225 lines
17 KiB
XML
225 lines
17 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/mycokeys.73.51424" ID-GBIF-Dataset="908e3535-47f9-4f2f-b367-9b17a14eea36" ID-PMC="PMC7561617" ID-Pensoft-Pub="1314-4049-73-109" ID-Pensoft-UUID="0A1D88193F715BB0BA726B9D2E43F723" ID-PubMed="33117081" ModsDocID="1314-4049-73-109" checkinTime="1602216469212" checkinUser="pensoft" docAuthor="Gu, Xin, Wang, Rui, Sun, Quan, Wu, Bing & Sun, Jing-Zu" docDate="2020" docId="E6B880C9D0905DE6A633F72AFF924701" docLanguage="en" docName="MycoKeys 73: 109-132" docOrigin="MycoKeys 73" docSource="http://dx.doi.org/10.3897/mycokeys.73.51424" docTitle="Trichoderma xixiacum Jing Z. Sun & X. Z. Liu 2020, sp. nov." docType="treatment" docVersion="4" id="0A1D88193F715BB0BA726B9D2E43F723" lastPageNumber="109" masterDocId="0A1D88193F715BB0BA726B9D2E43F723" masterDocTitle="Four new species of Trichoderma in the Harzianum clade from northern China" masterLastPageNumber="132" masterPageNumber="109" pageNumber="109" updateTime="1668136539775" 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>Four new species of Trichoderma in the Harzianum clade from northern China</mods:title>
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</mods:titleInfo>
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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>Gu, Xin</mods:namePart>
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<mods:affiliation>School of Agriculture, Ningxia University, Yinchuan, Ningxia 750021, China</mods:affiliation>
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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>Wang, Rui</mods:namePart>
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<mods:affiliation>School of Agriculture, Ningxia University, Yinchuan, Ningxia 750021, China</mods:affiliation>
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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>Sun, Quan</mods:namePart>
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<mods:affiliation>School of Agriculture, Ningxia University, Yinchuan, Ningxia 750021, China</mods:affiliation>
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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>Wu, Bing</mods:namePart>
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<mods:affiliation>State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, No. 3 Park 1, Beichen West Road, Chaoyang District, Beijing 100101, China</mods:affiliation>
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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>Sun, Jing-Zu</mods:namePart>
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<mods:affiliation>State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, No. 3 Park 1, Beichen West Road, Chaoyang District, Beijing 100101, China</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0003-1893-1869</mods:nameIdentifier>
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<mods:nameIdentifier type="email">sunjz@im.ac.cn</mods:nameIdentifier>
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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>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>73</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>109</mods:start>
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<mods:end>132</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.73.51424</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.73.51424</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-4049-73-109</mods:identifier>
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<mods:identifier type="Pensoft-UUID">0A1D88193F715BB0BA726B9D2E43F723</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="168305383" LSID="urn:lsid:plazi:treatment:E6B880C9D0905DE6A633F72AFF924701" httpUri="http://treatment.plazi.org/id/E6B880C9D0905DE6A633F72AFF924701" lastPageNumber="109" pageId="0" pageNumber="109">
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<subSubSection pageId="0" pageNumber="109" type="nomenclature">
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<paragraph pageId="0" pageNumber="109">
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<taxonomicName LSID="E6B880C9-D090-5DE6-A633-F72AFF924701" authority="Jing Z. Sun & X. Z. Liu" authorityName="Jing Z. Sun & X. Z. Liu" authorityYear="2020" class="Sordariomycetes" family="Hypocreaceae" genus="Trichoderma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Trichoderma xixiacum" order="Hypocreales" pageId="0" pageNumber="109" phylum="Ascomycota" rank="species" species="xixiacum" status="sp. nov.">Trichoderma xixiacum Jing Z. Sun & X.Z. Liu</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="109">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 4" captionStartId="F5" captionText="Figure 4. Trichoderma xixiacum (CGMCC 3.19697). Cultures at 25 ° C after 3 d (A on PDA B on CMD C on SNA) D conidiation pustules on CMD after 10 d E conidiation pustules on SNA after 10 d F, G, I conidiophores and phialides H conidia. Scale bars: 10 µm (F, G); 10 µm (H, I)." figureDoi="10.3897/mycokeys.73.51424.figure4" httpUri="https://binary.pensoft.net/fig/461094" pageId="0" pageNumber="109">Fig. 4</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="109" type="etymology">
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<paragraph pageId="0" pageNumber="109">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="109">
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Latin,
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<taxonomicName authorityName="Jing Z. Sun & X. Z. Liu" authorityYear="2020" class="Insecta" family="Melolonthidae" genus="Trichoderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="xixiacum" order="Coleoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="xixiacum">
