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http://dx.doi.org/10.5423/RPD.2006.12.1.010

Effect of Temperature on Pathogen Growth and Damage Analysis of Leaf Spot Disease on Grapevine Caused by Paeudocercospora vitis in Korea  

Park Jong-Han (Horticultural Environment Division, National Horticultural Research Institute)
Han Kyeong-Suk (Horticultural Environment Division, National Horticultural Research Institute)
Lee Jung-Sup (Horticultural Environment Division, National Horticultural Research Institute)
Seo Sang-Tae (Horticultural Environment Division, National Horticultural Research Institute)
Jang Han-Ik (Horticultural Environment Division, National Horticultural Research Institute)
Kim Heung-Tae (Department of Plant Medicine, Chungbuk Natl. University)
Publication Information
Research in Plant Disease / v.12, no.1, 2006 , pp. 10-14 More about this Journal
Abstract
This study was carried out to know damages of the grapevine trees by the disease to the leaf spot from 2000 to 2003. The isolates collected from different varieties and locations were identified as Pseudocercospora vitis ($(L\acute{e}v)$.) Speg. based on the morphological and cultural characteristics. According to the in vitro test, the range of temperatures for the mycerial growth and the conidical germination of the fungus were from $10^{\circ}C\;to\;35^{\circ}C$ and optimum temperature was $25^{\circ}C$. There were remarkably different features between a low infection trees group and high infection trees group in terms of number of leaves per fruit branch, length and diameter of internode and leaf area.
Keywords
Damage analysis; Grapevine; Leaf spot; Pseudocercospora vitis;
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