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2018 Vol.30, Issue 3 Preview Page

Research Article

Effect of Non-thermal Atmospheric Plasma Treatment on Alternaria alternata and Botrytis cinerea

저온 대기압 플라즈마를 이용한 저장성병원균 Alternaria alternata 및 Botrytis cinerea의 제어 효과

S. M. Go1
,
Kim H. S.2
,
M. R. Park3
,
R. D. Jeong4*
고 선민1
,
김 현승2
,
박 미리3
,
정 래동4*
1Researcher, Department of Applied Biology, Chonnam National University, Gwangju 61185, Korea
2Researcher, Plasma Application R&D Division, Cheorwon Plasma Research Institute, Cheorwon 24047, Korea
3Senior Researcher, Plasma Application R&D Division, Cheorwon Plasma Research Institute, Cheorwon 24047, Korea
4Professor, Department of Applied Biology, Chonnam National University, Gwangju 61185, Korea
1전남대학교 농업생명대학 응용생물학과 연구원
2(재)철원플라즈마산업기술연구원 플라즈마응용사업본부 연구원
3(재)철원플라즈마산업기술연구원 플라즈마응용사업본부 책임연구원
4전남대학교 농업생명대학 응용생물학과 교수
* Corresponding Author
December 2018. pp. 161-169
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Abstract

Non-thermal atmospheric plasma (NTAP) has been shown to be effective for controlling postharvest fungi in vitro, but little is known about its mode of action, fungal response to NTAP, and the effect of its application on fresh produce. Non-thermal atmospheric plasma was evaluated for its in vitro and in vivo antifungal activity against Alternaria alternata and Botrytis cinerea on paprika. The treatment with NTAP treatment resulted in complete inhibition of mycelial growth of A. alternata, and B. cinerea, particularly at 1000 W for 90 s. The results of in vivo assays demonstrated that NTAP treatment for 90 s inhibited the growth of these fungal pathogens by approximately 55% (A. alternata) and 20% (B. cinerea). The color and hardness of paprika exhibited no significant changes during 7 days of storage after NTAP treatment. The mechanisms by which NTAP treatment decreased fungal growth on paprika were directly associated with the disruption of fungal cell membrane. These findings suggest that the application of NTAP is an effective antifungal treatment approach for preserving paprika.

Keywords
Alternaria alternata
Botrytis cinerea
Inhibition
Non-thermal atmospheric plasma
Paprika
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Information
  • Publisher :Agriculture and Life Sciences Research Institute, Kangwon National University
  • Publisher(Ko) :None
  • Journal Title :Journal of Agricultural, Life and Environmental Sciences
  • Volume : 30
  • No :3
  • Pages :161-169
  • Received Date : 2018-11-05
  • Revised Date : 2018-11-13
  • Accepted Date : 2018-11-14
  • DOI :https://doi.org/10.22698/jales.20180018
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