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<emphasis italics="true" pageId="0" pageNumber="109">xixiacum</emphasis>
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</taxonomicName>
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, refers to the type locality.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="109" type="materials_examined">
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<paragraph pageId="0" pageNumber="109">Type.</paragraph>
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<paragraph pageId="0" pageNumber="109">
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China. Xixia District, Yinchuan, Ningxia Hui Autonomous Region,
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<geoCoordinate degrees="38" direction="north" minutes="38" orientation="latitude" precision="15" seconds="52" value="38.64778">38°38'52"N</geoCoordinate>
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,
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<geoCoordinate degrees="106" direction="east" minutes="9" orientation="longitude" precision="15" seconds="33" value="106.159164">106°9'33"E</geoCoordinate>
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, ca. 1127 m elev., from rhizosphere soil of
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<taxonomicName class="Magnoliopsida" family="Solanaceae" genus="Lycium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lycium chinois" order="Solanales" pageId="0" pageNumber="109" phylum="Tracheophyta" rank="species" species="chinois">
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<emphasis italics="true" pageId="0" pageNumber="109">Lycium chinois</emphasis>
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</taxonomicName>
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, 17 Oct 2018, Jing Z. Sun (HMAS 248253, holotype), ex-type culture CGMCC 3.19697.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="109" type="description">
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<paragraph pageId="0" pageNumber="109">Description.</paragraph>
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<paragraph pageId="0" pageNumber="109">
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On CMD after 72 h, colony radius 55-56 mm at 25 °C, covering the plate at 30 °C, 9-11 mm at 35 °C. Colony hyaline, indistinctly zonate, mycelia loose. Aerial hyphae short, inconspicuous. No diffusing pigment, not distinct odor (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F5" captionText="Figure 4. Trichoderma xixiacum (CGMCC 3.19697). Cultures at 25 ° C after 3 d (A on PDA B on CMD C on SNA) D conidiation pustules on CMD after 10 d E conidiation pustules on SNA after 10 d F, G, I conidiophores and phialides H conidia. Scale bars: 10 µm (F, G); 10 µm (H, I)." figureDoi="10.3897/mycokeys.73.51424.figure4" httpUri="https://binary.pensoft.net/fig/461094" pageId="0" pageNumber="109">4B</figureCitation>
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). Conidial production noted after 3 days, effuse in aerial hyphae, becoming blue-green after 4 days. Chlamydospores unobserved.
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</paragraph>
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<caption doi="10.3897/mycokeys.73.51424.figure4" httpUri="https://binary.pensoft.net/fig/461094" pageId="0" pageNumber="109" start="Figure 4" startId="F5">
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<paragraph pageId="0" pageNumber="109">
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<emphasis bold="true" pageId="0" pageNumber="109">Figure 4.</emphasis>
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<taxonomicName authorityName="Jing Z. Sun & X. Z. Liu" authorityYear="2020" class="Insecta" family="Melolonthidae" genus="Trichoderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trichoderma xixiacum" order="Coleoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="xixiacum">
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<emphasis italics="true" pageId="0" pageNumber="109">Trichoderma xixiacum</emphasis>
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</taxonomicName>
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(CGMCC 3.19697). Cultures at 25 °C after 3 d (
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<emphasis bold="true" pageId="0" pageNumber="109">A</emphasis>
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on PDA
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<emphasis bold="true" pageId="0" pageNumber="109">B</emphasis>
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on CMD
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<emphasis bold="true" pageId="0" pageNumber="109">C</emphasis>
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on SNA)
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<emphasis bold="true" pageId="0" pageNumber="109">D</emphasis>
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conidiation pustules on CMD after 10 d
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<emphasis bold="true" pageId="0" pageNumber="109">E</emphasis>
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conidiation pustules on SNA after 10 d
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<emphasis bold="true" pageId="0" pageNumber="109">F, G, I</emphasis>
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conidiophores and phialides
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<emphasis bold="true" pageId="0" pageNumber="109">H</emphasis>
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conidia. Scale bars: 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="109">F, G</emphasis>
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); 10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis bold="true" pageId="0" pageNumber="109">H, I</emphasis>
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).
