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2021 Vol.33, Issue 3 Preview Page

Research Article

Evaluation of the antifungal activity of Trichoderma virens T101b isolated from soil against two plant pathogens

토양으로부터 분리된 Trichoderma virens T101b의 식물병원균 2종에 대한 항진균 활성

Young Don Lee1
,
In Ahn2
,
Khalid Abdallah Hussein3
,
Jin Ho Joo4*
이 영돈1
,
안 인2
,
칼리드 후세인3
,
주 진호4*
1Ph.D Course, Department of Biological Environment, Kangwon National University, Chuncheon 24341, Korea
2Chairman, Export & Marketing co-op of Eco-friendly Food and Agro-materials, Seoul 06774, Korea
3Doctor's Degree, Botany and Microbiology Department, Faculty of Science, Assiut University, 71516, Assiut, Egypt
4Professor, Department of Biological Environment, Kangwon National University, Chuncheon 24341, Korea
1강원대학교 농업생명과학대학 바이오자원환경학과 박사과정
2한국친환경 농식품자재수출마케팅협동조합 이사장
3아씨우트대학교 이학부 식물학미생물학과 박사
4강원대학교 농업생명과학대학 바이오자원환경학과 교수
*Corresponding Author
31 December 2021. pp. 357-363
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Abstract

Recently, the incidence of pathogens has increased due to climate change, which is posing several challenges to various crops. Botrytis cinerea and Sclerotinia sclerotiorum infect several crops and cause severe economic loss to farmers. This study aims to isolate and identify Trichoderma sp. exhibiting antifungal activity against these plant pathogens and also evaluate the antifungal activity of volatile organic compounds (VOCs) produced by Trichoderma sp. The strain Trichoderma virens KNU1 showed high antifungal activity against the two plant pathogens mentioned above (determined seven days after replacement culture; S. sclerotiorum, 87.88% > B. cinerea, 86.67%). Similarly, VOCs showed a high antifungal activity of 82.67% determined after seven days of incubation against B. cinerea. In this study, T. virens T101b showed relatively high antifungal activity against the two plant pathogens, which implies its potential as a biological pesticide.

Keywords
Antifungal activity
Plant pathogens
Trichoderma sp.
VOCs
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Information
  • Publisher :Agriculture and Life Sciences Research Institute, Kangwon National University
  • Publisher(Ko) :강원대학교 농업생명과학대학 농업생명과학연구원
  • Journal Title :Journal of Agricultural, Life and Environmental Sciences
  • Journal Title(Ko) :농업생명환경연구
  • Volume : 33
  • No :3
  • Pages :357-363
  • Received Date : 2021-11-22
  • Revised Date : 2021-11-30
  • Accepted Date : 2021-12-03
  • DOI :https://doi.org/10.22698/jales.20210035
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