298 lines
18 KiB
XML
298 lines
18 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.46.32458" ID-GBIF-Dataset="a6861e1e-292f-4bae-a026-41bb3faf1e86" ID-PMC="PMC6389646" ID-Pensoft-Pub="1314-4049--119" ID-PubMed="30814907" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1314-4049--119" ModsDocOrigin="MycoKeys " ModsDocTitle="Neostagonosporellasichuanensis gen. et sp. nov. (Phaeosphaeriaceae, Pleosporales) on Phyllostachysheteroclada (Poaceae) from Sichuan Province, China" checkinTime="1553125563179" checkinUser="pensoft" docAuthor="Yang, Chun-Lin, Xu, Xiu-Lan, Wanasinghe, Dhanushka N., Jeewon, Rajesh, Phookamsak, Rungtiwa, Liu, Ying-Gao, Liu, Li-Juan & Hyde, Kevin D." docDate="2019" docId="A8C3BDCF3E395A4D8150AEA108B8D985" docLanguage="en" docName="MycoKeys 46: 119-150" docOrigin="MycoKeys 46" docSource="http://dx.doi.org/10.3897/mycokeys.46.32458" docTitle="Neostagonosporella sichuanensis C. L. Yang, X. L. Xu & K. D. Hyde, sp. nov." docType="treatment" docVersion="4" lastPageNumber="127" masterDocId="6909FB65FFE6F97D4216FE5EFFB1B337" masterDocTitle="Neostagonosporellasichuanensis gen. et sp. nov. (Phaeosphaeriaceae, Pleosporales) on Phyllostachysheteroclada (Poaceae) from Sichuan Province, China" masterLastPageNumber="150" masterPageNumber="119" pageNumber="126" updateTime="1668136146271" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Neostagonosporellasichuanensis gen. et sp. nov. (Phaeosphaeriaceae, Pleosporales) on Phyllostachysheteroclada (Poaceae) from Sichuan Province, China</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Yang, Chun-Lin</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Xu, Xiu-Lan</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wanasinghe, Dhanushka N.</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Jeewon, Rajesh</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Phookamsak, Rungtiwa</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Liu, Ying-Gao</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Liu, Li-Juan</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hyde, Kevin D.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>MycoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>46</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>119</mods:start>
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<mods:end>150</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/mycokeys.46.32458</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/mycokeys.46.32458</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049--119</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="154473707" LSID="urn:lsid:plazi:treatment:A8C3BDCF3E395A4D8150AEA108B8D985" httpUri="http://treatment.plazi.org/id/A8C3BDCF3E395A4D8150AEA108B8D985" lastPageId="8" lastPageNumber="127" pageId="7" pageNumber="126">
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<subSubSection pageId="7" pageNumber="126" type="nomenclature">
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<paragraph pageId="7" pageNumber="126">
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<taxonomicName LSID="Index Fungorum number: IF555714" authority="C. L. Yang, X. L. Xu & K. D. Hyde" class="Dothideomycetes" family="Phaeosphaeriaceae" genus="Neostagonosporella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neostagonosporella sichuanensis" order="Pleosporales" pageId="7" pageNumber="126" phylum="Ascomycota" rank="species" species="sichuanensis">
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<pageBreakToken pageId="7" pageNumber="126" start="start">Neostagonosporella</pageBreakToken>
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sichuanensis C.L. Yang, X.L. Xu & K.D. Hyde
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</taxonomicName>
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<taxonomicNameLabel pageId="7" pageNumber="126">sp. nov.</taxonomicNameLabel>
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Figs 2, 3
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="126" type="materials_examined">
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<paragraph pageId="7" pageNumber="126">Type.</paragraph>
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<paragraph pageId="7" pageNumber="126">
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CHINA, Sichuan Province,
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<normalizedToken originalValue="Ya’an">Ya'an</normalizedToken>
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City, Yucheng District, Kongping Township, Alt. 1133 m, 29°50.14'N 103°03'E, on living to nearly dead branches of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Phyllostachys" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Phyllostachys heteroclada" order="Poales" pageId="7" pageNumber="126" phylum="Tracheophyta" rank="species" species="heteroclada">Phyllostachys heteroclada</taxonomicName>
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Oliv. (
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<taxonomicName family="Poaceae" lsidName="Edenia" pageId="7" pageNumber="126" rank="family">Poaceae</taxonomicName>
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), 8 April 2016, C.L. Yang and X.L. Xu, YCL201604001 (MFLU 18-1212/ SICAU 16-0001, holotype), ex-type living culture, MFLUCC 18-1228/ SICAUCC 16-0001; Sichuan Province,
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<normalizedToken originalValue="Ya’an">Ya'an</normalizedToken>
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City, Yucheng District, Yanchang Township, Alt. 951 m,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="29.726166">29°43.57'N</geoCoordinate>
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<geoCoordinate direction="east" orientation="longitude" precision="9" value="103.079">103°04.74'E</geoCoordinate>