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="109">
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On PDA after 72 h, colony radius 59-60 mm at 25 °C, covering the plate at 30 °C, 7-8 mm at 35 °C. Colony white to yellow-white, regularly circular, indistinctly zonate; mycelium dense and radial. Aerial hyphae conspicuous. No diffusing pigment, not distinct odor (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F5" captionText="Figure 4. Trichoderma xixiacum (CGMCC 3.19697). Cultures at 25 ° C after 3 d (A on PDA B on CMD C on SNA) D conidiation pustules on CMD after 10 d E conidiation pustules on SNA after 10 d F, G, I conidiophores and phialides H conidia. Scale bars: 10 µm (F, G); 10 µm (H, I)." figureDoi="10.3897/mycokeys.73.51424.figure4" httpUri="https://binary.pensoft.net/fig/461094" pageId="0" pageNumber="109">4A</figureCitation>
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). Conidial production noted after 3 days, starting around the original inoculum, effuse in the aerial hyphae, first white, turning blue-green after 7 d. Chlamydospores unobserved.
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</paragraph>
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<paragraph pageId="0" pageNumber="109">
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On SNA after 72 h, colony radius 51-52 mm at 25 °C, 52-53 mm at 30 °C, 4-5 mm at 35 °C. Colony hyaline, indistinctly zonate; mycelium loose, especially at the margin. Aerial hyphae short. No diffusing pigment, not distinct odor (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F5" captionText="Figure 4. Trichoderma xixiacum (CGMCC 3.19697). Cultures at 25 ° C after 3 d (A on PDA B on CMD C on SNA) D conidiation pustules on CMD after 10 d E conidiation pustules on SNA after 10 d F, G, I conidiophores and phialides H conidia. Scale bars: 10 µm (F, G); 10 µm (H, I)." figureDoi="10.3897/mycokeys.73.51424.figure4" httpUri="https://binary.pensoft.net/fig/461094" pageId="0" pageNumber="109">4C</figureCitation>
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). Conidial production noted after 2 days, starting around the inoculum, effuse in the aerial hyphae. Small pustules formed around the inoculum, first white, turning green after 3 d, with hairs protruding beyond the surface. Conidiophores pyramidal with opposing branches, less frequently solitary, closely-spaced branches, each branch, and the main axis terminating in 2-5 cruciately to nearly verticillately disposed phialides (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F5" captionText="Figure 4. Trichoderma xixiacum (CGMCC 3.19697). Cultures at 25 ° C after 3 d (A on PDA B on CMD C on SNA) D conidiation pustules on CMD after 10 d E conidiation pustules on SNA after 10 d F, G, I conidiophores and phialides H conidia. Scale bars: 10 µm (F, G); 10 µm (H, I)." figureDoi="10.3897/mycokeys.73.51424.figure4" httpUri="https://binary.pensoft.net/fig/461094" pageId="0" pageNumber="109">4F, G, I</figureCitation>
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). Phialides ampulliform to lageniform, often constricted below the tip to form a narrow neck, hyaline, (3.2-)3.5-7.0(-9.3)
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<normalizedToken originalValue="×">x</normalizedToken>
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(2.3-)2.6-3.3(-3.6)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="109">x̄</emphasis>
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= 5.0
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<normalizedToken originalValue="×">x</normalizedToken>
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3.0
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 50), length/width ratio (1.2-)1.5-2.5(-4) (
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<emphasis italics="true" pageId="0" pageNumber="109">x̄</emphasis>
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= 1.8, n = 50), base 1.6-2.2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="109">x̄</emphasis>
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= 1.8
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 50) (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F5" captionText="Figure 4. Trichoderma xixiacum (CGMCC 3.19697). Cultures at 25 ° C after 3 d (A on PDA B on CMD C on SNA) D conidiation pustules on CMD after 10 d E conidiation pustules on SNA after 10 d F, G, I conidiophores and phialides H conidia. Scale bars: 10 µm (F, G); 10 µm (H, I)." figureDoi="10.3897/mycokeys.73.51424.figure4" httpUri="https://binary.pensoft.net/fig/461094" pageId="0" pageNumber="109">4I</figureCitation>
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). Conidia subglobose to globose, smooth, hyaline when young, becoming green to dark green with age, (2.0-)2.3-2.7(-3.0)
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<normalizedToken originalValue="×">x</normalizedToken>
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(1.6-)2.0-2.6(-3.0)
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="109">x̄</emphasis>
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= 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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2.2
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<normalizedToken originalValue="μm">μm</normalizedToken>
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, n = 50), length/width ratio 1.0-1.3(-1.7) (
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<emphasis italics="true" pageId="0" pageNumber="109">x̄</emphasis>
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= 1.1, n = 50) (Fig.
