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Trichoderma metabolites as biological control agents against Phytophthora pathogens

Authors
Bae, Soo-JungMohanta, Tapan KumarChung, Jun YoungRyu, MinjiPark, GweekyoShim, SangheeHong, Seung-BeomSeo, HyunchangBae, Dong-WonBae, InhwanKim, Jong-JooBae, Hanhong
Issue Date
Jan-2016
Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
Keywords
Trichoderma; Phytophthora; Metabolites; Ethyl acetate extract; Biological control
Citation
BIOLOGICAL CONTROL, v.92, pp 128 - 138
Pages
11
Journal Title
BIOLOGICAL CONTROL
Volume
92
Start Page
128
End Page
138
URI
https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/64344
DOI
10.1016/j.biocontrol.2015.10.005
ISSN
1049-9644
1090-2112
Abstract
Trichoderma species are well-known biological control agents. In this study, metabolites from 128 Trichoderma isolates were extracted from liquid cultures using ethyl acetate and tested for their activities against seven Phytophthora isolates. Following preliminary analysis, eight Trichoderma isolates were selected for further tests. Among them, the metabolites from Trichoderma atroviride/petersenii (KACC, Korea Agricultural Culture Collection, 40557) and Trichoderma virens (KACC 40929) showed the strongest inhibitory activities against Phytophthora isolates. Treatment with KACC 40557 extract inhibited Phytophthora growth, induced defense-related genes, and caused plant hormonal changes during Phytophthora infection in the detached leaves of pepper and tomato plants. Our results showed the potential for use of Trichoderma metabolites as biological control agents against Phytophthora pathogens. (C) 2015 Elsevier Inc. All rights reserved.
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