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, on nearly dead stems of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Phyllostachys" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Phyllostachys heteroclada" order="Poales" pageId="7" pageNumber="126" phylum="Tracheophyta" rank="species" species="heteroclada">Phyllostachys heteroclada</taxonomicName>
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Oliv. (
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<taxonomicName family="Poaceae" lsidName="Edenia" pageId="7" pageNumber="126" rank="family">Poaceae</taxonomicName>
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), 9 April 2017, C.L. Yang and X.L. Xu, YCL201704001 (MFLU 18-1220/ SICAU 17-0001, paratype), ex-type living culture, MFLUCC 18-1231/ SICAUCC 17-0001; Sichuan Province,
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<normalizedToken originalValue="Ya’an">Ya'an</normalizedToken>
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City, Lushan County, Longmen Township, Alt. 949 m,
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<geoCoordinate direction="north" orientation="latitude" precision="9" value="30.262333">30°15.74'N</geoCoordinate>
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<geoCoordinate direction="east" orientation="longitude" precision="9" value="102.98783">102°59.27'E</geoCoordinate>
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, on nearly dead branches of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Phyllostachys" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Phyllostachys heteroclada" order="Poales" pageId="7" pageNumber="126" phylum="Tracheophyta" rank="species" species="heteroclada">Phyllostachys heteroclada</taxonomicName>
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Oliv. (
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<taxonomicName family="Poaceae" lsidName="Edenia" pageId="7" pageNumber="126" rank="family">Poaceae</taxonomicName>
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), 12 September 2017, C.L. Yang and X.L. Xu, YCL201709002 (MFLU 18-1223, paratype).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="126" type="etymology">
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<paragraph pageId="7" pageNumber="126">Etymology.</paragraph>
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<paragraph pageId="7" pageNumber="126">in reference to Sichuan Province where the specimens were collected.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="8" lastPageNumber="127" pageId="7" pageNumber="126" type="description">
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<paragraph pageId="7" pageNumber="126">Description.</paragraph>
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<paragraph lastPageId="8" lastPageNumber="127" pageId="7" pageNumber="126">
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Associated with stem spot disease on living to nearly dead stems and branches of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Phyllostachys" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Phyllostachys heteroclada" order="Poales" pageId="7" pageNumber="126" phylum="Tracheophyta" rank="species" species="heteroclada">Phyllostachys heteroclada</taxonomicName>
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(
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<taxonomicName family="Poaceae" lsidName="Edenia" pageId="7" pageNumber="126" rank="family">Poaceae</taxonomicName>
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). Sexual morph: Ascostromata (0.5-) 1-2 (-4.5)
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8-1.3 mm long (x¯ = 1.9
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<normalizedToken originalValue="×">x</normalizedToken>
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1 mm, n = 50), 230-340
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<normalizedToken originalValue="μm">μm</normalizedToken>
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high (x¯ = 290
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20), ellipsoidal, globose to subglobose or irregular in shape, immersed in host epidermis, becoming raised to superficial, coriaceous, solitary to gregarious, multi-loculate, erumpent through host tissue, with dark brown to black, glabrous, ostiole, usually generating subrhombic to rhombic pale yellow stripes at ascostromatal fringe. Locules 230-300
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<normalizedToken originalValue="μm">μm</normalizedToken>
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high (x¯ = 264
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20), 330-460
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam. (x¯ = 393
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20), clustered, gregarious, globose to subglobose, with a centrally located ostiole, lacking periphyses. Peridium 18-35
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide (x¯ = 27
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20), composed of several layers of small, brown to dark brown pseudoparenchymatous cells of textura angularis, with inner hyaline layer, slightly thin at base, thick at sides towards apex, upper part fused with host tissue. Hamathecium composed of 1-2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(x¯ = 1.59
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 50) wide, filiform, septate, trabeculate, anastomosed pseudoparaphyses, embedded in a hyaline gelatinous matrix. Asci 90-125
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<normalizedToken originalValue="×">x</normalizedToken>
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12.5-14
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(x¯ = 108.1
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<normalizedToken originalValue="×">x</normalizedToken>
