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Molecular characterization of Trichoderma taxa causing green mould disease in edible mushrooms

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Title Molecular characterization of Trichoderma taxa causing green mould disease in edible mushrooms
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Creator Singh, SK, VP Sharma, SR Sharma and S Kumar
 
Subject Molecular characterization, Trichoderma green mould disease, edible mushrooms
 
Description Not Available
Trichoderma taxa associated with green mould disorder of edible mushrooms were isolated from both fruit bod- ies and substrates of Agaricus bisporus, A. b itorquis, Calocybe indica, Ganoderma lucidum, Lentinula edodes, Pleurotus sajor-caju, and Volvariella volvacea. Emerged fruiting bodies in the affected portion of the substrate were badly spotted, brownish in colour and reduced in both growth rate and yield performance. Microscopic examination of cultures revealed significant differences in fungal morphology, but were difficult to de signate as Trichoderma species. The nucleotide sequence compari- sons of 5.8S rRNA gene using BLAST network facili- tated molecular identification and genetic cataloguing of 18 Trichoderma isolates into two taxa, namely T. harzianum and T. virens . RAPD primers exhibited both inter- and intra-specific variations among the test isolates and separated them into eight distinct phylog e- netic sub -clades. The present study underlines the p o- tential threat of green mould disorders in cult ivated mushrooms and validates existence of significant i n- traspecific diversity in isolates of both T. harzianum and T. virens.
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Date 2022-08-05T07:20:18Z
2022-08-05T07:20:18Z
2006-01-01
 
Type Journal
 
Identifier Singh, Sunil & Sharma, V. & Sharma, S. & Kumar, Satish & Tiwari, Mugdha. (2006). Molecular characterization of Trichoderma taxa causing green mould disease in edible mushrooms. Curr Sci. 90.
ISSN: 0011-3891
http://krishi.icar.gov.in/jspui/handle/123456789/73705
 
Language English
 
Relation Not Available;
 
Publisher Indian Academy of Sciences