Characterization of electrical penetration graphs of the Asian citrus psyllid, Diaphorina citri, in sweet orange seedlings
Identifieur interne : 000225 ( PascalFrancis/Corpus ); précédent : 000224; suivant : 000226Characterization of electrical penetration graphs of the Asian citrus psyllid, Diaphorina citri, in sweet orange seedlings
Auteurs : J. P. Bonani ; A. Fereres ; E. Garzo ; M. P. Miranda ; B. Appezzato-Da-Gloria ; J. R. S. LopesSource :
- Entomologia experimentalis et applicata [ 0013-8703 ] ; 2010.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
Detailed information on probing behavior of the Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is critical for understanding the transmission process of phloem-limited bacteria (Candidatus Liberibacter spp.) associated with citrus 'huanglongbing' by this vector. In this study, we investigated stylet penetration activities of D. citri on seedlings of Citrus sinensis (L.) Osbeck cv. Pêra (Rutaceae) by using the electrical penetration graph (EPG-DC system) technique. EPG waveforms were described based on amplitude, frequency, voltage level, and electrical origin of the observed traces during stylet penetration into plant tissues. The main waveforms were correlated with histological observations of salivary sheath termini in plant tissues, to determine the putative location of stylet tips. The behavioral activities were also inferred based on waveform similarities in relation to other Sternorrhyncha, particularly aphids and whiteflies. In addition, we correlated the occurrence of specific waveforms with the acquisition of the phloem-limited bacterium Ca. Liberibacter asiaticus by D. citri. The occurrence of a G-like xylem sap ingestion waveform in starved and unstarved psyllids was also compared. By analyzing 8-h EPGs of adult females, five waveforms were described: (C) salivary sheath secretion and other stylet pathway activities; (D) first contact with phloem (distinct from other waveforms reported for Sternorrhyncha); (E1) putative salivation in phloem sieve tubes; (E2) phloem sap ingestion; and (G) probably xylem sap ingestion. Diaphorina citri initiates a probe with stylet pathway through epidermis and parenchyma (C). Interestingly, no potential drops were observed during the stylet pathway phase, as are usually recorded in aphids and other Sternorrhyncha. Once in C, D. citri shows a higher propensity to return to non-probing than to start a phloem or xylem phase. Several probes are usually observed before the phloem phase; waveform D is observed upon phloem contact, always immediately followed by E1. After E1, D. citri either returns to pathway activity (C) or starts phloem sap ingestion, which was the longest activity observed.
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NO : | PASCAL 10-0431842 INIST |
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ET : | Characterization of electrical penetration graphs of the Asian citrus psyllid, Diaphorina citri, in sweet orange seedlings |
AU : | BONANI (J. P.); FERERES (A.); GARZO (E.); MIRANDA (M. P.); APPEZZATO-DA-GLORIA (B.); LOPES (J. R. S.) |
AF : | Departamento de Entomologia e Acarologia, ESALQ/Universidade de São Paulo, CP. 9/Piracicaba, SP 13418-900/Brésil (1 aut., 6 aut.); Departamento de Protección Vegetal, Instituto de Ciencias Agrarias (ICA, CSIC), C/Serrano, 115 dpdo/28006 Madrid/Espagne (2 aut., 3 aut.); Fundecitrus, Av. Adhemar de Barros, 201/Araraquara, SP, CEP 14807-040/Brésil (4 aut.); Departamento de Ciências Biológicas, ESALQ/Universidade de São Paulo, CP. 9/Piracicaba, SP 13418-900/Brésil (5 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Entomologia experimentalis et applicata; ISSN 0013-8703; Coden ETEAAT; Royaume-Uni; Da. 2010; Vol. 134; No. 1; Pp. 35-49; Bibl. 2 p.1/4 |
LA : | Anglais |
EA : | Detailed information on probing behavior of the Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is critical for understanding the transmission process of phloem-limited bacteria (Candidatus Liberibacter spp.) associated with citrus 'huanglongbing' by this vector. In this study, we investigated stylet penetration activities of D. citri on seedlings of Citrus sinensis (L.) Osbeck cv. Pêra (Rutaceae) by using the electrical penetration graph (EPG-DC system) technique. EPG waveforms were described based on amplitude, frequency, voltage level, and electrical origin of the observed traces during stylet penetration into plant tissues. The main waveforms were correlated with histological observations of salivary sheath termini in plant tissues, to determine the putative location of stylet tips. The behavioral activities were also inferred based on waveform similarities in relation to other Sternorrhyncha, particularly aphids and whiteflies. In addition, we correlated the occurrence of specific waveforms with the acquisition of the phloem-limited bacterium Ca. Liberibacter asiaticus by D. citri. The occurrence of a G-like xylem sap ingestion waveform in starved and unstarved psyllids was also compared. By analyzing 8-h EPGs of adult females, five waveforms were described: (C) salivary sheath secretion and other stylet pathway activities; (D) first contact with phloem (distinct from other waveforms reported for Sternorrhyncha); (E1) putative salivation in phloem sieve tubes; (E2) phloem sap ingestion; and (G) probably xylem sap ingestion. Diaphorina citri initiates a probe with stylet pathway through epidermis and parenchyma (C). Interestingly, no potential drops were observed during the stylet pathway phase, as are usually recorded in aphids and other Sternorrhyncha. Once in C, D. citri shows a higher propensity to return to non-probing than to start a phloem or xylem phase. Several probes are usually observed before the phloem phase; waveform D is observed upon phloem contact, always immediately followed by E1. After E1, D. citri either returns to pathway activity (C) or starts phloem sap ingestion, which was the longest activity observed. |