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13.3
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 40), 8-spored, bitunicate, fissitunicate, cylindrical to cylindric-clavate, short pedicellate, 7.8-14
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<normalizedToken originalValue="μm">μm</normalizedToken>
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long (x¯ = 11
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n=20), apically rounded with an ocular chamber. Ascospores 30-35
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<normalizedToken originalValue="×">x</normalizedToken>
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6-7
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(x¯ = 31.9
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<normalizedToken originalValue="×">x</normalizedToken>
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6.6
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 50), overlapping bi-seriate, hyaline, cylindrical to fusiform or subcylindric-clavate, with rounded to acute ends, narrower towards end cells, sometimes narrower at lower end cell, straight or slightly curved, 5-8 transversely septa, mostly 7-septate, slightly constricted at septa, nearly equidistant between septa, guttulate, smooth-walled, surrounded by a mucilaginous sheath, 5-9
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<normalizedToken originalValue="μm">μm</normalizedToken>
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thick (x¯ = 6.9
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 30). Asexual morph: Coelomycetous. Conidiostromata 9-13
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<normalizedToken originalValue="×">x</normalizedToken>
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1-2 mm long (x¯ = 11.2
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<normalizedToken originalValue="×">x</normalizedToken>
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1.6 mm, n = 10), 320-350
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<normalizedToken originalValue="μm">μm</normalizedToken>
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high (x¯ = 332
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n=10), fusiform to long fusiform or rhomboid, coriaceous, superficial, dark brown to black, multi-loculate, solitary, scattered, glabrous. Pycnidia 180-240
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<normalizedToken originalValue="μm">μm</normalizedToken>
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high (x¯ = 209
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20),
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<pageBreakToken pageId="8" pageNumber="127" start="start">170</pageBreakToken>
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-240
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<normalizedToken originalValue="μm">μm</normalizedToken>
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diam. (x¯ = 210
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20), globose to subglobose, ostiolate. Pycnidial wall 12-18 (-23)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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wide (x¯ = 15
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20), comprising multi-layered, brown to dark brown pseudoparenchymatous cells, of textura angularis, paler towards inner layers, slightly thin at base, thick at sides towards apex, upper part fused with host tissue. Conidiophores reduced to conidiogenous cells. Conidiogenous cells 3-5.5 (-7)
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<normalizedToken originalValue="×">x</normalizedToken>
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3-4
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(x¯ = 4.17
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<normalizedToken originalValue="×">x</normalizedToken>
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3.29
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 20), ampulliform to subcylindrical, smooth, hyaline, enteroblastic, phialidic, formed from inner layer of pycnidial wall. Macroconidia (32.5-) 33.5-40 (-44)
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<normalizedToken originalValue="×">x</normalizedToken>
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(5-) 5.5-7 (-7.5)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(x¯ = 37.5
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<normalizedToken originalValue="×">x</normalizedToken>
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6.2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 40), subcylindrical to cylindrical, narrowly rounded at both ends, sometimes curved, 7-13 transversely septa, nearly equidistant between septa, hyaline, smooth-walled, guttulate, sometimes surrounded by a mucilaginous sheath when immature. Microconidia (3-) 3.5-4 (-5)
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<normalizedToken originalValue="×">x</normalizedToken>
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(1-) 1.5-2 (-3)
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(x¯ = 3.9
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<normalizedToken originalValue="×">x</normalizedToken>
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1.9
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 50), oval, ellipsoidal or elongate-ellipsoidal, aseptate, rounded at both ends, hyaline, smooth-walled, with small guttulate.
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</paragraph>
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<caption pageId="8" pageNumber="127">
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<paragraph pageId="8" pageNumber="127">
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Figure 2.
