OrangerV1, PascalFrancis, Corpus, bibRecord, 000303

Transmission of Different Isolates of Spiroplasma citri to Carrot and Citrus by Circulifer tenellus (Hemiptera: Cicadellidae)

Identifieur interne : 000303 ( PascalFrancis/Corpus ); précédent : 000302; suivant : 000304

Transmission of Different Isolates of Spiroplasma citri to Carrot and Citrus by Circulifer tenellus (Hemiptera: Cicadellidae)

Auteurs : A. F. S. Mello ; A. C. Wayadande ; R. K. Yokomi ; J. Fletcher

Source :

Journal of economic entomology [ 0022-0493 ] ; 2009.

RBID : Pascal:09-0361459

Descripteurs français

Pascal (Inist)
- Transmission, Feuille végétal, Maladie, Vecteur, Daucus carota, Spiroplasma citri, Citrus, Circulifer tenellus.

English descriptors

KwdEn :
- Circulifer tenellus, Citrus, Daucus carota, Disease, Plant leaf, Spiroplasma citri, Transmission, Vector.

Abstract

Carrot purple leaf disease was first reported in 2006 in the state of Washington and was associated with Spiroplasma citri. The disease also was reported in California in 2008. The objectives of this work were to fulfill Koch's postulates and to determine 1) whether the beet leafhopper, Circulifer tenellus (Baker) (Hemiptera: Cicadellidae ) , transmits carrot ( Daucus carota L. subsp. Sativus (Hoffm.) Arcang] isolates of S. citri; and 2) whether carrot and citrus [Citrus sinensis (L.) Osb.]-derived spiroplasmas are pathogenic to both plant species. C. tenellus adults received a 24-h acquisition access period to a diet containing carrot-derived S. citri. After 30 d, insects were transferred to healthy carrot seedlings (five per plant). Negative controls were carrot and periwinkle [Catharanthus roseus (L.) G. Don] plants exposed to diet-only-fed insects, and positive controls were periwinkle plants exposed to insects fed on spiroplasma-supplemented diet. Purple carrot leaves and small, chlorotic periwinkle leaves were evident 10-45 d after exposure. Spiroplasmas were reisolated only from symptomatic plants, and polymerase chain reaction (PCR) confirmed their identity as S. citri. No symptoms occurred, and no spiroplasma-specific PCR amplifications or spiroplasma cultures were obtained from plants exposed to diet only-fed insects. Carrot-derived S. citri was transmitted to 15 and 50% of carrot and periwinkle plants exposed, respectively. Insects exposed to S. citri isolates from carrot or citrus transmitted the pathogen to both their host of origin and to the other plant host (carrot or citrus), showing no isolate-host specificity. Our findings confirm that carrot is a host of S. citri. Although carrot is not a preferred host of C. tenellus, it is likely that inoculative leafhoppers feed on carrot during seasonal migration.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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C01	`01`		`ENG`	@0 Carrot purple leaf disease was first reported in 2006 in the state of Washington and was associated with Spiroplasma citri. The disease also was reported in California in 2008. The objectives of this work were to fulfill Koch's postulates and to determine 1) whether the beet leafhopper, Circulifer tenellus (Baker) (Hemiptera: Cicadellidae ) , transmits carrot ( Daucus carota L. subsp. Sativus (Hoffm.) Arcang] isolates of S. citri; and 2) whether carrot and citrus [Citrus sinensis (L.) Osb.]