CC : | 002A13B; 002A14B02B |
FD : | Comportement alimentaire; Phytophage; Déprédateur; Arbre fruitier; Vecteur; Bactérie; Phytopathogène; Relation animal végétal; Citrus sinensis; Psyllidae; Diaphorina citri; Electropénétrographe |
FG : | Agrume; Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Psylloidea; Homoptera; Insecta; Arthropoda; Invertebrata |
ED : | Feeding behavior; Phytophagous; Pest; Fruit tree; Vector; Bacteria; Plant pathogen; Animal plant relation; Citrus sinensis; Psyllidae; Electric penetration graph |
EG : | Citrus fruit; Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Psylloidea; Homoptera; Insecta; Arthropoda; Invertebrata |
SD : | Conducta alimenticia; Fitófago; Plaga; Arbol frutal; Vector; Bacteria; Fitopatógeno; Relación animal vegetal; Citrus sinensis; Psyllidae; Penetrógrafo eléctrico |
LO : | INIST-8629.354000171689650030 |
ID : | 10-0431842 |
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Pascal:10-0431842Le document en format XML
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<front><div type="abstract" xml:lang="en">Detailed information on probing behavior of the Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is critical for understanding the transmission process of phloem-limited bacteria (Candidatus Liberibacter spp.) associated with citrus 'huanglongbing' by this vector. In this study, we investigated stylet penetration activities of D. citri on seedlings of Citrus sinensis (L.) Osbeck cv. Pêra (Rutaceae) by using the electrical penetration graph (EPG-DC system) technique. EPG waveforms were described based on amplitude, frequency, voltage level, and electrical origin of the observed traces during stylet penetration into plant tissues. The main waveforms were correlated with histological observations of salivary sheath termini in plant tissues, to determine the putative location of stylet tips. The behavioral activities were also inferred based on waveform similarities in relation to other Sternorrhyncha, particularly aphids and whiteflies. In addition, we correlated the occurrence of specific waveforms with the acquisition of the phloem-limited bacterium Ca. Liberibacter asiaticus by D. citri. The occurrence of a G-like xylem sap ingestion waveform in starved and unstarved psyllids was also compared. By analyzing 8-h EPGs of adult females, five waveforms were described: (C) salivary sheath secretion and other stylet pathway activities; (D) first contact with phloem (distinct from other waveforms reported for Sternorrhyncha); (E1) putative salivation in phloem sieve tubes; (E2) phloem sap ingestion; and (G) probably xylem sap ingestion. Diaphorina citri initiates a probe with stylet pathway through epidermis and parenchyma (C). Interestingly, no potential drops were observed during the stylet pathway phase, as are usually recorded in aphids and other Sternorrhyncha. Once in C, D. citri shows a higher propensity to return to non-probing than to start a phloem or xylem phase. Several probes are usually observed before the phloem phase; waveform D is observed upon phloem contact, always immediately followed by E1. After E1, D. citri either returns to pathway activity (C) or starts phloem sap ingestion, which was the longest activity observed.</div>
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<s5>07</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE"><s0>Relation animal végétal</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG"><s0>Animal plant relation</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA"><s0>Relación animal vegetal</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>55</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>55</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA"><s0>Citrus sinensis</s0>
<s2>NS</s2>
<s5>55</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Psyllidae</s0>
<s2>NS</s2>
<s5>56</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Psyllidae</s0>
<s2>NS</s2>
<s5>56</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Psyllidae</s0>
<s2>NS</s2>
<s5>56</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE"><s0>Diaphorina citri</s0>
<s4>INC</s4>
<s5>64</s5>
</fC03>
<fC03 i1="12" i2="X" l="FRE"><s0>Electropénétrographe</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="12" i2="X" l="ENG"><s0>Electric penetration graph</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC03 i1="12" i2="X" l="SPA"><s0>Penetrógrafo eléctrico</s0>
<s4>CD</s4>
<s5>96</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Agrume</s0>
<s5>26</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Citrus fruit</s0>
<s5>26</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Agrios</s0>
