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KMID : 1160220100380010039
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Mycobiology
2010 Volume.38 No. 1 p.39 ~ p.45
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The Effect of Nano-Silver Liquid against the White Rot of the Green Onion Caused by Sclerotium cepivorum
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Jung Jin-Hee
Kim Sang-Woo
Min Ji-Seon
Kim Young-Jae
Lamsal Kabir
Kim Kyoung-Su
Lee Youn-Su
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Abstract
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White rot, which is caused by Sclerotium cepivorum, is a lethal disease affecting green onions. Three different types of nanosilver liquid (WA-CV-WA13B, WA-AT-WB13R, and WA-PR-WB13R) were tested in several different concentrations on three types of media to assess their antifungal activities. Results from in vitro experiments showed that all three of the nano-silver liquids had more than 90% inhibition rates at a concentration of 7 ppm. Greenhouse experiments revealed that all of the nano-silver liquids increased biomass and dry weights, and there were minimal changes in the population of various bacteria and fungi from the soil of greenhouse-cultivated green onions. In addition, a soil chemical analysis showed that there were minimal changes in soil composition.
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KEYWORD
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Green onion, Nano-silver, Sclerotium cepivorum, Soil microbes
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