Influence of climatic conditions on white tip disease (Phytophthora porri) in leek (Allium porrum).
Identifieur interne : 002597 ( Main/Exploration ); précédent : 002596; suivant : 002598Influence of climatic conditions on white tip disease (Phytophthora porri) in leek (Allium porrum).
Auteurs : K. De Jonghe [Belgique] ; D. Keirsebilck ; K. Martens ; S. Buysens ; M. HöfteSource :
- Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen) [ 1373-7503 ] ; 2002.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Phytophthora.
- microbiologie : Feuilles de plante, Maladies des plantes, Oignons.
- Belgique, Climat, Facteurs temps, Pluie, Température.
- Wicri :
- geographic : Belgique.
English descriptors
- KwdEn :
- MESH :
- geographic : Belgium.
- growth & development : Phytophthora.
- microbiology : Onions, Plant Diseases, Plant Leaves.
- Climate, Rain, Temperature, Time Factors.
Abstract
In leek, one of the major vegetable crops in Belgium, Phytophthora porri causes the so-called white tip disease. During the growing seasons of 1999, 2000 and 2001 the incidence of the white tip disease and the role of environmental conditions in the appearance were investigated on several non-treated leek fields in Flanders (Belgium). The first symptoms of white tip disease on leek where recorded in July and the disease progressed until March. Lesions appeared after an incubation period of 91 to 204 DD (degree days above -3 degrees C) (t0) and were diagnostic at 120 DD. The obtained data confirmed a disease increase corresponding with an amount of rainfall of more than 20 l/m2 in 4 days in the period t = t0-92 to t = t0-154 DD. A good correlation was found between the daily disease increase on one hand and the leaf wetness, relative humidity and temperature (negative correlation) on the other hand. Daily disease increase only weakly correlated with rainfall. Based on these results recommendations can be made (for further studies) to develop a model, combining several of the climatic factors, to predict infection periods with high risk on disease increase in the production of leek.
PubMed: 12701432
Affiliations:
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De Jonghe</name><affiliation wicri:level="4"><nlm:affiliation>Laboratory of Phytopathology, Department of Crop Protection, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Laboratory of Phytopathology, Department of Crop Protection, Ghent University, Coupure Links 653, B-9000 Ghent</wicri:regionArea><orgName type="university">Université de Gand</orgName><placeName><settlement type="city">Gand</settlement><region>Région flamande</region><region type="district" nuts="2">Province de Flandre-Orientale</region></placeName></affiliation></author><author><name sortKey="Keirsebilck, D" sort="Keirsebilck, D" uniqKey="Keirsebilck D" first="D" last="Keirsebilck">D. Keirsebilck</name></author><author><name sortKey="Martens, K" sort="Martens, K" uniqKey="Martens K" first="K" last="Martens">K. Martens</name></author><author><name sortKey="Buysens, S" sort="Buysens, S" uniqKey="Buysens S" first="S" last="Buysens">S. Buysens</name></author><author><name sortKey="Hofte, M" sort="Hofte, M" uniqKey="Hofte M" first="M" last="Höfte">M. 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De Jonghe</name><affiliation wicri:level="4"><nlm:affiliation>Laboratory of Phytopathology, Department of Crop Protection, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.</nlm:affiliation><country xml:lang="fr">Belgique</country><wicri:regionArea>Laboratory of Phytopathology, Department of Crop Protection, Ghent University, Coupure Links 653, B-9000 Ghent</wicri:regionArea><orgName type="university">Université de Gand</orgName><placeName><settlement type="city">Gand</settlement><region>Région flamande</region><region type="district" nuts="2">Province de Flandre-Orientale</region></placeName></affiliation></author><author><name sortKey="Keirsebilck, D" sort="Keirsebilck, D" uniqKey="Keirsebilck D" first="D" last="Keirsebilck">D. Keirsebilck</name></author><author><name sortKey="Martens, K" sort="Martens, K" uniqKey="Martens K" first="K" last="Martens">K. Martens</name></author><author><name sortKey="Buysens, S" sort="Buysens, S" uniqKey="Buysens S" first="S" last="Buysens">S. Buysens</name></author><author><name sortKey="Hofte, M" sort="Hofte, M" uniqKey="Hofte M" first="M" last="Höfte">M. Höfte</name></author></analytic><series><title level="j">Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen)</title><idno type="ISSN">1373-7503</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Belgium (MeSH)</term><term>Climate (MeSH)</term><term>Onions (microbiology)</term><term>Phytophthora (growth & development)</term><term>Plant Diseases (microbiology)</term><term>Plant Leaves (microbiology)</term><term>Rain (MeSH)</term><term>Temperature (MeSH)</term><term>Time Factors (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Belgique (MeSH)</term><term>Climat (MeSH)</term><term>Facteurs temps (MeSH)</term><term>Feuilles de plante (microbiologie)</term><term>Maladies des plantes (microbiologie)</term><term>Oignons (microbiologie)</term><term>Phytophthora (croissance et développement)</term><term>Pluie (MeSH)</term><term>Température (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Belgium</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Phytophthora</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Feuilles de plante</term><term>Maladies des plantes</term><term>Oignons</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Onions</term><term>Plant Diseases</term><term>Plant Leaves</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Climate</term><term>Rain</term><term>Temperature</term><term>Time Factors</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Belgique</term><term>Climat</term><term>Facteurs temps</term><term>Pluie</term><term>Température</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Belgique</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In