Responses of the Asian Citrus Psyllid to Volatiles Emitted by the Flushing Shoots of Its Rutaceous Host Plants
Identifieur interne : 001C57 ( Main/Exploration ); précédent : 001C56; suivant : 001C58Responses of the Asian Citrus Psyllid to Volatiles Emitted by the Flushing Shoots of Its Rutaceous Host Plants
Auteurs : J. M. Patt [États-Unis] ; M. Setamou [États-Unis]Source :
- Environmental entomology [ 0046-225X ] ; 2010.
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- Pascal (Inist)
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Abstract
Diaphorina citri Kuwayama (Hemiptera: Psyllidae) carries Candidatus liberibacter spp., the putative causal agents of Huanglongbing. D. citri reproduces and develops only on the flushing shoots of its rutaceous host plants. Here we examined whether D. citri is attracted to host plant odors and a mixture of synthetic terpenes. Tests conducted in a vertically oriented Y-tube olfactometer showed that both males and females preferentially entered the Y-tube arm containing the odor from the young shoots of Murraya paniculata (L.) Jack and Citrus limon L. Burm. f. cultivar Eureka. Only males exhibited a preference for the odor of C. sinensis L., whereas the odor of C. × paradisi MacFadyen cultivar Rio Red was not attractive to both sexes. The volatiles emitted by young shoots of grapefruit cultivar Rio Red, Meyer lemon (Citrus × limon L. Burm.f.), and M. paniculata were analyzed by gas chromatograph-mass spectrometry. The samples were comprised of monoterpenes, monoterpene esters, and sesquiterpenes. The number of compounds present varied from 2 to 17, whereas the total amount of sample collected over 6 h ranged from 5.6 to 119.8 ng. The quantitatively dominant constituents were (E)-β-ocimene, linalool, linalyl acetate, and β-caryophyllene. The attractiveness of a mixture of synthetic terpenes, modeled on the volatiles collected from M. paniculata, was evaluated in screened cages in a no-choice test. At three observation intervals, significantly more individuals were trapped on white targets scented with the mixture than on unscented targets. These results indicate the feasibility of developing D. citri attractants patterned on actual host plant volatiles.
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Setamou</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Texas A & M University at Kingsville Citrus Center</s1><s2>Weslaco, TX 78596</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Texas</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">11-0055788</idno><date when="2010">2010</date><idno type="stanalyst">PASCAL 11-0055788 INIST</idno><idno type="RBID">Pascal:11-0055788</idno><idno type="wicri:Area/PascalFrancis/Corpus">000201</idno><idno type="wicri:Area/PascalFrancis/Curation">000799</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000211</idno><idno type="wicri:doubleKey">0046-225X:2010:Patt J:responses:of:the</idno><idno type="wicri:Area/Main/Merge">001C95</idno><idno type="wicri:Area/Main/Curation">001C57</idno><idno type="wicri:Area/Main/Exploration">001C57</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Responses of the Asian Citrus Psyllid to Volatiles Emitted by the Flushing Shoots of Its Rutaceous Host Plants</title><author><name sortKey="Patt, J M" sort="Patt, J M" uniqKey="Patt J" first="J. M." last="Patt">J. M. Patt</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Texas A & M University at Kingsville Citrus Center</s1><s2>Weslaco, TX 78596</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Texas</region></placeName></affiliation></author><author><name sortKey="Setamou, M" sort="Setamou, M" uniqKey="Setamou M" first="M." last="Setamou">M. Setamou</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Texas A & M University at Kingsville Citrus Center</s1><s2>Weslaco, TX 78596</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Texas</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Environmental entomology</title><title level="j" type="abbreviated">Environ. entomol.</title><idno type="ISSN">0046-225X</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Environmental entomology</title><title level="j" type="abbreviated">Environ. entomol.</title><idno type="ISSN">0046-225X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animal plant relation</term><term>Attraction</term><term>Citrus</term><term>Host plant</term><term>Integrated pest management</term><term>Kairomone</term><term>Pest</term><term>Plant leaf</term><term>Shoot</term><term>Volatile compound</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Composé volatil</term><term>Pousse plante</term><term>Plante hôte</term><term>Kairomone</term><term>Feuille végétal</term><term>Attraction</term><term>Déprédateur</term><term>Relation animal végétal</term><term>Lutte intégrée</term><term>Citrus</term><term>Diaphorina citri</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Diaphorina citri Kuwayama (Hemiptera: Psyllidae) carries Candidatus liberibacter spp., the putative causal agents of Huanglongbing. D. citri reproduces and develops only on the flushing shoots of its rutaceous host plants. Here we examined whether D. citri is attracted to host plant odors and a mixture of synthetic terpenes. Tests conducted in a vertically oriented Y-tube olfactometer showed that both males and females preferentially entered the Y-tube arm containing the odor from the young shoots of Murraya paniculata (L.) Jack and Citrus limon L. Burm. f. cultivar Eureka. Only males exhibited a preference for the odor of C. sinensis L., whereas the odor of C. × paradisi MacFadyen cultivar Rio Red was not attractive to both sexes. The volatiles emitted by young shoots of grapefruit cultivar Rio Red, Meyer lemon (Citrus × limon L. Burm.f.), and M. paniculata were analyzed by gas chromatograph-mass spectrometry. The samples were comprised of monoterpenes, monoterpene esters, and sesquiterpenes. The number of compounds present varied from 2 to 17, whereas the total amount of sample collected over 6 h ranged from 5.6 to 119.8 ng. The quantitatively dominant constituents were (E)-β-ocimene, linalool, linalyl acetate, and β-caryophyllene. The attractiveness of a mixture of synthetic terpenes, modeled on the volatiles collected from M. paniculata, was evaluated in screened cages in a no-choice test. At three observation intervals, significantly more individuals were trapped on white targets scented with the mixture than on unscented targets. These results indicate the feasibility of developing D. citri attractants patterned on actual host plant volatiles.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Texas</li></region></list><tree><country name="États-Unis"><region name="Texas"><name sortKey="Patt, J M" sort="Patt, J M" uniqKey="Patt J" first="J. M." last="Patt">J. M. Patt</name></region><name sortKey="Setamou, M" sort="Setamou, M" uniqKey="Setamou M" first="M." last="Setamou">M. Setamou</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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