Zoospore encystment and pathogenicity of Phytophthora and Pythium species on plant roots.
Identifieur interne : 001F46 ( Main/Exploration ); précédent : 001F45; suivant : 001F47Zoospore encystment and pathogenicity of Phytophthora and Pythium species on plant roots.
Auteurs : Yannis Raftoyannis [Grèce] ; Michael W. DickSource :
- Microbiological research [ 0944-5013 ] ; 2006.
Descripteurs français
- KwdFr :
- Avena (MeSH), Beta vulgaris (MeSH), Lycopersicon esculentum (MeSH), Maladies des plantes (microbiologie), Medicago sativa (MeSH), Phytophthora (croissance et développement), Phytophthora (pathogénicité), Pythium (croissance et développement), Pythium (pathogénicité), Racines de plante (microbiologie), Répartition aléatoire (MeSH), Sorghum (MeSH), Spores (croissance et développement), Triticum (MeSH), Zea mays (MeSH).
- MESH :
- croissance et développement : Phytophthora, Pythium, Spores.
- microbiologie : Maladies des plantes, Racines de plante.
- pathogénicité : Phytophthora, Pythium.
- Avena, Beta vulgaris, Lycopersicon esculentum, Medicago sativa, Répartition aléatoire, Sorghum, Triticum, Zea mays.
English descriptors
- KwdEn :
- Avena (MeSH), Beta vulgaris (MeSH), Lycopersicon esculentum (MeSH), Medicago sativa (MeSH), Phytophthora (growth & development), Phytophthora (pathogenicity), Plant Diseases (microbiology), Plant Roots (microbiology), Pythium (growth & development), Pythium (pathogenicity), Random Allocation (MeSH), Sorghum (MeSH), Spores (growth & development), Triticum (MeSH), Zea mays (MeSH).
- MESH :
- growth & development : Phytophthora, Pythium, Spores.
- microbiology : Plant Diseases, Plant Roots.
- pathogenicity : Phytophthora, Pythium.
- Avena, Beta vulgaris, Lycopersicon esculentum, Medicago sativa, Random Allocation, Sorghum, Triticum, Zea mays.
Abstract
Seven plant species (lucerne, maize, oat, sugarbeet, sorghum, tomato, wheat) and 12 Pythium and Phytophthora species were used in a comparative study designed to investigate the effects of plant and oomycete inter-specific variation on zoospore encystment density and pathogenicity. Zoospores showed differential encystment behaviour and they encysted more on dicotyledonous than on monocotyledonous plants. Pythium aphanidermatum, P. deliense, and Phytophthora nicotianae were the most aggressive species. Sugarbeet was the most severely attacked plant species followed by tomato while oat plants were relatively unaffected. The relationship between zoospore encystment on roots and disease severity depended on the oomycete-plant combination. Correlation analysis between zoospore encystment density and disease severity indicated low and no significant levels (p.05) of association for most plant-oomycete combinations.
DOI: 10.1016/j.micres.2005.04.003
PubMed: 16338584
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Avena (MeSH)</term>
<term>Beta vulgaris (MeSH)</term>
<term>Lycopersicon esculentum (MeSH)</term>
<term>Medicago sativa (MeSH)</term>
<term>Phytophthora (growth & development)</term>
<term>Phytophthora (pathogenicity)</term>
<term>Plant Diseases (microbiology)</term>
<term>Plant Roots (microbiology)</term>
<term>Pythium (growth & development)</term>
<term>Pythium (pathogenicity)</term>
<term>Random Allocation (MeSH)</term>
<term>Sorghum (MeSH)</term>
<term>Spores (growth & development)</term>
<term>Triticum (MeSH)</term>
<term>Zea mays (MeSH)</term>
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<term>Beta vulgaris (MeSH)</term>
<term>Lycopersicon esculentum (MeSH)</term>
<term>Maladies des plantes (microbiologie)</term>
<term>Medicago sativa (MeSH)</term>
<term>Phytophthora (croissance et développement)</term>
<term>Phytophthora (pathogénicité)</term>
<term>Pythium (croissance et développement)</term>
<term>Pythium (pathogénicité)</term>
<term>Racines de plante (microbiologie)</term>
<term>Répartition aléatoire (MeSH)</term>
<term>Sorghum (MeSH)</term>
<term>Spores (croissance et développement)</term>
<term>Triticum (MeSH)</term>
<term>Zea mays (MeSH)</term>
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<keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Phytophthora</term>
<term>Pythium</term>
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<term>Pythium</term>
<term>Spores</term>
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<keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Maladies des plantes</term>
<term>Racines de plante</term>
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<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Diseases</term>
<term>Plant Roots</term>
</keywords>
<keywords scheme="MESH" qualifier="pathogenicity" xml:lang="en"><term>Phytophthora</term>
<term>Pythium</term>
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<term>Zea mays</term>
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<term>Répartition aléatoire</term>
<term>Sorghum</term>
<term>Triticum</term>
<term>Zea mays</term>
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<front><div type="abstract" xml:lang="en">Seven plant species (lucerne, maize, oat, sugarbeet, sorghum, tomato, wheat) and 12 Pythium and Phytophthora species were used in a comparative study designed to investigate the effects of plant and oomycete inter-specific variation on zoospore encystment density and pathogenicity. Zoospores showed differential encystment behaviour and they encysted more on dicotyledonous than on monocotyledonous plants. Pythium aphanidermatum, P. deliense, and Phytophthora nicotianae were the most aggressive species. Sugarbeet was the most severely attacked plant species followed by tomato while oat plants were relatively unaffected. The relationship between zoospore encystment on roots and disease severity depended on the oomycete-plant combination. Correlation analysis between zoospore encystment density and disease severity indicated low and no significant levels (p.05) of association for most plant-oomycete combinations.</div>
</front>
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<Title>Microbiological research</Title>
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<Abstract><AbstractText>Seven plant species (lucerne, maize, oat, sugarbeet, sorghum, tomato, wheat) and 12 Pythium and Phytophthora species were used in a comparative study designed to investigate the effects of plant and oomycete inter-specific variation on zoospore encystment density and pathogenicity. Zoospores showed differential encystment behaviour and they encysted more on dicotyledonous than on monocotyledonous plants. Pythium aphanidermatum, P. deliense, and Phytophthora nicotianae were the most aggressive species. Sugarbeet was the most severely attacked plant species followed by tomato while oat plants were relatively unaffected. The relationship between zoospore encystment on roots and disease severity depended on the oomycete-plant combination. Correlation analysis between zoospore encystment density and disease severity indicated low and no significant levels (p.05) of association for most plant-oomycete combinations.</AbstractText>
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<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Raftoyannis</LastName>
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