leek, one of the major vegetable crops in Belgium, Phytophthora porri causes the so-called white tip disease. During the growing seasons of 1999, 2000 and 2001 the incidence of the white tip disease and the role of environmental conditions in the appearance were investigated on several non-treated leek fields in Flanders (Belgium). The first symptoms of white tip disease on leek where recorded in July and the disease progressed until March. Lesions appeared after an incubation period of 91 to 204 DD (degree days above -3 degrees C) (t0) and were diagnostic at 120 DD. The obtained data confirmed a disease increase corresponding with an amount of rainfall of more than 20 l/m2 in 4 days in the period t = t0-92 to t = t0-154 DD. A good correlation was found between the daily disease increase on one hand and the leaf wetness, relative humidity and temperature (negative correlation) on the other hand. Daily disease increase only weakly correlated with rainfall. Based on these results recommendations can be made (for further studies) to develop a model, combining several of the climatic factors, to predict infection periods with high risk on disease increase in the production of leek.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12701432</PMID><DateCompleted><Year>2003</Year><Month>07</Month><Day>11</Day></DateCompleted><DateRevised><Year>2003</Year><Month>04</Month><Day>18</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1373-7503</ISSN><JournalIssue CitedMedium="Print"><Volume>67</Volume><Issue>2</Issue><PubDate><Year>2002</Year></PubDate></JournalIssue><Title>Mededelingen (Rijksuniversiteit te Gent. Fakulteit van de Landbouwkundige en Toegepaste Biologische Wetenschappen)</Title><ISOAbbreviation>Meded Rijksuniv Gent Fak Landbouwkd Toegep Biol Wet</ISOAbbreviation></Journal><ArticleTitle>Influence of climatic conditions on white tip disease (Phytophthora porri) in leek (Allium porrum).</ArticleTitle><Pagination><MedlinePgn>275-8</MedlinePgn></Pagination><Abstract><AbstractText>In leek, one of the major vegetable crops in Belgium, Phytophthora porri causes the so-called white tip disease. During the growing seasons of 1999, 2000 and 2001 the incidence of the white tip disease and the role of environmental conditions in the appearance were investigated on several non-treated leek fields in Flanders (Belgium). The first symptoms of white tip disease on leek where recorded in July and the disease progressed until March. Lesions appeared after an incubation period of 91 to 204 DD (degree days above -3 degrees C) (t0) and were diagnostic at 120 DD. The obtained data confirmed a disease increase corresponding with an amount of rainfall of more than 20 l/m2 in 4 days in the period t = t0-92 to t = t0-154 DD. A good correlation was found between the daily disease increase on one hand and the leaf wetness, relative humidity and temperature (negative correlation) on the other hand. Daily disease increase only weakly correlated with rainfall. Based on these results recommendations can be made (for further studies) to develop a model, combining several of the climatic factors, to predict infection periods with high risk on disease increase in the production of leek.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>De Jonghe</LastName><ForeName>K</ForeName><Initials>K</Initials><AffiliationInfo><Affiliation>Laboratory of Phytopathology, Department of Crop Protection, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Keirsebilck</LastName><ForeName>D</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Martens</LastName><ForeName>K</ForeName><Initials>K</Initials></Author><Author ValidYN="Y"><LastName>Buysens</LastName><ForeName>S</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Höfte</LastName><ForeName>M</ForeName><Initials>M</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Belgium</Country><MedlineTA>Meded Rijksuniv Gent Fak Landbouwkd Toegep Biol Wet</MedlineTA><NlmUniqueID>100967625</NlmUniqueID><ISSNLinking>1373-7503</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001530" MajorTopicYN="N" Type="Geographic">Belgium</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002980" MajorTopicYN="N">Climate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D019697" MajorTopicYN="N">Onions</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010838" MajorTopicYN="N">Phytophthora</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</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="D011891" MajorTopicYN="N">Rain</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2003</Year><Month>4</Month><Day>19</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2003</Year><Month>7</Month><Day>12</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2003</Year><Month>4</Month><Day>19</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">12701432</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Belgique</li></country><region><li>Province de Flandre-Orientale</li><li>Région flamande</li></region><settlement><li>Gand</li></settlement><orgName><li>Université de Gand</li></orgName></list><tree><noCountry><name sortKey="Buysens, S" sort="Buysens, S" uniqKey="Buysens S" first="S" last="Buysens">S. Buysens</name><name sortKey="Hofte, M" sort="Hofte, M" uniqKey="Hofte M" first="M" last="Höfte">M. Höfte</name><name sortKey="Keirsebilck, D" sort="Keirsebilck, D" uniqKey="Keirsebilck D" first="D" last="Keirsebilck">D. Keirsebilck</name><name sortKey="Martens, K" sort="Martens, K" uniqKey="Martens K" first="K" last="Martens">K. Martens</name></noCountry><country name="Belgique"><region name="Région flamande"><name sortKey="De Jonghe, K" sort="De Jonghe, K" uniqKey="De Jonghe K" first="K" last="De Jonghe">K. De Jonghe</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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