Research in Plant Disease 2002;8(1):63-65.
Published online March 30, 2002.
Botrytis fabae에 의한 잠두 붉은점무늬병
권진혁, 강수웅, 김정수, 박창석
 
Red Spot of Broad Bean (Vicia faba) Caused by Botrytis fabae
Jin Hyeuk Kwon, Soo Woong Kang, Jeong Soo Kim, Chang Seuk Park
Abstract
Red spot disease was found on broad bean (Vicia faba) in several farmer`s field located in Changseon-myon, Namhae-gun, Gyeongnam provice in Korea. The typical symptoms of the disease were appeared on leaves and stems. The infection rates of the disease in the surveyed area were ranged from 16.4 to 84.6%. Lesions on the leaves were round with 1~4.2 mm in size and on the stem were narrow long fusiform with 1~15 mm in size. Conidia and conidiaphores were not readily formed on PDA, however, a few conidia were formed on PDA added in extracts of 10 g of broad bean leaves. Conidia were light yellow green in color, globose or obovoid in shape, and 10~24×8~22 mm in size. Conidiophores were cylindrical in shape, light brown in color and 3.6~12.8 mm in wide. Sclerotia of the fungus were readily formed in artificial media such as PDA. They were ellipsoid to irregular in shape, 1.2~11.8 mm in size and dark in color. The optimum temperature for growth of the fungus was about 20℃. On the basis of mycological characteristics, the fungus was identified as Botrytis fabae. This is the first report on the red spot of broad bean caused by Botrytis fabae in Korea.
Key Words: Botrytis fabae, broad bean (Vicia faba), red spot


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