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Evaluation of tolerance of citrus roostocks to phytophthora root rot in chlamydospore-infested soil

Identifieur interne : 003D98 ( Main/Exploration ); précédent : 003D97; suivant : 003D99

Evaluation of tolerance of citrus roostocks to phytophthora root rot in chlamydospore-infested soil

Auteurs : J. H. Graham [États-Unis]

Source :

Plant disease [ 0191-2917 ] ; 1990.

RBID : Pascal:92-0682541

Descripteurs français

Pascal (Inist)
- Porte greffe, Tolérance, Agrume, Citrus sinensis, Citrus aurantium, Citrus reticulata, Floride, Inoculum, Relation dose réponse, Indice gravité, Arbre fruitier, Etude comparative, Verger, Sol cultivé, Essai en champ, Phytophthora nicotianae, Citrus sinensis Poncirus trifoliata, Citrus paradisi Poncirus trifoliata, Citrus volkameriana, Champignon tellurique.
Wicri :
- topic : Agrume, Verger.

English descriptors

KwdEn :
- Citrus aurantium, Citrus fruit, Citrus reticulata, Citrus sinensis, Comparative study, Cultivated soil, Dose activity relation, Field experiment, Florida, Fruit tree, Inoculum, Orchard, Phytophthora nicotianae, Rootstock, Severity score, Soil fungi, Tolerance.

Abstract

Seven citrus rootstocks of commercial importance in Florida were evaluated for their tolerance to Phytophthora root rot. Six-month-old seedlings were planted in soil artificially infested with chlamydospores at 0, 0.5, 1, 5, and 10 propagules of Phytophthora parasitica per cm³ of soil. For all rootstocks, at 6 wk after inoculation there was little increase in disease rating with an increase in inoculum density above 1 propagule/cm³. Disease severity at the higher inoculum densities was significantly greater for the susceptible rootstocks (sour orange, Ridge Pineapple sweet orange, Cleopatra mandarin, and Carizzo citrange) than for the tolerant rootstocks (trifoliate orange and Swingle citrumelo) (...)

Affiliations:

États-Unis

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Le document en format XML

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<author><name sortKey="Graham, J H" sort="Graham, J H" uniqKey="Graham J" first="J. H." last="Graham">J. H. Graham</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Univ. Florida, inst. food agriculure sci., Citrus res. education cent. </s1>
<s2>Lade Alfred FL 33850</s2>
<s3>USA</s3>
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<country>États-Unis</country>
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<author><name sortKey="Graham, J H" sort="Graham, J H" uniqKey="Graham J" first="J. H." last="Graham">J. H. Graham</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Univ. Florida, inst. food agriculure sci., Citrus res. education cent. </s1>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Citrus aurantium</term>
<term>Citrus fruit</term>
<term>Citrus reticulata</term>
<term>Citrus sinensis</term>
<term>Comparative study</term>
<term>Cultivated soil</term>
<term>Dose activity relation</term>
<term>Field experiment</term>
<term>Florida</term>
<term>Fruit tree</term>
<term>Inoculum</term>
<term>Orchard</term>
<term>Phytophthora nicotianae</term>
<term>Rootstock</term>
<term>Severity score</term>
<term>Soil fungi</term>
<term>Tolerance</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Porte greffe</term>
<term>Tolérance</term>
<term>Agrume</term>
<term>Citrus sinensis</term>
<term>Citrus aurantium</term>
<term>Citrus reticulata</term>
<term>Floride</term>
<term>Inoculum</term>
<term>Relation dose réponse</term>
<term>Indice gravité</term>
<term>Arbre fruitier</term>
<term>Etude comparative</term>
<term>Verger</term>
<term>Sol cultivé</term>
<term>Essai en champ</term>
<term>Phytophthora nicotianae</term>
<term>Citrus sinensis  Poncirus trifoliata</term>
<term>Citrus paradisi  Poncirus trifoliata</term>
<term>Citrus volkameriana</term>
<term>Champignon tellurique</term>
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<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Agrume</term>
<term>Verger</term>
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<front><div type="abstract" xml:lang="en">Seven citrus rootstocks of commercial importance in Florida were evaluated for their tolerance to Phytophthora root rot. Six-month-old seedlings were planted in soil artificially infested with chlamydospores at 0, 0.5, 1, 5, and 10 propagules of Phytophthora parasitica per cm<sup>3</sup>
 of soil. For all rootstocks, at 6 wk after inoculation there was little increase in disease rating with an increase in inoculum density above 1 propagule/cm<sup>3</sup>
. Disease severity at the higher inoculum densities was significantly greater for the susceptible rootstocks (sour orange, Ridge Pineapple sweet orange, Cleopatra mandarin, and Carizzo citrange) than for the tolerant rootstocks (trifoliate orange and Swingle citrumelo) (...)</div>
</front>
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<affiliations><list><country><li>États-Unis</li>
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<tree><country name="États-Unis"><noRegion><name sortKey="Graham, J H" sort="Graham, J H" uniqKey="Graham J" first="J. H." last="Graham">J. H. Graham</name>
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Evaluation of tolerance of citrus roostocks to phytophthora root rot in chlamydospore-infested soil

Evaluation of tolerance of citrus roostocks to phytophthora root rot in chlamydospore-infested soil

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri