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http://dx.doi.org/10.5423/RPD.2003.9.3.162

Sporulation of Cercospora capsici causing Cercospora leaf spot of Pepper  

Lim Yang-Sook (Gyeongbuk Agricultural Techology Administration)
Kim, Byung-Soo (Department of Horticulture, Kyungpook National Unversity)
Publication Information
Research in Plant Disease / v.9, no.3, 2003 , pp. 162-165 More about this Journal
Abstract
High sporulation method and cultural characteristics of Cercospora capsici causing Cercospora leaf spot of pepper were examined. Optimum temperature for mycelial growth of Cercospora capsici was $25^{\circ}C$. The fungus did not grow below $5^{\circ}C$ and over $35^{\circ}C$. Optimum pH for mycelial growth was pH 4.0~pH 8.0. Mycelial growth was not influenced by light. C. capsici sporulated well on pepper leaf agar (5g/l). A standard method of sporulation established was as follows. The mycelial plugs were ground with some water in motar with pestle. The mycelial suspension was smeared on the surface of medium and incubated for 2~3 days at $20^{\circ}C$. The culture surface was lightly scraped with a brush after adding 1 ml of sterile water to stimulate sporulation and further incubated for 2~3 days.
Keywords
Cercospora capsici; cercospora leaf spot; cultural characteristics; pepper; sporulation;
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