-derived spiroplasmas are pathogenic to both plant species. C. tenellus adults received a 24-h acquisition access period to a diet containing carrot-derived S. citri. After 30 d, insects were transferred to healthy carrot seedlings (five per plant). Negative controls were carrot and periwinkle [Catharanthus roseus (L.) G. Don] plants exposed to diet-only-fed insects, and positive controls were periwinkle plants exposed to insects fed on spiroplasma-supplemented diet. Purple carrot leaves and small, chlorotic periwinkle leaves were evident 10-45 d after exposure. Spiroplasmas were reisolated only from symptomatic plants, and polymerase chain reaction (PCR) confirmed their identity as S. citri. No symptoms occurred, and no spiroplasma-specific PCR amplifications or spiroplasma cultures were obtained from plants exposed to diet only-fed insects. Carrot-derived S. citri was transmitted to 15 and 50% of carrot and periwinkle plants exposed, respectively. Insects exposed to S. citri isolates from carrot or citrus transmitted the pathogen to both their host of origin and to the other plant host (carrot or citrus), showing no isolate-host specificity. Our findings confirm that carrot is a host of S. citri. Although carrot is not a preferred host of C. tenellus, it is likely that inoculative leafhoppers feed on carrot during seasonal migration.
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C03	`01`	`X`	`ENG`	`@0 Transmission @5 01`
C03	`01`	`X`	`SPA`	`@0 Transmisión @5 01`
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C03	`02`	`X`	`ENG`	`@0 Plant leaf @5 02`
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C03	`03`	`X`	`ENG`	`@0 Disease @5 03`
C03	`03`	`X`	`SPA`	`@0 Enfermedad @5 03`
C03	`04`	`X`	`FRE`	`@0 Vecteur @5 04`
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C03	`05`	`X`	`ENG`	`@0 Daucus carota @2 NS @5 49`
C03	`05`	`X`	`SPA`	`@0 Daucus carota @2 NS @5 49`
C03	`06`	`X`	`FRE`	`@0 Spiroplasma citri @2 NS @5 55`
C03	`06`	`X`	`ENG`	`@0 Spiroplasma citri @2 NS @5 55`
C03	`06`	`X`	`SPA`	`@0 Spiroplasma citri @2 NS @5 55`
C03	`07`	`X`	`FRE`	`@0 Citrus @2 NS @5 56`
C03	`07`	`X`	`ENG`	`@0 Citrus @2 NS @5 56`
C03	`07`	`X`	`SPA`	`@0 Citrus @2 NS @5 56`
C03	`08`	`X`	`FRE`	`@0 Circulifer tenellus @2 NS @5 57`
C03	`08`	`X`	`ENG`	`@0 Circulifer tenellus @2 NS @5 57`
C03	`08`	`X`	`SPA`	`@0 Circulifer tenellus @2 NS @5 57`
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C07	`01`	`X`	`ENG`	`@0 Vegetable crop @5 26`
C07	`01`	`X`	`SPA`	`@0 Hortalizas (plantas) @5 26`
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C07	`02`	`X`	`ENG`	`@0 Citrus fruit @5 27`
C07	`02`	`X`	`SPA`	`@0 Agrios @5 27`
C07	`03`	`X`	`FRE`	`@0 Umbelliferae @2 NS`
C07	`03`	`X`	`ENG`	`@0 Umbelliferae @2 NS`
C07	`03`	`X`	`SPA`	`@0 Umbelliferae @2 NS`
C07	`04`	`X`	`FRE`	`@0 Dicotyledones @2 NS`
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C07	`06`	`X`	`FRE`	`@0 Spermatophyta @2 NS`
C07	`06`	`X`	`ENG`	`@0 Spermatophyta @2 NS`
C07	`06`	`X`	`SPA`	`@0 Spermatophyta @2 NS`
C07	`07`	`X`	`FRE`	`@0 Spiroplasmataceae @2 NS`
C07	`07`	`X`	`ENG`	`@0 Spiroplasmataceae @2 NS`
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C07	`08`	`X`	`FRE`	`@0 Mycoplasmatales @2 NS`
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C07	`09`	`X`	`ENG`	`@0 Mollicutes @2 NS`
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C07	`10`	`X`	`FRE`	`@0 Bactérie`
C07	`10`	`X`	`ENG`	`@0 Bacteria`
C07	`10`	`X`	`SPA`	`@0 Bacteria`
C07	`11`	`X`	`FRE`	`@0 Rutaceae @2 NS`
C07	`11`	`X`	`ENG`	`@0 Rutaceae @2 NS`
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C07	`12`	`X`	`FRE`	`@0 Cicadellidae @2 NS`
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C07	`12`	`X`	`SPA`	`@0 Cicadellidae @2 NS`
C07	`13`	`X`	`FRE`	`@0 Cicadomorpha @2 NS`
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N21				`@1 264`
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Format Inist (serveur)

