Research in Plant Disease 2007;13(3):216-219.
Published online December 30, 2007.
Botrytis cinerea에 의한 매실나무 잿빛곰팡이병 발생
권진혁, 김원일, 박창석
 
Occurrence of Gray Mold on Prunus mume Caused by Botrytis cinerea in Korea
Jin Hyeuk Kwon, Won Il Kim, Chang Seuk Park
Abstract
Gray mold caused by Botrytis cinerea occurred on Prunus mume Sieb. & Zucc. in an experimetal orchard of Gyeongsangnam-do Agricultural Research and Extension Services in Korea from 2005 to 2007. The symptoms usually started with water-soaking lesions and hollow depression on the fruit surface. The conidia of the pathogen appeared on the surface fruits. The conidia were one celled and mostly ellipsoid or ovoid in shape and were colorless or pale brown in color. The conidia were 6~17 × 4~10 μm in size and conidiophores were 15~30 μm in length. The sclerotia formed abundantly on potato-dextrose agar. They were flat or irregular in shape and black in color The optimum temperature for sclerotial formation was 20℃. On the basis of mycological characteristics and pathogenicity test on host plants, the fungus was identified as Botrytis cinerea Persoon: Fries. This is the first report on gray mold of P. mume caused by B. cinerea by in Korea.
Key Words: Botrytis cinerea, Gray mold, Prunus mume


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