Research in Plant Disease 2011;17(1):75-77.
Published online April 30, 2011.
Botrytis cinerea에 의한 바이올렛 잿빛곰팡이병
김형무
 
Gray Mold on Saintpaulia ionantha Caused by Botrytis cinerea in Korea
Hyung Moo Kim
Abstract
Gray mold caused by Botrytis cinerea occurred on Saintpaulia ionantha in flower shop of the Jeonju city in Korea. Typical symptoms with brown water-soaked and rotting lesions were appeared on the flowers, leaves and petiole of infected plants. Many conidia spores appeared on the lesions under humid conditions. Colonies were grayish brown and sclerotial formation on potato dextrose agar. Conidia were one celled, mostly ellipsoidal or ovoid in shape, and were colorless to pale brown in color. The conidia were 7~14×5~9 μm in size. Based on pathogenicity and morphological characteristics of the isolated fungus, the causal fungus was identified as B. cinerea Persoon: Fries. Gray mold of S. ionantha was proposed to the name of this disease.
Key Words: Botrytis cinerea, Gray mold, Saintpaulia ionantha


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