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Ozone-mist spray sterilization for pest control in agricultural management *

Published online by Cambridge University Press:  18 February 2013

Kenji Ebihara
Affiliation:
Environment and Energy Laboratory, Fukuoka City, Japan Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan
Fumiaki Mitsugi
Affiliation:
Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan
Tomoaki Ikegami
Affiliation:
Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan
Norihito Nakamura
Affiliation:
Sanwa hi-tech Co. Ltd, 210-29, Yoshitomi, Shisui-machi Kikuchi City, Kumamoto Pref., 861-1201 Japan
Yukio Hashimoto
Affiliation:
Sanwa hi-tech Co. Ltd, 210-29, Yoshitomi, Shisui-machi Kikuchi City, Kumamoto Pref., 861-1201 Japan
Yoshitaka Yamashita
Affiliation:
Sanwa hi-tech Co. Ltd, 210-29, Yoshitomi, Shisui-machi Kikuchi City, Kumamoto Pref., 861-1201 Japan
Seiji Baba
Affiliation:
Densoken Co. Ltd, 7-9-405 Hanamigawa, Hanamigawa-ku, Chiba City, Japan
Henryka D. Stryczewska*
Affiliation:
Lublin University of Technology, Nadbystrzycka 38A, 20-618 Lublin, Poland
Joanna Pawlat
Affiliation:
Lublin University of Technology, Nadbystrzycka 38A, 20-618 Lublin, Poland
Shinriki Teii
Affiliation:
Lunghwa University of Science and Technology, Wanshou Rd., Taoyuan, Taiwan, Republic of China
Ta-Lun Sung
Affiliation:
Lunghwa University of Science and Technology, Wanshou Rd., Taoyuan, Taiwan, Republic of China
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Abstract

We developed a portable ozone-mist sterilization system to exterminate pests (harmful insects) in agricultural field and greenhouse. The system is composed of an ozone generator, an ozone-mist spray and a small container of ozone gas. The ozone generator can supply highly concentrated ozone using the surface dielectric barrier discharge. Ozone-mist is produced using a developed nozzle system. We studied the effects of ozone-mist spray sterilization on insects and agricultural plants. The sterilization conditions are estimated by monitoring the behavior of aphids and observing the damage of the plants. It was shown that aphids were exterminated in 30 s without noticeable damages of the plant leaves. The reactive radicals with strong oxidation potential such as hydroxyl radical (*OH), hydroperoxide radical (*HO2), the superoxide ion radical (*O2) and ozonide radical ion (*O3) can increase the sterilization rate for aphids.

Type
Research Article
Copyright
© EDP Sciences, 2013

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Footnotes

*

Contribution to the Topical Issue “13th International Symposium on High Pressure Low Temperature Plasma Chemistry (Hakone XIII)”, Edited by Nicolas Gherardi, Henryca Danuta Stryczewska and Yvan Ségui.

References

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