Screening of high-virulent entomopathogenic fungal strains to infect Xylotrechus rusticus larvae.
Identifieur interne : 000723 ( Main/Exploration ); précédent : 000722; suivant : 000724Screening of high-virulent entomopathogenic fungal strains to infect Xylotrechus rusticus larvae.
Auteurs : Yan-Chen Wang [République populaire de Chine] ; De-Fu Chi [République populaire de Chine]Source :
- 3 Biotech [ 2190-572X ] ; 2019.
Abstract
The gray tiger longicorn beetle, Xylotrechus rusticus Linnaeus (Coleoptera: Cerambycidae) is a stem-boring pest that can inhibit not only the transportation of nutrients in the trunk but also the tree growth, increasing the risk of tree breakage and causing economic losses. It is distributed in China, Iran, Turkey, Russia, Korea, Japan, and Southern Europe. This study aimed to investigate selected Beauveria strains that could be used as entomopathogenic fungi for the biological control of this pest. The high-virulence strains were screened among the selected strains by cumulative mortality, correct mortality, and lethal time to 50% mortality (LT50). These screened high-virulence strains were Bb01, CFCC83486, and CFCC81428. Bb01 exhibited 96.96% cumulative mortality, with an estimated LT50 of 3.28 days. CFCC83486 and CFCC81428 caused 89.29% and 75.74% cumulative mortality, with an estimated LT50 of 3.45 and 4.28 days, respectively. Pathogenicity at different concentrations and lethal concentration of 50% (LC50) of these high-virulence strains were investigated. The pathogenicity was found to be positively correlated with suspension concentration, and LC50 was negatively correlated with infection time. These suspensions of high-virulence strains at different concentrations were also investigated in the forest by brushing the suspensions on the poplar tree trunk infested with X. rusticus L. larvae. The most effective strain was found to be Bb01, whose cumulative mortality reached 76.33% at 1.32 × 108 conidia mL-1, followed by the strain CFCC83486, whose cumulative mortality reached 65.17% at 1.32 × 108 conidia mL-1. This study provides an important basis for using B. bassiana in the biological control of X. rusticus L.
DOI: 10.1007/s13205-019-1602-2
PubMed: 30800591
PubMed Central: PMC6374243
Affiliations:
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It is distributed in China, Iran, Turkey, Russia, Korea, Japan, and Southern Europe. This study aimed to investigate selected <i>Beauveria</i> strains that could be used as entomopathogenic fungi for the biological control of this pest. The high-virulence strains were screened among the selected strains by cumulative mortality, correct mortality, and lethal time to 50% mortality (LT50). These screened high-virulence strains were Bb01, CFCC83486, and CFCC81428. Bb01 exhibited 96.96% cumulative mortality, with an estimated LT50 of 3.28 days. CFCC83486 and CFCC81428 caused 89.29% and 75.74% cumulative mortality, with an estimated LT50 of 3.45 and 4.28 days, respectively. Pathogenicity at different concentrations and lethal concentration of 50% (LC50) of these high-virulence strains were investigated. The pathogenicity was found to be positively correlated with suspension concentration, and LC50 was negatively correlated with infection time. These suspensions of high-virulence strains at different concentrations were also investigated in the forest by brushing the suspensions on the poplar tree trunk infested with <i>X. rusticus</i> L. larvae. The most effective strain was found to be Bb01, whose cumulative mortality reached 76.33% at 1.32 × 10<sup>8</sup> conidia mL<sup>-1</sup>, followed by the strain CFCC83486, whose cumulative mortality reached 65.17% at 1.32 × 10<sup>8</sup> conidia mL<sup>-1</sup>. This study provides an important basis for using <i>B. bassiana</i> in the biological control of <i>X. rusticus</i> L.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">30800591</PMID><DateRevised><Year>2020</Year><Month>09</Month><Day>28</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">2190-572X</ISSN><JournalIssue CitedMedium="Print"><Volume>9</Volume><Issue>3</Issue><PubDate><Year>2019</Year><Month>Mar</Month></PubDate></JournalIssue><Title>3 Biotech</Title><ISOAbbreviation>3 Biotech</ISOAbbreviation></Journal><ArticleTitle>Screening of high-virulent entomopathogenic fungal strains to infect <i>Xylotrechus rusticus</i> larvae.