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Agronomy
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Application of Plasma and Pulsed Power Technology in Agriculture and...
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Application of Plasma and Pulsed Power Technology in Agriculture and Food Processing

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Innovative Cropping Systems".

Deadline for manuscript submissions: closed (30 June 2024) | Viewed by 4278

Special Issue Editors

Prof. Dr. Koichi Takaki

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Guest Editor
1. Faculty of Science and Engineering, Iwate University, Iwate 020-8550, Japan
2. Agri-Innovation Center, Iwate University, Iwate 020-8550, Japan
Interests: pulsed power; high voltage; plasma; electrical discharge; bio-application
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Nobuya Hayashi

E-Mail Website
Guest Editor
Interdisciplinary Graduate School of Engineering Sciences, Kyusyu University, Kasuga, Fukuoka 819-0395, Japan
Interests: pulsed power; high-voltage; plasma; electrical discharge; bio-application
Special Issues, Collections and Topics in MDPI journals
Dr. Douyan Wang

E-Mail Website
Guest Editor
Institute of Industrial Nanomaterials, Kumamoto University, Chuo-ku, Kumamoto 860-8555, Japan
Interests: pulsed power; high-voltage; plasma; electrical discharge; bio-application
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Takayuki Ohshima

E-Mail Website
Guest Editor
Division of Environmental Engineering Science, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, Gunma 376-8515, Japan
Interests: pulsed power; high-voltage; plasma; electrical discharge; bio-application

Special Issue Information

Dear Colleagues,

Innovative technologies with regard to food production (preharvest in agriculture) and preservation (postharvest) are required to meet the emerging challenges of food safety in the complexities of the modern food supply chain. Pulsed power technologies, including high-voltage and plasma technologies, have been applied in agricultural and food processing industries, and are a promising candidate for innovative technology which contributes to a sustainable food supply chain. To accelerate the progress of this new technology, sharing information related to pulsed power applications in agriculture and food processing is important.

This Special Issue is mainly focused on following topics: 1) pulsed-power generators and plasma devices for agriculture and food processing; 2) innovative and novel applications of high-voltage and plasma in agriculture; 3) interactions between pulse-electric fields (or plasma) and metabolism of plants; 4) inactivation of pathogenic bacteria; and 5) maintaining the freshness of agricultural products.

Prof. Dr. Koichi Takaki
Prof. Dr. Nobuya Hayashi
Dr. Douyan Wang
Prof. Dr. Takayuki Ohshima 
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • pulsed power
  • plasma
  • pulse electric field
  • food processing
  • enzyme activity control
  • food preservation
  • plant hormone control
  • seed germination
  • plant growth promotion
  • bacteria inactivation

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

11 pages, 3803 KiB  
Article
Persistence of Growth Enhancement Induced by Oxygen Plasma Irradiation Seed and Leaf
by Shameem Ahmed, Sayma Khanom and Nobuya Hayashi
Agronomy 2023, 13(6), 1579; https://doi.org/10.3390/agronomy13061579 - 11 Jun 2023
Cited by 1 | Viewed by 1149
Abstract
The variation of gene expression of seeds or leaves of Arabidopsis thaliana was investigated by irradiation with oxygen and air plasmas. The irradiation with oxygen plasma reported on the growth promotion and induced the consequence of gene expression in plant cells by neutral [...] Read more.
The variation of gene expression of seeds or leaves of Arabidopsis thaliana was investigated by irradiation with oxygen and air plasmas. The irradiation with oxygen plasma reported on the growth promotion and induced the consequence of gene expression in plant cells by neutral active oxygen species. The increase in leaf area ratio by oxygen plasma to seeds was due to epigenetics such as activation of DNA demethylation transcription factors and the growth enhancement effect induced by the plasma irradiation of seeds was inherited by next-generation cells through cell division even after germination. In oxygen irradiation for 10 s, expression of each de-DNA methylation-related gene increased, and DNA methylation-related genes decreased in expression. DNA acetylation that induces gene expressions was suppressed. However, irradiated for 20 s by oxygen, both demethylation suppression and promotion and methylation/acetylation suppression and promotion were obtained. On the other hand, methylation and demethylation may occur at the same time but were not significant and the acetylation was suppressed by air plasma irradiation. In both cases, active oxygen species was the key factor for the variation of gene expression. Full article
(This article belongs to the Special Issue Application of Plasma and Pulsed Power Technology in Agriculture and Food Processing)
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12 pages, 4183 KiB  
Article
Germination and Growth Improvement of Some Micro-Greens under the Influence of Reactive Species Produced in a Non-Thermal Plasma (NTP)
by Iuliana Motrescu, Mihai Alexandru Ciolan, Anca Elena Calistru and Gerard Jitareanu
Agronomy 2023, 13(1), 150; https://doi.org/10.3390/agronomy13010150 - 2 Jan 2023
Cited by 9 | Viewed by 2394
Abstract
Micro-greens or sprouts are commonly used in the diet of many cultures owing to their health benefits. In this work we use a non-chemical solution method to stimulate the germination and growth of seeds used for sprouting, based on non-thermal plasma discharge (NTP). [...] Read more.
Micro-greens or sprouts are commonly used in the diet of many cultures owing to their health benefits. In this work we use a non-chemical solution method to stimulate the germination and growth of seeds used for sprouting, based on non-thermal plasma discharge (NTP). Such a technology could represent an alternative not only for reducing the production costs for growing micro-greens but also as a pre-sowing method for slow germinating species or those under draught stress. To evaluate the efficiency of the treatments, Brassica oleracea and Lepidium sativum seeds were exposed to a non-thermal plasma discharge produced in atmospheric air in different conditions. The strongest modifications were recorded when the discharge was produced in a closed environment when the reactive species produced in air remained in high concentrations near the seeds. The garden cress exhibited stronger modifications, with a decreasing of the water contact angle of the seeds by up to about 14%, which means an increase of the hydrophilicity of the surface of the seeds. The stimulation of the growth was evaluated as an increase of the average stem length of (9 ± 0.4)% and of the root length of (38 ± 0.5)% as compared to sprouts grown from untreated seeds. This indicated that the reactive species were not only interacting with the surface of the seeds as proved by electron microscopy imaging but also penetrated inside the seeds, activating biological pathways that lead to the stimulation of growth in this case. A noticeable influence produced by the reactive species was also reflected in the biochemical results, where the analysis of the chlorophyll pigments indicated strong modifications, especially under the intensified action of the reactive species. The results prove an important contribution from the reactive species and show the possibility of using this technology to improve the growth of these micro-greens, reducing production time and even presenting the possibility of treating packaged seeds. Full article
(This article belongs to the Special Issue Application of Plasma and Pulsed Power Technology in Agriculture and Food Processing)
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