NO :	PASCAL 09-0361459 INIST
ET :	Transmission of Different Isolates of Spiroplasma citri to Carrot and Citrus by Circulifer tenellus (Hemiptera: Cicadellidae)
AU :	MELLO (A. F. S.); WAYADANDE (A. C.); YOKOMI (R. K.); FLETCHER (J.)
AF :	Department of Entomology and Plant Pathology, Oklahoma State University, Noble Research Center 127/Stillwater, OK 74078/Etats-Unis (1 aut., 2 aut., 4 aut.); USDA-ARS/Parlier, CA 93648/Etats-Unis (3 aut.)
DT :	Publication en série; Niveau analytique
SO :	Journal of economic entomology; ISSN 0022-0493; Coden JEENAI; Etats-Unis; Da. 2009; Vol. 102; No. 4; Pp. 1417-1422; Bibl. 3/4 p.
LA :	Anglais
EA :	Carrot purple leaf disease was first reported in 2006 in the state of Washington and was associated with Spiroplasma citri. The disease also was reported in California in 2008. The objectives of this work were to fulfill Koch's postulates and to determine 1) whether the beet leafhopper, Circulifer tenellus (Baker) (Hemiptera: Cicadellidae ) , transmits carrot ( Daucus carota L. subsp. Sativus (Hoffm.) Arcang] isolates of S. citri; and 2) whether carrot and citrus [Citrus sinensis (L.) Osb.]-derived spiroplasmas are pathogenic to both plant species. C. tenellus adults received a 24-h acquisition access period to a diet containing carrot-derived S. citri. After 30 d, insects were transferred to healthy carrot seedlings (five per plant). Negative controls were carrot and periwinkle [Catharanthus roseus (L.) G. Don] plants exposed to diet-only-fed insects, and positive controls were periwinkle plants exposed to insects fed on spiroplasma-supplemented diet. Purple carrot leaves and small, chlorotic periwinkle leaves were evident 10-45 d after exposure. Spiroplasmas were reisolated only from symptomatic plants, and polymerase chain reaction (PCR) confirmed their identity as S. citri. No symptoms occurred, and no spiroplasma-specific PCR amplifications or spiroplasma cultures were obtained from plants exposed to diet only-fed insects. Carrot-derived S. citri was transmitted to 15 and 50% of carrot and periwinkle plants exposed, respectively. Insects exposed to S. citri isolates from carrot or citrus transmitted the pathogen to both their host of origin and to the other plant host (carrot or citrus), showing no isolate-host specificity. Our findings confirm that carrot is a host of S. citri. Although carrot is not a preferred host of C. tenellus, it is likely that inoculative leafhoppers feed on carrot during seasonal migration.
CC :	002A34I03A
FD :	Transmission; Feuille végétal; Maladie; Vecteur; Daucus carota; Spiroplasma citri; Citrus; Circulifer tenellus
FG :	Plante légumière; Agrume; Umbelliferae; Dicotyledones; Angiospermae; Spermatophyta; Spiroplasmataceae; Mycoplasmatales; Mollicutes; Bactérie; Rutaceae; Cicadellidae; Cicadomorpha; Homoptera; Insecta; Arthropoda; Invertebrata
ED :	Transmission; Plant leaf; Disease; Vector; Daucus carota; Spiroplasma citri; Citrus; Circulifer tenellus
EG :	Vegetable crop; Citrus fruit; Umbelliferae; Dicotyledones; Angiospermae; Spermatophyta; Spiroplasmataceae; Mycoplasmatales; Mollicutes; Bacteria; Rutaceae; Cicadellidae; Cicadomorpha; Homoptera; Insecta; Arthropoda; Invertebrata
SD :	Transmisión; Hoja vegetal; Enfermedad; Vector; Daucus carota; Spiroplasma citri; Citrus; Circulifer tenellus
LO :	INIST-6318.354000187533440030
ID :	09-0361459

