Identification and Pathogenicity of Lasiodiplodia theobromae and Diplodia seriata, the Causal Agents of Bot Canker Disease of Grapevines in Mexico.
Identifieur interne : 000797 ( Main/Exploration ); précédent : 000796; suivant : 000798Identification and Pathogenicity of Lasiodiplodia theobromae and Diplodia seriata, the Causal Agents of Bot Canker Disease of Grapevines in Mexico.
Auteurs : J R Úrbez-Torres ; G M Leavitt ; J C Guerrero [Mexique] ; J. Guevara [Mexique] ; W D GublerSource :
- Plant disease [ 0191-2917 ] ; 2008.
Abstract
Perennial cankers and consequent grapevine dieback are a major problem in vineyards of Sonora and Baja California, the most important grape-production areas of Mexico. In order to identify the canker-causing agents, symptomatic arms, cordons, and trunks were collected from 13 and 6 vineyards in Sonora and Baja California, respectively. Two Botryosphaeriaceae spp., Lasiodiplodia theobromae and Diplodia seriata, were isolated frequently from infected wood and identified based on morphological and cultural characters as well as analyses of nucleotide sequences of three genes, the internal transcribed spacer region (ITS1-5.8S-ITS2), a partial sequence of the β-tubulin gene, and part of the translation elongation factor 1-α gene (EF1-α). Although both L. theobromae and D. seriata were isolated from grapevine cankers in Baja California, only L. theobromae was found in vines in the Sonora region. Pathogenicity of both species was verified by inoculation of rooted cuttings and green shoots of Thompson Seedless and Chardonnay cultivars. Isolates of L. theobromae were more virulent, based on the extent of spread in the secondary wood and green tissue, than those of D. seriata. These findings confirm L. theobromae and D. seriata as the causal agents of dieback and canker formation of grapevines in northern Mexico.
DOI: 10.1094/PDIS-92-4-0519
PubMed: 30769642
Affiliations:
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In order to identify the canker-causing agents, symptomatic arms, cordons, and trunks were collected from 13 and 6 vineyards in Sonora and Baja California, respectively. Two Botryosphaeriaceae spp., Lasiodiplodia theobromae and Diplodia seriata, were isolated frequently from infected wood and identified based on morphological and cultural characters as well as analyses of nucleotide sequences of three genes, the internal transcribed spacer region (ITS1-5.8S-ITS2), a partial sequence of the β-tubulin gene, and part of the translation elongation factor 1-α gene (EF1-α). Although both L. theobromae and D. seriata were isolated from grapevine cankers in Baja California, only L. theobromae was found in vines in the Sonora region. Pathogenicity of both species was verified by inoculation of rooted cuttings and green shoots of Thompson Seedless and Chardonnay cultivars. Isolates of L. theobromae were more virulent, based on the extent of spread in the secondary wood and green tissue, than those of D. seriata. These findings confirm L. theobromae and D. seriata as the causal agents of dieback and canker formation of grapevines in northern Mexico.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">30769642</PMID><DateRevised><Year>2019</Year><Month>11</Month><Day>20</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>92</Volume><Issue>4</Issue><PubDate><Year>2008</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Identification and Pathogenicity of Lasiodiplodia theobromae and Diplodia seriata, the Causal Agents of Bot Canker Disease of Grapevines in Mexico.</ArticleTitle><Pagination><MedlinePgn>519-529</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-92-4-0519</ELocationID><Abstract><AbstractText>Perennial cankers and consequent grapevine dieback are a major problem in vineyards of Sonora and Baja California, the most important grape-production areas of Mexico. In order to identify the canker-causing agents, symptomatic arms, cordons, and trunks were collected from 13 and 6 vineyards in Sonora and Baja California, respectively. Two Botryosphaeriaceae spp., Lasiodiplodia theobromae and Diplodia seriata, were isolated frequently from infected wood and identified based on morphological and cultural characters as well as analyses of nucleotide sequences of three genes, the internal transcribed spacer region (ITS1-5.8S-ITS2), a partial sequence of the β-tubulin gene, and part of the translation elongation factor 1-α gene (EF1-α). Although both L. theobromae and D. seriata were isolated from grapevine cankers in Baja California, only L. theobromae was found in vines in the Sonora region. Pathogenicity of both species was verified by inoculation of rooted cuttings and green shoots of Thompson Seedless and Chardonnay cultivars. Isolates of L. theobromae were more virulent, based on the extent of spread in the secondary wood and green tissue, than those of D. seriata. These findings confirm L. theobromae and D. seriata as the causal agents of dieback and canker formation of grapevines in northern Mexico.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Úrbez-Torres</LastName><ForeName>J R</ForeName><Initials>JR</Initials><AffiliationInfo><Affiliation>Department of Plant Pathology, University of California, Davis 95616.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Leavitt</LastName><ForeName>G M</ForeName><Initials>GM</Initials><AffiliationInfo><Affiliation>University of California Cooperative Extension, Madera 93637.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guerrero</LastName><ForeName>J C</ForeName><Initials>JC</Initials><AffiliationInfo><Affiliation>Departamento de Agricultura, Universidad de Sonora, Hermosillo 83000, Mexico.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Guevara</LastName><ForeName>J</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Campo Experimental Costa de Ensenada (INIFAP), Baja California 22800, Mexico.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gubler</LastName><ForeName>W D</ForeName><Initials>WD</Initials><AffiliationInfo><Affiliation>Department of Plant Pathology, University of California, Davis.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Dis</MedlineTA><NlmUniqueID>9882809</NlmUniqueID><ISSNLinking>0191-2917</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N"></Keyword><Keyword MajorTopicYN="N">Eutypa dieback</Keyword><Keyword MajorTopicYN="N">dead arm</Keyword><Keyword MajorTopicYN="N">trunk diseases</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>2</Month><Day>17</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2008</Year><Month>4</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2008</Year><Month>4</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30769642</ArticleId><ArticleId IdType="doi">10.1094/PDIS-92-4-0519</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Mexique</li></country></list><tree><noCountry><name sortKey="Gubler, W D" sort="Gubler, W D" uniqKey="Gubler W" first="W D" last="Gubler">W D Gubler</name><name sortKey="Leavitt, G M" sort="Leavitt, G M" uniqKey="Leavitt G" first="G M" last="Leavitt">G M Leavitt</name><name sortKey="Urbez Torres, J R" sort="Urbez Torres, J R" uniqKey="Urbez Torres J" first="J R" last="Úrbez-Torres">J R Úrbez-Torres</name></noCountry><country name="Mexique"><noRegion><name sortKey="Guerrero, J C" sort="Guerrero, J C" uniqKey="Guerrero J" first="J C" last="Guerrero">J C Guerrero</name></noRegion><name sortKey="Guevara, J" sort="Guevara, J" uniqKey="Guevara J" first="J" last="Guevara">J. 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