diseases.

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