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Title 

Fungicide sensitivity and characterization of cobweb disease on a Pleurotus eryngii mushroom crop caused by Cladobotryum mycophilum

Authors 

M K KimS W SeukY H LeeHye Ran KimK M Cho

Publisher 

Han Rim Won Publishing Company

Issue Date 

2014

Citation 

Plant Pathology Journal, vol. 30, no. 1, pp. 82-89

Keywords 

Cladobotryum mycophilumCobweb diseaseFungal pathogenFungicidesPleurotus eryngii

Abstract 

In 2009-2010, unusual symptoms were observed on Pleurotus eryngii grown in mushroom farms in Gyeongnam Province, Republic of Korea. One of the main symptoms was a cobweb-like growth of fungal mycelia over the surface of the mushroom. The colonies on the surface rapidly overwhelmed the mushrooms and developed several spores within 3-4 days. The colonized surface turned pale brown or yellow. The fruit body eventually turned dark brown and became rancid. Koch's postulates were completed by spraying and spotting using isolated strains. The phylogenetic tree obtained from the internal transcribed spacer sequence analysis showed that the isolated fungal pathogen corresponded to Cladobotryum mycophilum (99.5%). In the fungicide sensitivity tests, the ED50 values for the isolate with respect to benomyl and carbendazim were from 0.29 to 0.31 ppm. Benzimidazole fungicides were most effective against C. mycophilum, a causal agent of cobweb disease in P. eryngii.

ISSN 

1598-2254

Link 

http://dx.doi.org/10.5423/PPJ.OA.09.2013.0098

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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