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<taxonomicName class="Dothideomycetes" family="Phaeosphaeriaceae" genus="Neostagonosporella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neostagonosporella sichuanensis" order="Pleosporales" pageId="8" pageNumber="127" phylum="Ascomycota" rank="species" species="sichuanensis">Neostagonosporella sichuanensis</taxonomicName>
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(MFLU 18-1212, holotype). a
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<normalizedToken originalValue="аppearance">appearance</normalizedToken>
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of ascostromata on host b ascostroma c, d vertical section of ascostroma e, f close up of ascoma g peridium h trabeculate pseudoparaphyses and asci
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<normalizedToken originalValue="i–k">i-k</normalizedToken>
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asci l bitunicate asci, note ocular chamber m, n, q, r ascospores with mucilaginous sheath o, s germinated ascospores in lactate cotton blue reagent p, t colonies on PDA (p-from above, t-from below). Scale bars: 1 cm (a); 1 mm (b); 200
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(c, d); 100
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(e, f); 20
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<normalizedToken originalValue="g–k">g-k</normalizedToken>
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); 10
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<normalizedToken originalValue="l–o">l-o</normalizedToken>
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,
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<normalizedToken originalValue="q–s">q-s</normalizedToken>
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).
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</paragraph>
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</caption>
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<caption pageId="8" pageNumber="127">
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<paragraph pageId="8" pageNumber="127">
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Figure 3.
|
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<taxonomicName class="Dothideomycetes" family="Phaeosphaeriaceae" genus="Neostagonosporella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Neostagonosporella sichuanensis" order="Pleosporales" pageId="8" pageNumber="127" phylum="Ascomycota" rank="species" species="sichuanensis">Neostagonosporella sichuanensis</taxonomicName>
|
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|
(MFLU 18-1220, paratype). a appearance of conidiomata on host b, c vertical section of conidioma d pycnidia e peridium f, g conidiogenous cells and developing conidia
|
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<normalizedToken originalValue="h–l">h-l</normalizedToken>
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conidia m germinated conidium. Scale bars: 1 cm (a); 200
|
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<normalizedToken originalValue="μm">μm</normalizedToken>
|
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(
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<normalizedToken originalValue="b–d">b-d</normalizedToken>
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|
); 20
|
|||
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|
<normalizedToken originalValue="μm">μm</normalizedToken>
|
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|
|
(e, f); 10
|
|||
|
|
<normalizedToken originalValue="μm">μm</normalizedToken>
|
|||
|
|
(
|
|||
|
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<normalizedToken originalValue="g–m">g-m</normalizedToken>
|
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|
|
).
|
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|
|
</paragraph>
|
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|
|
</caption>
|
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|
|
<paragraph pageId="8" pageNumber="127">
|
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|
|
Culture characteristics. Ascospores germinating in sterilised water within 24 hours at 25°C, with germ tubes developed from each cell of ascospores, mostly from middle and end of spores. Colonies on PDA circular, with concentric circles, grey white in outer side, fawn in reverse side, grey in inner side, dark brown on back side. Conidial germination similar to ascospores. Conidiomata formed on PDA at 25°C after 75 days, pycnidial, solitary to gregarious, raised on agar, black dots, pyriform, globose to subglobose, or irregular, uniloculate, covered by white or grey hyphae. Conidia two types, macroconidia and microconidia and both longer than ones on host. Macroconidia (30
|
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|
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<normalizedToken originalValue="–)40–48(–">-)40-48(-</normalizedToken>
|
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|
|
60.5)
|
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|
|
<normalizedToken originalValue="×">x</normalizedToken>
|
|||
|
|
(4
|
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|
|
<normalizedToken originalValue="–)5–">-)5-</normalizedToken>
|
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|
|
6
|
|||
|
|
<normalizedToken originalValue="μm">μm</normalizedToken>
|
|||
|
|
(x¯ = 43.8
|
|||
|
|
<normalizedToken originalValue="×">x</normalizedToken>
|
|||
|
|
5.2
|
|||
|
|
<normalizedToken originalValue="μm">μm</normalizedToken>
|
|||
|
|
, n = 50), hyaline, 4-7-septate, occasionally 3-septate, hyaline. Microconidia (3.5
|
|||
|
|
<normalizedToken originalValue="–)4–6(–">-)4-6(-</normalizedToken>
|
|||
|
|
12)
|
|||
|
|
<normalizedToken originalValue="×">x</normalizedToken>
|
|||
|
|
(1
|
|||
|
|
<normalizedToken originalValue="–)1.5–2(–">-)1.5-2(-</normalizedToken>
|
|||
|
|
3)
|
|||
|
|
<normalizedToken originalValue="μm">μm</normalizedToken>
|
|||
|
|
(x¯ = 5.3
|
|||
|
|
<normalizedToken originalValue="×">x</normalizedToken>
|
|||
|
|
1.9
|
|||
|
|
<normalizedToken originalValue="μm">μm</normalizedToken>
|
|||
|
|
, n = 50), aseptate, hyaline.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|