<s5>26</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Rutaceae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA"><s0>Dicotyledones</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="ENG"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA"><s0>Angiospermae</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="FRE"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="ENG"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="05" i2="X" l="SPA"><s0>Spermatophyta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="06" i2="X" l="FRE"><s0>Psylloidea</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="06" i2="X" l="ENG"><s0>Psylloidea</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="06" i2="X" l="SPA"><s0>Psylloidea</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="FRE"><s0>Homoptera</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="ENG"><s0>Homoptera</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="SPA"><s0>Homoptera</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="FRE"><s0>Insecta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="ENG"><s0>Insecta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="SPA"><s0>Insecta</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="FRE"><s0>Arthropoda</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="ENG"><s0>Arthropoda</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="SPA"><s0>Arthropoda</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="10" i2="X" l="FRE"><s0>Invertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="10" i2="X" l="ENG"><s0>Invertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="10" i2="X" l="SPA"><s0>Invertebrata</s0>
<s2>NS</s2>
</fC07>
<fN21><s1>284</s1>
</fN21>
</pA>
</standard>
<server><NO>PASCAL 10-0431842 INIST</NO>
<ET>Characterization of electrical penetration graphs of the Asian citrus psyllid, Diaphorina citri, in sweet orange seedlings</ET>
<AU>BONANI (J. P.); FERERES (A.); GARZO (E.); MIRANDA (M. P.); APPEZZATO-DA-GLORIA (B.); LOPES (J. R. S.)</AU>
<AF>Departamento de Entomologia e Acarologia, ESALQ/Universidade de São Paulo, CP. 9/Piracicaba, SP 13418-900/Brésil (1 aut., 6 aut.); Departamento de Protección Vegetal, Instituto de Ciencias Agrarias (ICA, CSIC), C/Serrano, 115 dpdo/28006 Madrid/Espagne (2 aut., 3 aut.); Fundecitrus, Av. Adhemar de Barros, 201/Araraquara, SP, CEP 14807-040/Brésil (4 aut.); Departamento de Ciências Biológicas, ESALQ/Universidade de São Paulo, CP. 9/Piracicaba, SP 13418-900/Brésil (5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Entomologia experimentalis et applicata; ISSN 0013-8703; Coden ETEAAT; Royaume-Uni; Da. 2010; Vol. 134; No. 1; Pp. 35-49; Bibl. 2 p.1/4</SO>
<LA>Anglais</LA>
<EA>Detailed information on probing behavior of the Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Psyllidae), is critical for understanding the transmission process of phloem-limited bacteria (Candidatus Liberibacter spp.) associated with citrus 'huanglongbing' by this vector. In this study, we investigated stylet penetration activities of D. citri on seedlings of Citrus sinensis (L.) Osbeck cv. Pêra (Rutaceae) by using the electrical penetration graph (EPG-DC system) technique. EPG waveforms were described based on amplitude, frequency, voltage level, and electrical origin of the observed traces during stylet penetration into plant tissues. The main waveforms were correlated with histological observations of salivary sheath termini in plant tissues, to determine the putative location of stylet tips. The behavioral activities were also inferred based on waveform similarities in relation to other Sternorrhyncha, particularly aphids and whiteflies. In addition, we correlated the occurrence of specific waveforms with the acquisition of the phloem-limited bacterium Ca. Liberibacter asiaticus by D. citri. The occurrence of a G-like xylem sap ingestion waveform in starved and unstarved psyllids was also compared. By analyzing 8-h EPGs of adult females, five waveforms were described: (C) salivary sheath secretion and other stylet pathway activities; (D) first contact with phloem (distinct from other waveforms reported for Sternorrhyncha); (E1) putative salivation in phloem sieve tubes; (E2) phloem sap ingestion; and (G) probably xylem sap ingestion. Diaphorina citri initiates a probe with stylet pathway through epidermis and parenchyma (C). Interestingly, no potential drops were observed during the stylet pathway phase, as are usually recorded in aphids and other Sternorrhyncha. Once in C, D. citri shows a higher propensity to return to non-probing than to start a phloem or xylem phase. Several probes are usually observed before the phloem phase; waveform D is observed upon phloem contact, always immediately followed by E1. After E1, D. citri either returns to pathway activity (C) or starts phloem sap ingestion, which was the longest activity observed.</EA>
<CC>002A13B; 002A14B02B</CC>
<FD>Comportement alimentaire; Phytophage; Déprédateur; Arbre fruitier; Vecteur; Bactérie; Phytopathogène; Relation animal végétal; Citrus sinensis; Psyllidae; Diaphorina citri; Electropénétrographe</FD>
<FG>Agrume; Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Psylloidea; Homoptera; Insecta; Arthropoda; Invertebrata</FG>
<ED>Feeding behavior; Phytophagous; Pest; Fruit tree; Vector; Bacteria; Plant pathogen; Animal plant relation; Citrus sinensis; Psyllidae; Electric penetration graph</ED>
<EG>Citrus fruit; Rutaceae; Dicotyledones; Angiospermae; Spermatophyta; Psylloidea; Homoptera; Insecta; Arthropoda; Invertebrata</EG>
<SD>Conducta alimenticia; Fitófago; Plaga; Arbol frutal; Vector; Bacteria; Fitopatógeno; Relación animal vegetal; Citrus sinensis; Psyllidae; Penetrógrafo eléctrico</SD>
<LO>INIST-8629.354000171689650030</LO>
<ID>10-0431842</ID>
</server>
</inist>
</record>
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