Research in Plant Disease 2003;9(1):36-38.
Published online March 30, 2003.
Fusarium oxysporum에 의한 브룬펠지아 줄기마름병
한경숙, 박종한, 이중섭, 최용문
 
Stem Blight of Brunfelsia Caused by Fusarium oxysporum
Kyoung Suk Han, Jong Han Park, Jung Sup Lee, Young Moon Choi
Abstract
Stem blight of brunfelsia (Brunfelsia calycina) caused by Fusarium oxysporum was found in greenhouse around Sungnam area, Kyunggi province, Korea in September 2001. The initial infection appeared as a slight wilting of the foliage, turned yellow from the lower leaves. The yellowing leaves were falled, resulting in blight of stem and eventual death of the entire plant. The vascular tissue of a diseased plants became dark brown and browning of the vascular system was a characteristic of this disease and the pith remained healthy. Isolates obtained from the lesions of the diseased plant were identified as F. oxysporum, based on the morphological characteristics of conidia. Symptom by artificial inoculation was same to the symptom of naturally infected plants. This is the first report demonstrating the stem blight on a brunfelsia caused by F. oxysporum in Korea, and we proposed to name this disease "stem blight of brunfelsia".
Key Words: Brunfelsia, Brunfelsia calycina, Fusarium oxysporum, stem blight


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