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http://dx.doi.org/10.5941/MYCO.2014.42.3.269

Identification of Acremonium acutatum and Trichothecium roseum isolated from Grape with White Stain Symptom in Korea  

Oh, Soh-Young (Research Institute of International Agriculture, Technology and Information, Hankyong National University)
Nam, Ki-Woong (Research Institute of International Agriculture, Technology and Information, Hankyong National University)
Yoon, Deok-Hoon (Research Institute of International Agriculture, Technology and Information, Hankyong National University)
Publication Information
Mycobiology / v.42, no.3, 2014 , pp. 269-273 More about this Journal
Abstract
During 2010 and 2012 grape harvest seasons in Gyeonggi-do, Korea, a white stain symptom was observed on the harvested grape fruits in 'Campbell-Early' and 'Kyoho' varieties. In samples collected from the infected vine, two different strains of pathogenic fungi have been found and identified as Acremonium acutatum and Trichothecium roseum based on fungal morphology and nucleotide sequence of internal transcribed spacer (ITS) and supported by the phylogenetic analysis of the rDNA-ITS region. The DNA homologies of the isolated strains were 99.8% and 99.6% identical with T. roseum (IFB-22133) and A. acutatum (CBS682.71), respectively. In the pathogenicity test, the spores of A. acutatum and T. roseum sprayed on the grapes caused white stain symptoms on the fruits in two weeks after the artificial inoculation, which is similar to observations in the field. To our knowledge, this is the first report of white stain symptoms caused by A. acutatum and T. roseum on the grapes in Korea.
Keywords
Acremonium acutatum; Grape; Trichothecium roseum; White stain symptom;
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Times Cited By KSCI : 5  (Citation Analysis)
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