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Pascal:09-0361459

Le document en format XML

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<front><div type="abstract" xml:lang="en">Carrot purple leaf disease was first reported in 2006 in the state of Washington and was associated with Spiroplasma citri. The disease also was reported in California in 2008. The objectives of this work were to fulfill Koch's postulates and to determine 1) whether the beet leafhopper, Circulifer tenellus (Baker) (Hemiptera: Cicadellidae ) , transmits carrot ( Daucus carota L. subsp. Sativus (Hoffm.) Arcang] isolates of S. citri; and 2) whether carrot and citrus [Citrus sinensis (L.) Osb.]-derived spiroplasmas are pathogenic to both plant species. C. tenellus adults received a 24-h acquisition access period to a diet containing carrot-derived S. citri. After 30 d, insects were transferred to healthy carrot seedlings (five per plant). Negative controls were carrot and periwinkle [Catharanthus roseus (L.) G. Don] plants exposed to diet-only-fed insects, and positive controls were periwinkle plants exposed to insects fed on spiroplasma-supplemented diet. Purple carrot leaves and small, chlorotic periwinkle leaves were evident 10-45 d after exposure. Spiroplasmas were reisolated only from symptomatic plants, and polymerase chain reaction (PCR) confirmed their identity as S. citri. No symptoms occurred, and no spiroplasma-specific PCR amplifications or spiroplasma cultures were obtained from plants exposed to diet only-fed insects. Carrot-derived S. citri was transmitted to 15 and 50% of carrot and periwinkle plants exposed, respectively. Insects exposed to S. citri isolates from carrot or citrus transmitted the pathogen to both their host of origin and to the other plant host (carrot or citrus), showing no isolate-host specificity. Our findings confirm that carrot is a host of S. citri. Although carrot is not a preferred host of C. tenellus, it is likely that inoculative leafhoppers feed on carrot during seasonal migration.</div>
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<sZ>3 aut.</sZ>
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<fA20><s1>1417-1422</s1>
</fA20>
<fA21><s1>2009</s1>
</fA21>
<fA23 i1="01"><s0>ENG</s0>
</fA23>
<fA43 i1="01"><s1>INIST</s1>
<s2>6318</s2>
<s5>354000187533440030</s5>
</fA43>
<fA44><s0>0000</s0>
<s1>© 2009 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45><s0>3/4 p.</s0>
</fA45>
<fA47 i1="01" i2="1"><s0>09-0361459</s0>
</fA47>
<fA60><s1>P</s1>
</fA60>
<fA61><s0>A</s0>
</fA61>
<fA64 i1="01" i2="1"><s0>Journal of economic entomology</s0>
</fA64>
<fA66 i1="01"><s0>USA</s0>
</fA66>
<fC01 i1="01" l="ENG"><s0>Carrot purple leaf disease was first reported in 2006 in the state of Washington and was associated with Spiroplasma citri. The disease also was reported in California in 2008. The objectives of this work were to fulfill Koch's postulates and to determine 1) whether the beet leafhopper, Circulifer tenellus (Baker) (Hemiptera: Cicadellidae ) , transmits carrot ( Daucus carota L. subsp. Sativus (Hoffm.) Arcang] isolates of S. citri; and 2) whether carrot and citrus [Citrus sinensis (L.) Osb.]-derived spiroplasmas are pathogenic to both plant species. C. tenellus adults received a 24-h acquisition access period to a diet containing carrot-derived S. citri. After 30 d, insects were transferred to healthy carrot seedlings (five per plant). Negative controls were carrot and periwinkle [Catharanthus roseus (L.) G. Don] plants exposed to diet-only-fed insects, and positive controls were periwinkle plants exposed to insects fed on spiroplasma-supplemented diet. Purple carrot leaves and small, chlorotic periwinkle leaves were evident 10-45 d after exposure. Spiroplasmas were reisolated only from symptomatic plants, and polymerase chain reaction (PCR) confirmed their identity as S. citri. No symptoms occurred, and no spiroplasma-specific PCR amplifications or spiroplasma cultures were obtained from plants exposed to diet only-fed insects. Carrot-derived S. citri was transmitted to 15 and 50% of carrot and periwinkle plants exposed, respectively. Insects exposed to S. citri isolates from carrot or citrus transmitted the pathogen to both their host of origin and to the other plant host (carrot or citrus), showing no isolate-host specificity. Our findings confirm that carrot is a host of S. citri. Although carrot is not a preferred host of C. tenellus, it is likely that inoculative leafhoppers feed on carrot during seasonal migration.</s0>
</fC01>
