Pathogenicity of Phytophthora infestans on solanaceous and asteraceous plant species in Cameroon.
Identifieur interne : 002429 ( Main/Exploration ); précédent : 002428; suivant : 002430Pathogenicity of Phytophthora infestans on solanaceous and asteraceous plant species in Cameroon.
Auteurs : D A Fontem [Cameroun] ; M O OlanyaSource :
- Communications in agricultural and applied biological sciences [ 1379-1176 ] ; 2003.
Descripteurs français
- KwdFr :
- Asteraceae (microbiologie), Cameroun (MeSH), Feuilles de plante (microbiologie), Lycopersicon esculentum (microbiologie), Maladies des plantes (microbiologie), Phytophthora (croissance et développement), Phytophthora (pathogénicité), Solanaceae (microbiologie), Solanum tuberosum (microbiologie), Spécificité d'espèce (MeSH), Virulence (MeSH).
- MESH :
- croissance et développement : Phytophthora.
- microbiologie : Asteraceae, Feuilles de plante, Lycopersicon esculentum, Maladies des plantes, Solanaceae, Solanum tuberosum.
- pathogénicité : Phytophthora.
- Cameroun, Spécificité d'espèce, Virulence.
- Wicri :
- geographic : Cameroun.
English descriptors
- KwdEn :
- Asteraceae (microbiology), Cameroon (MeSH), Lycopersicon esculentum (microbiology), Phytophthora (growth & development), Phytophthora (pathogenicity), Plant Diseases (microbiology), Plant Leaves (microbiology), Solanaceae (microbiology), Solanum tuberosum (microbiology), Species Specificity (MeSH), Virulence (MeSH).
- MESH :
- geographic : Cameroon.
- growth & development : Phytophthora.
- microbiology : Asteraceae, Lycopersicon esculentum, Plant Diseases, Plant Leaves, Solanaceae, Solanum tuberosum.
- pathogenicity : Phytophthora.
- Species Specificity, Virulence.
Abstract
Experiments were conducted to detect potential hosts of Phytophthora infestans, causal agent of potato late blight. Isolates of P. infestans recovered from garden huckleberry (Solanum scabrum), potato (S. tuberosum) and tomato (Lycopersicon esculentum) were inoculated on detached leaves of 12 solanaceous and 14 asteraceous plant species collected in and around potato fields in the western highlands of Cameroon. The inoculated leaves were maintained in Petri dishes in the laboratory for 7 days at 20-22 degrees C. Isolates of P. infestans from huckleberry, potato and tomato infected the same host plants as well as the gboma eggplant (Solanum macrocarpon) and two asteraceous weeds, Ageratum conyzoides and Solanecio biafrae. Inocula recovered from infected S. macrocarpon caused late blight symptoms on huckleberry, potato and tomato both under laboratory and screen house conditions, while those from both asteraceous weeds reinfected potato in the laboratory and inoculum from S. biafrae reinfected huckleberry in the screen house. This is a first observation of late blight infection on S. macrocarpon, A. conyzoides and S. biafrae in Cameroon. Results indicate the importance of both asteraceous weeds and S. macrocarpon as potential alternative hosts for P. infestans in garden huckleberry, potato or tomato fields.
