Chocolate spot disease of Eucalyptus
Chocolate Spot leaf disease of Eucalyptus is associated with several Heteroconium-like species of hyphomycetes that resemble Heteroconium s. str. in morphology. They differ, however, in their ecology, with the former being plant pathogenic, while Heteroconium s. str. is a genus of sooty moulds. Resu...
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th-cmuir.6653943832-513022018-09-04T06:00:01Z Chocolate spot disease of Eucalyptus Ratchadawan Cheewangkoon Johannes Z. Groenewald Kevin D. Hyde Chaiwat To-anun Pedro W. Crous Agricultural and Biological Sciences Chocolate Spot leaf disease of Eucalyptus is associated with several Heteroconium-like species of hyphomycetes that resemble Heteroconium s. str. in morphology. They differ, however, in their ecology, with the former being plant pathogenic, while Heteroconium s. str. is a genus of sooty moulds. Results of molecular analyses, inferred from DNA sequences of the large subunit (LSU) and internal transcribed spacers (ITS) region of nrDNA, delineated four Heteroconium-like species on Eucalyptus, namely H. eucalypti, H. kleinziense, Alysidiella parasitica, and one isolate resembling a novel species in a clade separate from the holotype of Heteroconium, H. citharexyli. Based on molecular phylogeny, morphology and ecology, the Heteroconium-like species associated with Chocolate Spot disease are reclassified in the genus Alysidiella, which is shown to have mycelium that is immersed in and superficial on the host tissue and conidiogenous cells that can have loci that are either inconspicuous or proliferating percurrently. Furthermore, conidiogenous cells can either occur solitary on hyphae, or be sporodochial, arranged on a weakly developed stroma, which further distinguishes Alysidiella from Heteroconium. © 2010 The Author(s). 2018-09-04T06:00:01Z 2018-09-04T06:00:01Z 2012-02-01 Journal 18618952 1617416X 2-s2.0-84856460822 10.1007/s11557-010-0728-8 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84856460822&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/51302 |
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Agricultural and Biological Sciences Ratchadawan Cheewangkoon Johannes Z. Groenewald Kevin D. Hyde Chaiwat To-anun Pedro W. Crous Chocolate spot disease of Eucalyptus |
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Chocolate Spot leaf disease of Eucalyptus is associated with several Heteroconium-like species of hyphomycetes that resemble Heteroconium s. str. in morphology. They differ, however, in their ecology, with the former being plant pathogenic, while Heteroconium s. str. is a genus of sooty moulds. Results of molecular analyses, inferred from DNA sequences of the large subunit (LSU) and internal transcribed spacers (ITS) region of nrDNA, delineated four Heteroconium-like species on Eucalyptus, namely H. eucalypti, H. kleinziense, Alysidiella parasitica, and one isolate resembling a novel species in a clade separate from the holotype of Heteroconium, H. citharexyli. Based on molecular phylogeny, morphology and ecology, the Heteroconium-like species associated with Chocolate Spot disease are reclassified in the genus Alysidiella, which is shown to have mycelium that is immersed in and superficial on the host tissue and conidiogenous cells that can have loci that are either inconspicuous or proliferating percurrently. Furthermore, conidiogenous cells can either occur solitary on hyphae, or be sporodochial, arranged on a weakly developed stroma, which further distinguishes Alysidiella from Heteroconium. © 2010 The Author(s). |
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Journal |
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Ratchadawan Cheewangkoon Johannes Z. Groenewald Kevin D. Hyde Chaiwat To-anun Pedro W. Crous |
author_facet |
Ratchadawan Cheewangkoon Johannes Z. Groenewald Kevin D. Hyde Chaiwat To-anun Pedro W. Crous |
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Ratchadawan Cheewangkoon |
title |
Chocolate spot disease of Eucalyptus |
title_short |
Chocolate spot disease of Eucalyptus |
title_full |
Chocolate spot disease of Eucalyptus |
title_fullStr |
Chocolate spot disease of Eucalyptus |
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Chocolate spot disease of Eucalyptus |
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chocolate spot disease of eucalyptus |
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2018 |
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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84856460822&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/51302 |
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