Influence of Fusarium solani on citrus root rot caused by Phytophthora parasitica and Phytophthora citrophthora
Identifieur interne : 003988 ( Main/Exploration ); précédent : 003987; suivant : 003989Influence of Fusarium solani on citrus root rot caused by Phytophthora parasitica and Phytophthora citrophthora
Auteurs : M. Dandurand [États-Unis] ; A. Menge [États-Unis]Source :
- Plant and Soil [ 0032-079X ] ; 1992-07-01.
Abstract
Abstract: Interactions between Fusarium solani and Phytophthora parasitica or F. solani and P. citrophthora influenced the development of root rot of citrus but depended on the temporal order of inoculation with F. solani or the two Phytophthora spp. Inoculation of citrus with either Fusarium solani and Phytophthora parasitica or Phytophthora citrophthora increased root rot compared to inoculation with P. parasitica or P. citrophthora alone when plants were inoculated with Phytophthora by dipping their roots in zoospore suspensions and subsequently transplanted into soil infested with F. solani. However, root rot was not increased by simultaneous co-inoculation of P. parasitica and F. solani or when plants were inoculated with F. solani first. Root rot was not increased when heat-stressed or non-stressed plants were inoculated with P. parasitica 30 days after transplanting into soil infested with F. solani. In most but not all experiments, F. solani alone reduced growth of tops or roots a small but significant amount. Co-inoculation of citrus by root-dipping into zoospore suspensions of P. parasitica and transplanting into soil infested with F. solani reduced feeder root length by 62% and root weight by 61% but did not significantly reduce the percentage of living roots when compared to inoculation with P. parasitica alone. When citrus roots were immersed in zoospore suspensions of P. citrophthora and transplanted into soil infested with F. solani, feeder root length was reduced by 68%, but feeder root weight and the percentage of living roots were not significantly reduced when compared to plants inoculated with P. citrophthora alone. Propagule densities of both P. parasitica and P. citrophthora in the rhizosphere of plants inoculated by root-immersion and then transplanting into soil infested with F. solani were not significantly different than propagule densities from plants transplanted into non-infested soil. Propagule densities of P. parasitica were suppressed an average of 41% when citrus was inoculated with P. parasitica 30 days after transplanting into soil infested with F. solani and by 41% when citrus was co-inoculated by transplanting into soil infested with both F. solani and P. parasitica.
Url:
DOI: 10.1007/BF00018840
Affiliations:
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Menge</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:EAFA1FB491253FB651DF4B9FE967BE9626192608</idno><date when="1992" year="1992">1992</date><idno type="doi">10.1007/BF00018840</idno><idno type="url">https://api.istex.fr/document/EAFA1FB491253FB651DF4B9FE967BE9626192608/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001515</idno><idno type="wicri:Area/Istex/Curation">001515</idno><idno type="wicri:Area/Istex/Checkpoint">001145</idno><idno type="wicri:doubleKey">0032-079X:1992:Dandurand M:influence:of:fusarium</idno><idno type="wicri:Area/Main/Merge">003C96</idno><idno type="wicri:Area/Main/Curation">003988</idno><idno type="wicri:Area/Main/Exploration">003988</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Influence of Fusarium solani on citrus root rot caused by Phytophthora parasitica and Phytophthora citrophthora</title><author><name sortKey="Dandurand, M" sort="Dandurand, M" uniqKey="Dandurand M" first="M." last="Dandurand">M. Dandurand</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant Pathology, University of California, 92521, Riverside, CA</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Menge, A" sort="Menge, A" uniqKey="Menge A" first="A." last="Menge">A. Menge</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant Pathology, University of California, 92521, Riverside, CA</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Plant and Soil</title><title level="j" type="sub">An International Journal on Plant-Soil Relationships</title><title level="j" type="abbrev">Plant Soil</title><idno type="ISSN">0032-079X</idno><idno type="eISSN">1573-5036</idno><imprint><publisher>Kluwer Academic Publishers</publisher><pubPlace>Dordrecht</pubPlace><date type="published" when="1992-07-01">1992-07-01</date><biblScope unit="volume">144</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="13">13</biblScope><biblScope unit="page" to="21">21</biblScope></imprint><idno type="ISSN">0032-079X</idno></series><idno type="istex">EAFA1FB491253FB651DF4B9FE967BE9626192608</idno><idno type="DOI">10.1007/BF00018840</idno><idno type="ArticleID">BF00018840</idno><idno type="ArticleID">Art2</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0032-079X</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Interactions between Fusarium solani and Phytophthora parasitica or F. solani and P. citrophthora influenced the development of root rot of citrus but depended on the temporal order of inoculation with F. solani or the two Phytophthora spp. Inoculation of citrus with either Fusarium solani and Phytophthora parasitica or Phytophthora citrophthora increased root rot compared to inoculation with P. parasitica or P. citrophthora alone when plants were inoculated with Phytophthora by dipping their roots in zoospore suspensions and subsequently transplanted into soil infested with F. solani. However, root rot was not increased by simultaneous co-inoculation of P. parasitica and F. solani or when plants were inoculated with F. solani first. Root rot was not increased when heat-stressed or non-stressed plants were inoculated with P. parasitica 30 days after transplanting into soil infested with F. solani. In most but not all experiments, F. solani alone reduced growth of tops or roots a small but significant amount. Co-inoculation of citrus by root-dipping into zoospore suspensions of P. parasitica and transplanting into soil infested with F. solani reduced feeder root length by 62% and root weight by 61% but did not significantly reduce the percentage of living roots when compared to inoculation with P. parasitica alone. When citrus roots were immersed in zoospore suspensions of P. citrophthora and transplanted into soil infested with F. solani, feeder root length was reduced by 68%, but feeder root weight and the percentage of living roots were not significantly reduced when compared to plants inoculated with P. citrophthora alone. Propagule densities of both P. parasitica and P. citrophthora in the rhizosphere of plants inoculated by root-immersion and then transplanting into soil infested with F. solani were not significantly different than propagule densities from plants transplanted into non-infested soil. Propagule densities of P. parasitica were suppressed an average of 41% when citrus was inoculated with P. parasitica 30 days after transplanting into soil infested with F. solani and by 41% when citrus was co-inoculated by transplanting into soil infested with both F. solani and P. parasitica.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Californie</li></region></list><tree><country name="États-Unis"><region name="Californie"><name sortKey="Dandurand, M" sort="Dandurand, M" uniqKey="Dandurand M" first="M." last="Dandurand">M. Dandurand</name></region><name sortKey="Menge, A" sort="Menge, A" uniqKey="Menge A" first="A." last="Menge">A. Menge</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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