</ArticleTitle><Pagination><MedlinePgn>80</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s13205-019-1602-2</ELocationID><Abstract><AbstractText>The gray tiger longicorn beetle, <i>Xylotrechus rusticus</i> Linnaeus (Coleoptera: Cerambycidae) is a stem-boring pest that can inhibit not only the transportation of nutrients in the trunk but also the tree growth, increasing the risk of tree breakage and causing economic losses. It is distributed in China, Iran, Turkey, Russia, Korea, Japan, and Southern Europe. This study aimed to investigate selected <i>Beauveria</i> strains that could be used as entomopathogenic fungi for the biological control of this pest. The high-virulence strains were screened among the selected strains by cumulative mortality, correct mortality, and lethal time to 50% mortality (LT50). These screened high-virulence strains were Bb01, CFCC83486, and CFCC81428. Bb01 exhibited 96.96% cumulative mortality, with an estimated LT50 of 3.28 days. CFCC83486 and CFCC81428 caused 89.29% and 75.74% cumulative mortality, with an estimated LT50 of 3.45 and 4.28 days, respectively. Pathogenicity at different concentrations and lethal concentration of 50% (LC50) of these high-virulence strains were investigated. The pathogenicity was found to be positively correlated with suspension concentration, and LC50 was negatively correlated with infection time. These suspensions of high-virulence strains at different concentrations were also investigated in the forest by brushing the suspensions on the poplar tree trunk infested with <i>X. rusticus</i> L. larvae. The most effective strain was found to be Bb01, whose cumulative mortality reached 76.33% at 1.32 × 10<sup>8</sup> conidia mL<sup>-1</sup>, followed by the strain CFCC83486, whose cumulative mortality reached 65.17% at 1.32 × 10<sup>8</sup> conidia mL<sup>-1</sup>. This study provides an important basis for using <i>B. bassiana</i> in the biological control of <i>X. rusticus</i> L.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Wang</LastName><ForeName>Yan-Chen</ForeName><Initials>YC</Initials><AffiliationInfo><Affiliation>School of Forestry, Northeast Forestry University, No. 26, Hexing Road, Harbin, 150040 China.</Affiliation><Identifier Source="ISNI">0000 0004 1789 9091</Identifier><Identifier Source="GRID">grid.412246.7</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chi</LastName><ForeName>De-Fu</ForeName><Initials>DF</Initials><Identifier Source="ORCID">0000-0003-2987-517X</Identifier><AffiliationInfo><Affiliation>School of Forestry, Northeast Forestry University, No. 26, Hexing Road, Harbin, 150040 China.</Affiliation><Identifier Source="ISNI">0000 0004 1789 9091</Identifier><Identifier Source="GRID">grid.412246.7</Identifier></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>02</Month><Day>13</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>3 Biotech</MedlineTA><NlmUniqueID>101565857</NlmUniqueID><ISSNLinking>2190-5738</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Beauveria bassiana</Keyword><Keyword MajorTopicYN="N">Beauveria brongniartii</Keyword><Keyword MajorTopicYN="N">Biocontrol</Keyword><Keyword MajorTopicYN="N">Fungal</Keyword><Keyword MajorTopicYN="N">Gray tiger longicorn beetle</Keyword><Keyword MajorTopicYN="N">Pathogenicity</Keyword></KeywordList><CoiStatement>Compliance with ethical standardsNo potential conflict of interest was reported by the authors.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2018</Year><Month>11</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>01</Month><Day>31</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>2</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>2</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>2</Month><Day>26</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30800591</ArticleId><ArticleId IdType="doi">10.1007/s13205-019-1602-2</ArticleId><ArticleId IdType="pii">1602</ArticleId><ArticleId IdType="pmc">PMC6374243</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Pest Manag Sci. 2012 Jul;68(7):963-75</Citation><ArticleIdList><ArticleId IdType="pubmed">22566204</ArticleId></ArticleIdList></Reference><Reference><Citation>Pest Manag Sci. 2015 Feb;71(2):323-8</Citation><ArticleIdList><ArticleId IdType="pubmed">24990249</ArticleId></ArticleIdList></Reference><Reference><Citation>Pest Manag Sci. 2015 Jan;71(1):7-14</Citation><ArticleIdList><ArticleId IdType="pubmed">25216358</ArticleId></ArticleIdList></Reference><Reference><Citation>Trends Microbiol. 1996 May;4(5):197-203</Citation><ArticleIdList><ArticleId IdType="pubmed">8727600</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>République populaire de Chine</li></country></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Wang, Yan Chen" sort="Wang, Yan Chen" uniqKey="Wang Y" first="Yan-Chen" last="Wang">Yan-Chen Wang</name></noRegion><name sortKey="Chi, De Fu" sort="Chi, De Fu" uniqKey="Chi D" first="De-Fu" last="Chi">De-Fu Chi</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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