<fC02 i1="01" i2="X"><s0>002A34I03A</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE"><s0>Transmission</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG"><s0>Transmission</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA"><s0>Transmisión</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE"><s0>Feuille végétal</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG"><s0>Plant leaf</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA"><s0>Hoja vegetal</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE"><s0>Maladie</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG"><s0>Disease</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA"><s0>Enfermedad</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE"><s0>Vecteur</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG"><s0>Vector</s0>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA"><s0>Vector</s0>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE"><s0>Daucus carota</s0>
<s2>NS</s2>
<s5>49</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG"><s0>Daucus carota</s0>
<s2>NS</s2>
<s5>49</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA"><s0>Daucus carota</s0>
<s2>NS</s2>
<s5>49</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE"><s0>Spiroplasma citri</s0>
<s2>NS</s2>
<s5>55</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG"><s0>Spiroplasma citri</s0>
<s2>NS</s2>
<s5>55</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA"><s0>Spiroplasma citri</s0>
<s2>NS</s2>
<s5>55</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE"><s0>Citrus</s0>
<s2>NS</s2>
<s5>56</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG"><s0>Citrus</s0>
<s2>NS</s2>
<s5>56</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA"><s0>Citrus</s0>
<s2>NS</s2>
<s5>56</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Circulifer tenellus</s0>
<s2>NS</s2>
<s5>57</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Circulifer tenellus</s0>
<s2>NS</s2>
<s5>57</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Circulifer tenellus</s0>
<s2>NS</s2>
<s5>57</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Plante légumière</s0>
<s5>26</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Vegetable crop</s0>
<s5>26</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Hortalizas (plantas)</s0>
<s5>26</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Agrume</s0>
<s5>27</s5>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>27</s5>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Agrios</s0>
<s5>27</s5>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Umbelliferae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Umbelliferae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Umbelliferae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Spiroplasmataceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Spiroplasmataceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Spiroplasmataceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Mycoplasmatales</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Mycoplasmatales</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Mycoplasmatales</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Mollicutes</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="ENG"><s0>Mollicutes</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Mollicutes</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="10" i2="X" l="FRE"><s0>Bactérie</s0>
</fC07>
<fC07 i1="10" i2="X" l="ENG"><s0>Bacteria</s0>
</fC07>
<fC07 i1="10" i2="X" l="SPA"><s0>Bacteria</s0>
</fC07>
<fC07 i1="11" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="11" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="11" i2="X" l="SPA"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="12" i2="X" l="FRE"><s0>Cicadellidae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="12" i2="X" l="ENG"><s0>Cicadellidae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="12" i2="X" l="SPA"><s0>Cicadellidae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="13" i2="X" l="FRE"><s0>Cicadomorpha</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="13" i2="X" l="ENG"><s0>Cicadomorpha</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="13" i2="X" l="SPA"><s0>Cicadomorpha</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="14" i2="X" l="FRE"><s0>Homoptera</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="14" i2="X" l="ENG"><s0>Homoptera</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="14" i2="X" l="SPA"><s0>Homoptera</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="15" i2="X" l="FRE"><s0>Insecta