Antifungal Activities of <i>Ageratum conyzoides</i> L. Extract against Rice Pathogens <i>Pyricularia oryzae</i> Cavara and <i>Rhizoctonia solani</i> Kühn
Blast disease and sheath blight disease caused by infection with <i>Pyricularia oryzae</i> and <i>Rhizoctonia solani</i>, respectively, are serious fungal diseases in paddy fields. Although synthetic fungicides have been used to control these diseases, the development of ecol...
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2021-11-01
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author | Cuong C. Nguyen Thanh Q. C. Nguyen Kenji Kanaori Tran Duy Binh Xuyen H. T. Dao Le Van Vang Kaeko Kamei |
author_facet | Cuong C. Nguyen Thanh Q. C. Nguyen Kenji Kanaori Tran Duy Binh Xuyen H. T. Dao Le Van Vang Kaeko Kamei |
author_sort | Cuong C. Nguyen |
collection | DOAJ |
description | Blast disease and sheath blight disease caused by infection with <i>Pyricularia oryzae</i> and <i>Rhizoctonia solani</i>, respectively, are serious fungal diseases in paddy fields. Although synthetic fungicides have been used to control these diseases, the development of ecologically friendly alternatives is required because fungicides can cause health problems and environmental pollution. Natural herbs possessing antifungal activities are among the candidates as alternatives. <i>Ageratum conyzoides</i> is known to contain antifungal compounds, such as precocene II and polymethoxyflavones. Here, we report the antifungal activities of five compounds isolated after ethanol extraction from <i>Ageratum conyzoides</i> against <i>Pyricularia oryzae</i> and <i>Rhizoctonia solani</i> in vitro. Further, we demonstrated the protective effect of the extract on rice from <i>Pyricularia oryzae</i> infection by field trial testing in a shaded net-house. |
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language | English |
last_indexed | 2024-03-10T05:47:47Z |
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spelling | doaj.art-19a611d6d53d4a1383360ad68eb2cddb2023-11-22T22:00:15ZengMDPI AGAgriculture2077-04722021-11-011111116910.3390/agriculture11111169Antifungal Activities of <i>Ageratum conyzoides</i> L. Extract against Rice Pathogens <i>Pyricularia oryzae</i> Cavara and <i>Rhizoctonia solani</i> KühnCuong C. Nguyen0Thanh Q. C. Nguyen1Kenji Kanaori2Tran Duy Binh3Xuyen H. T. Dao4Le Van Vang5Kaeko Kamei6Department of Functional Chemistry, Kyoto Institute of Technology, Kyoto 606-8585, JapanDepartment of Functional Chemistry, Kyoto Institute of Technology, Kyoto 606-8585, JapanDepartment of Functional Chemistry, Kyoto Institute of Technology, Kyoto 606-8585, JapanDepartment of Functional Chemistry, Kyoto Institute of Technology, Kyoto 606-8585, JapanDepartment of Plant Protection, College of Agriculture, Can Tho University, Can Tho City 900000, VietnamDepartment of Plant Protection, College of Agriculture, Can Tho University, Can Tho City 900000, VietnamDepartment of Functional Chemistry, Kyoto Institute of Technology, Kyoto 606-8585, JapanBlast disease and sheath blight disease caused by infection with <i>Pyricularia oryzae</i> and <i>Rhizoctonia solani</i>, respectively, are serious fungal diseases in paddy fields. Although synthetic fungicides have been used to control these diseases, the development of ecologically friendly alternatives is required because fungicides can cause health problems and environmental pollution. Natural herbs possessing antifungal activities are among the candidates as alternatives. <i>Ageratum conyzoides</i> is known to contain antifungal compounds, such as precocene II and polymethoxyflavones. Here, we report the antifungal activities of five compounds isolated after ethanol extraction from <i>Ageratum conyzoides</i> against <i>Pyricularia oryzae</i> and <i>Rhizoctonia solani</i> in vitro. Further, we demonstrated the protective effect of the extract on rice from <i>Pyricularia oryzae</i> infection by field trial testing in a shaded net-house.https://www.mdpi.com/2077-0472/11/11/1169antifungalalternative antimicrobialsplant extracts<i>Ageratum conyzoides</i>rice pathogen<i>Pyricularia oryzae</i> |
spellingShingle | Cuong C. Nguyen Thanh Q. C. Nguyen Kenji Kanaori Tran Duy Binh Xuyen H. T. Dao Le Van Vang Kaeko Kamei Antifungal Activities of <i>Ageratum conyzoides</i> L. Extract against Rice Pathogens <i>Pyricularia oryzae</i> Cavara and <i>Rhizoctonia solani</i> Kühn Agriculture antifungal alternative antimicrobials plant extracts <i>Ageratum conyzoides</i> rice pathogen <i>Pyricularia oryzae</i> |
title | Antifungal Activities of <i>Ageratum conyzoides</i> L. Extract against Rice Pathogens <i>Pyricularia oryzae</i> Cavara and <i>Rhizoctonia solani</i> Kühn |
title_full | Antifungal Activities of <i>Ageratum conyzoides</i> L. Extract against Rice Pathogens <i>Pyricularia oryzae</i> Cavara and <i>Rhizoctonia solani</i> Kühn |
title_fullStr | Antifungal Activities of <i>Ageratum conyzoides</i> L. Extract against Rice Pathogens <i>Pyricularia oryzae</i> Cavara and <i>Rhizoctonia solani</i> Kühn |
title_full_unstemmed | Antifungal Activities of <i>Ageratum conyzoides</i> L. Extract against Rice Pathogens <i>Pyricularia oryzae</i> Cavara and <i>Rhizoctonia solani</i> Kühn |
title_short | Antifungal Activities of <i>Ageratum conyzoides</i> L. Extract against Rice Pathogens <i>Pyricularia oryzae</i> Cavara and <i>Rhizoctonia solani</i> Kühn |
title_sort | antifungal activities of i ageratum conyzoides i l extract against rice pathogens i pyricularia oryzae i cavara and i rhizoctonia solani i kuhn |
topic | antifungal alternative antimicrobials plant extracts <i>Ageratum conyzoides</i> rice pathogen <i>Pyricularia oryzae</i> |
url | https://www.mdpi.com/2077-0472/11/11/1169 |
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