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Sensitivity to Ergosterol Biosynthesis Inhibiting-Fungicides of Colletotrichum gloeosporioides Isolated from Persimmon Trees  

Lim, Tae-Heon (Research Institute of Agri-Bio Science, Samhoub, Co., Ltd.)
Lee, Dong-Woon (Department of Applied Biology, Kyungpook National University)
Choi, Yong-Hwa (Department of Plant Resources, Kyungpook National University)
Lee, Sang-Myeong (Southern Forest Research Center, Korea Forest Research Institute)
Han, Sang-Sub (Department of Forest Resources, Chonbuk National University)
Cha, Byeong-Jin (Department of Plant Medicine, Chungbuk National University)
Publication Information
The Korean Journal of Pesticide Science / v.13, no.3, 2009 , pp. 171-176 More about this Journal
Abstract
In 2008, 110 isolates of Colletotrichum gloeosporioides were obtained from infected twigs of persimmon collected at Sangju and five fungicides (prochloraz manganese complex, tebuconazole, mancozeb+myclobutanil, fluquinconazole+prochloraz, and tebuconazole+tolyfluanid) were evaluated to determine their growth on fungicide-medium. Among them, the mycelial growth of 97.3 and 98.2% of isolates was inhibited over 91% in response to prochloraz ($250\;{\mu}g/m{\ell}$) and tebuconazole ($125\;{\mu}g/m{\ell}$), respectively, compared to untreated control. In response to mancozeb+myclobutanil, fluquinconazole+prochloraz, and tebuconazole+tolyfluanid, isolates of 96.4, 99.1 and 96.4% of them were inhibited by fungicides, respectively. Isolates showed the highest sensitivity to fluquinconazole+prochloraz among 5 fungicides. The correlation between tebuconazole and tebuconazole+tolyfluanid was higher (r=0.85).
Keywords
Anthracnose; fungicide; persimmon; sensitivity;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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