Research in Plant Disease 2011;17(2):136-141.
Published online August 30, 2011.
은 나노 용액을 활용한 참나무 시들음병 방제 연구
김상우, 정진희, 거비르람살, 김윤석, 심상준, 김하선, 장석준, 김종국, 김경수, 이윤수
 
Control Efficacy of Nano-silver Liquid on Oak Wilt Caused by Raffaelea sp. in the Field
Sang Woo Kim, Jin Hee Jung, Kabir Lamsal, Yun Seok Kim, Sang Jun Sim, Ha Sun Kim, Seok Joon Chang, Jong Kuk Kim, Kyoung Su Kim, Youn Su Lee
Abstract
In other previous in vitro tests, the hyphal growth of Raffaelea quercivorus was inhibited by the treatments of various concentration of nano-silver. In this field tests, treatment of different concentrations of nano-silver to oak trees in Cheolwon and Hongcheon sites showed the inhibition effects against wilt disease caused by Raffaelea quercivorus. However, nano-silver-treated oak tree in Chuncheon site showed mild wilt symptoms with no phytotoxicity. Scanning electron microscope (SEM) observation confirmed that the spore and hypha of Raffaelea sp. inside the vessels were damaged by nano-silver. This result indicates the application of nanosilver is effective for control of Raffaelea quercivorus in the field.
Key Words: Nano-silver Liquid, Oak wilt disease, Raffaelea quercivorus


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