PubMed: 15151295
Affiliations:
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Isolates of P. infestans recovered from garden huckleberry (Solanum scabrum), potato (S. tuberosum) and tomato (Lycopersicon esculentum) were inoculated on detached leaves of 12 solanaceous and 14 asteraceous plant species collected in and around potato fields in the western highlands of Cameroon. The inoculated leaves were maintained in Petri dishes in the laboratory for 7 days at 20-22 degrees C. Isolates of P. infestans from huckleberry, potato and tomato infected the same host plants as well as the gboma eggplant (Solanum macrocarpon) and two asteraceous weeds, Ageratum conyzoides and Solanecio biafrae. Inocula recovered from infected S. macrocarpon caused late blight symptoms on huckleberry, potato and tomato both under laboratory and screen house conditions, while those from both asteraceous weeds reinfected potato in the laboratory and inoculum from S. biafrae reinfected huckleberry in the screen house. This is a first observation of late blight infection on S. macrocarpon, A. conyzoides and S. biafrae in Cameroon. Results indicate the importance of both asteraceous weeds and S. macrocarpon as potential alternative hosts for P. infestans in garden huckleberry, potato or tomato fields.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15151295</PMID><DateCompleted><Year>2004</Year><Month>09</Month><Day>01</Day></DateCompleted><DateRevised><Year>2006</Year><Month>12</Month><Day>14</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1379-1176</ISSN><JournalIssue CitedMedium="Print"><Volume>68</Volume><Issue>4 Pt B</Issue><PubDate><Year>2003</Year></PubDate></JournalIssue><Title>Communications in agricultural and applied biological sciences</Title><ISOAbbreviation>Commun Agric Appl Biol Sci</ISOAbbreviation></Journal><ArticleTitle>Pathogenicity of Phytophthora infestans on solanaceous and asteraceous plant species in Cameroon.</ArticleTitle><Pagination><MedlinePgn>599-607</MedlinePgn></Pagination><Abstract><AbstractText>Experiments were conducted to detect potential hosts of Phytophthora infestans, causal agent of potato late blight. Isolates of P. infestans recovered from garden huckleberry (Solanum scabrum), potato (S. tuberosum) and tomato (Lycopersicon esculentum) were inoculated on detached leaves of 12 solanaceous and 14 asteraceous plant species collected in and around potato fields in the western highlands of Cameroon. The inoculated leaves were maintained in Petri dishes in the laboratory for 7 days at 20-22 degrees C. Isolates of P. infestans from huckleberry, potato and tomato infected the same host plants as well as the gboma eggplant (Solanum macrocarpon) and two asteraceous weeds, Ageratum conyzoides and Solanecio biafrae. Inocula recovered from infected S. macrocarpon caused late blight symptoms on huckleberry, potato and tomato both under laboratory and screen house conditions, while those from both asteraceous weeds reinfected potato in the laboratory and inoculum from S. biafrae reinfected huckleberry in the screen house. This is a first observation of late blight infection on S. macrocarpon, A. conyzoides and S. biafrae in Cameroon. Results indicate the importance of both asteraceous weeds and S. macrocarpon as potential alternative hosts for P. infestans in garden huckleberry, potato or tomato fields.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Fontem</LastName><ForeName>D A</ForeName><Initials>DA</Initials><AffiliationInfo><Affiliation>Plant Protection Department, University of Dschang, Box 208, Dschang, Cameroon.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Olanya</LastName><ForeName>M O</ForeName><Initials>MO</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Belgium</Country><MedlineTA>Commun Agric Appl Biol Sci</MedlineTA><NlmUniqueID>101200320</NlmUniqueID><ISSNLinking>1379-1176</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D019659" MajorTopicYN="N">Asteraceae</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002163" MajorTopicYN="N" Type="Geographic">Cameroon</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018551" MajorTopicYN="N">Lycopersicon esculentum</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010838" MajorTopicYN="N">Phytophthora</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000472" MajorTopicYN="Y">pathogenicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019657" MajorTopicYN="N">Solanaceae</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D011198" MajorTopicYN="N">Solanum tuberosum</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013045" MajorTopicYN="N">Species Specificity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014774" MajorTopicYN="N">Virulence</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2004</Year><Month>5</Month><Day>21</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2004</Year><Month>9</Month><Day>2</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2004</Year><Month>5</Month><Day>21</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15151295</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Cameroun</li></country></list><tree><noCountry><name sortKey="Olanya, M O" sort="Olanya, M O" uniqKey="Olanya M" first="M O" last="Olanya">M O Olanya</name></noCountry><country name="Cameroun"><noRegion><name sortKey="Fontem, D A" sort="Fontem, D A" uniqKey="Fontem D" first="D A" last="Fontem">D A Fontem</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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