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<figureCitation captionStart="Figure 4" captionStartId="F5" captionText="Figure 4. Trichoderma xixiacum (CGMCC 3.19697). Cultures at 25 ° C after 3 d (A on PDA B on CMD C on SNA) D conidiation pustules on CMD after 10 d E conidiation pustules on SNA after 10 d F, G, I conidiophores and phialides H conidia. Scale bars: 10 µm (F, G); 10 µm (H, I)." figureDoi="10.3897/mycokeys.73.51424.figure4" httpUri="https://binary.pensoft.net/fig/461094" pageId="0" pageNumber="109">4H</figureCitation>
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). Chlamydospores unobserved. No odor; no diffusing pigment observed.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="109" type="additional specimen examined">
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<paragraph pageId="0" pageNumber="109">Additional specimen examined.</paragraph>
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<paragraph pageId="0" pageNumber="109">
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China. Xixia District, Yinchuan, Ningxia Hui Autonomous Region,
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<geoCoordinate degrees="38" direction="north" minutes="38" orientation="latitude" precision="15" seconds="52" value="38.64778">38°38'52"N</geoCoordinate>
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,
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<geoCoordinate degrees="106" direction="east" minutes="9" orientation="longitude" precision="15" seconds="33" value="106.159164">106°9'33"E</geoCoordinate>
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, ca. 1127 m elev., from rhizosphere soil of
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<taxonomicName class="Magnoliopsida" family="Solanaceae" genus="Lycium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lycium chinois" order="Solanales" pageId="0" pageNumber="109" phylum="Tracheophyta" rank="species" species="chinois">
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<emphasis italics="true" pageId="0" pageNumber="109">Lycium chinois</emphasis>
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</taxonomicName>
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, 17 Oct 2018, Jing Z. Sun, living CGMCC 3.19697.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="109" type="teleomorph">
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<paragraph pageId="0" pageNumber="109">Teleomorph.</paragraph>
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<paragraph pageId="0" pageNumber="109">Undetermined.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="109" type="notes">
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<paragraph pageId="0" pageNumber="109">Note.</paragraph>
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<paragraph pageId="0" pageNumber="109">
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Characterized by tree-like conidiophores, verticillate or in whorls of 3-4, ampulliform to lageniform phialides (3.5-7.0
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<normalizedToken originalValue="×">x</normalizedToken>
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2.6-3.4
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<normalizedToken originalValue="μm">μm</normalizedToken>
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), subglobose to globose conidia (2.2-2.6
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<normalizedToken originalValue="×">x</normalizedToken>
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2.0-2.4
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<normalizedToken originalValue="μm">μm</normalizedToken>
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). Differs from
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<taxonomicName authorityName="Jing Z. Sun & X. Z. Liu" authorityYear="2020" class="Insecta" family="Melolonthidae" genus="Trichoderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Trichoderma lentinulae" order="Coleoptera" pageId="0" pageNumber="109" phylum="Arthropoda" rank="species" species="lentinulae">
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<emphasis italics="true" pageId="0" pageNumber="109">Trichoderma lentinulae</emphasis>
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</taxonomicName>
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by compact, relatively smaller phialides, and the character of pustules on SNA. Differs from
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<taxonomicName class="Sordariomycetes" family="Hypocreaceae" genus="Trichoderma" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Trichoderma lixii" order="Hypocreales" pageId="0" pageNumber="109" phylum="Ascomycota" rank="species" species="lixii">
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<emphasis italics="true" pageId="0" pageNumber="109">Trichoderma lixii</emphasis>
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</taxonomicName>
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by shorter and wider phialides and smaller conidia.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |