Research in Plant Disease 2004;10(4):345-348.
Published online December 31, 2004.
Gliocladium vermoeseni에 의한 야자 분홍썩음병(가칭)
한경숙*, 박종한, 이중섭, 서상태, 장한익
원예연구소 원예환경과
 
Pink Rot of Palms Caused by Gliocladium vermoseni
Kyung-Sook Han*, Jong-Han Park, Jung-Sup Lee, Sang-Tae Seo, Han-Ik Jang
Division of Holticultural Environment, National Holticultural Research Institute, Suwon 441-440, Korea
Correspondence:  Kyung-Sook Han,Phone)+82-31-290-6233, Fax)+82-31-290-9548, E-mail)kshan9@rda.go.kr
Received: November 04, 2004
Abstract
Pink rot of Palm was occurred at Yeuju area in 2001 and 2003. Infected plants showed rotting at the leaf-stock bases and killing of the terminal bud. The first symptoms are dark brown necrotic areas on the stem. Bases of infected frond may be covered with pink spores and the spots produced oozing gum pockets. Oozing lesions occur on the stems, and leaves turn brown and droop. The causal agent were isolated from salmon-pink spores sporulating on the leaf sheaths and necrotic stem tissues. Pathogen were isolated from freshly infected tissues were identified as Gliocladium vermoseni based on mycological characteristics. Fungus were grown plenty on PDA culture. Temperature for mycelial grown was tested at 5 to 40°C and optimal temperature was 25°C and was not nearly grew at temperature above 35°C. Artificial pathogenicity were tested on 9 species of Palm family in the wound inoculation and symptoms showed similar to those observed in the field. This is the first report on pink rot of palm in Korea.
Key Words: Gliocladium vermoseni, Palm, Pink rot


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