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="15" i2="X" l="ENG"><s0>Insecta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="15" i2="X" l="SPA"><s0>Insecta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="16" i2="X" l="FRE"><s0>Arthropoda</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="16" i2="X" l="ENG"><s0>Arthropoda</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="16" i2="X" l="SPA"><s0>Arthropoda</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="17" i2="X" l="FRE"><s0>Invertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="17" i2="X" l="ENG"><s0>Invertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="17" i2="X" l="SPA"><s0>Invertebrata</s0>
<s2>NS</s2>
</fC07>
<fN21><s1>264</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 09-0361459 INIST</NO>
<ET>Transmission of Different Isolates of Spiroplasma citri to Carrot and Citrus by Circulifer tenellus (Hemiptera: Cicadellidae)</ET>
<AU>MELLO (A. F. S.); WAYADANDE (A. C.); YOKOMI (R. K.); FLETCHER (J.)</AU>
<AF>Department of Entomology and Plant Pathology, Oklahoma State University, Noble Research Center 127/Stillwater, OK 74078/Etats-Unis (1 aut., 2 aut., 4 aut.); USDA-ARS/Parlier, CA 93648/Etats-Unis (3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Journal of economic entomology; ISSN 0022-0493; Coden JEENAI; Etats-Unis; Da. 2009; Vol. 102; No. 4; Pp. 1417-1422; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>Carrot purple leaf disease was first reported in 2006 in the state of Washington and was associated with Spiroplasma citri. The disease also was reported in California in 2008. The objectives of this work were to fulfill Koch's postulates and to determine 1) whether the beet leafhopper, Circulifer tenellus (Baker) (Hemiptera: Cicadellidae ) , transmits carrot ( Daucus carota L. subsp. Sativus (Hoffm.) Arcang] isolates of S. citri; and 2) whether carrot and citrus [Citrus sinensis (L.) Osb.]-derived spiroplasmas are pathogenic to both plant species. C. tenellus adults received a 24-h acquisition access period to a diet containing carrot-derived S. citri. After 30 d, insects were transferred to healthy carrot seedlings (five per plant). Negative controls were carrot and periwinkle [Catharanthus roseus (L.) G. Don] plants exposed to diet-only-fed insects, and positive controls were periwinkle plants exposed to insects fed on spiroplasma-supplemented diet. Purple carrot leaves and small, chlorotic periwinkle leaves were evident 10-45 d after exposure. Spiroplasmas were reisolated only from symptomatic plants, and polymerase chain reaction (PCR) confirmed their identity as S. citri. No symptoms occurred, and no spiroplasma-specific PCR amplifications or spiroplasma cultures were obtained from plants exposed to diet only-fed insects. Carrot-derived S. citri was transmitted to 15 and 50% of carrot and periwinkle plants exposed, respectively. Insects exposed to S. citri isolates from carrot or citrus transmitted the pathogen to both their host of origin and to the other plant host (carrot or citrus), showing no isolate-host specificity. Our findings confirm that carrot is a host of S. citri. Although carrot is not a preferred host of C. tenellus, it is likely that inoculative leafhoppers feed on carrot during seasonal migration.</EA>
<CC>002A34I03A</CC>
<FD>Transmission; Feuille végétal; Maladie; Vecteur; Daucus carota; Spiroplasma citri; Citrus; Circulifer tenellus</FD>
<FG>Plante légumière; Agrume; Umbelliferae; Dicotyledones; Angiospermae; Spermatophyta; Spiroplasmataceae; Mycoplasmatales; Mollicutes; Bactérie; Rutaceae; Cicadellidae; Cicadomorpha; Homoptera; Insecta; Arthropoda; Invertebrata</FG>
<ED>Transmission; Plant leaf; Disease; Vector; Daucus carota; Spiroplasma citri; Citrus; Circulifer tenellus</ED>
<EG>Vegetable crop; Citrus fruit; Umbelliferae; Dicotyledones; Angiospermae; Spermatophyta; Spiroplasmataceae; Mycoplasmatales; Mollicutes; Bacteria; Rutaceae; Cicadellidae; Cicadomorpha; Homoptera; Insecta; Arthropoda; Invertebrata</EG>
<SD>Transmisión; Hoja vegetal; Enfermedad; Vector; Daucus carota; Spiroplasma citri; Citrus; Circulifer tenellus</SD>
<LO>INIST-6318.354000187533440030</LO>
<ID>09-0361459</ID>
</server>
</inist>
</record>

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Transmission of Different Isolates of Spiroplasma citri to Carrot and Citrus by Circulifer tenellus (Hemiptera: Cicadellidae)

Transmission of Different Isolates of Spiroplasma citri to Carrot and Citrus by Circulifer tenellus (Hemiptera: Cicadellidae)

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