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Investigation of Antifungal Activity for Plant Disease Control by Compost Teas Fermented under Different Temperatures  

Tateda, Masafumi (College of Technology, Toyama Prefectural University)
Yamada, Kanae (College of Technology, Toyama Prefectural University)
Kim, Youngchul (Department of Environmental Engineering, Hanseo University)
Sato, Yukio (Department of Engineering, Toyama Prefectural University)
Publication Information
Journal of Korean Society on Water Environment / v.24, no.3, 2008 , pp. 280-284 More about this Journal
Abstract
Efficacy of antifungal activity on plant pathogens by compost teas fermented under different temperatures was studied. Compost teas are recently chosen by agricultural producers for the better method of controlling plant diseases under increase of public consciousness against use of chemicals for controlling the diseases. Compost tea has been intensively studied; however, understanding of compost tea is still not well developed, and temperature influence during fermentation of compost tea on its antifungal activity has not been investigated. In this study, antifungal activities of compost teas fermented at 10, 20, 30, and $40^{\circ}C$ against selected 10 pathogens were observed. From the results, antifungal activities of compost teas at 20 and $30^{\circ}C$ of fermentation-temperatures showed the strongest while the weakest activity was observed with the compost tea at $10^{\circ}C$. Change of the activity by the fermentation-temperature apparently implied that microbes in the compost tea were strongly involved in its antifungal activity.
Keywords
Aerated compost tea; Antifungal activity; Fermentation-temperature; Plant disease;
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