Characterization of antibiosis and antixenosis to the woolly poplar aphid (Hemiptera: Aphididae) in the bark of different poplar genotypes.
Identifieur interne : 002681 ( Main/Corpus ); précédent : 002680; suivant : 002682Characterization of antibiosis and antixenosis to the woolly poplar aphid (Hemiptera: Aphididae) in the bark of different poplar genotypes.
Auteurs : Sophie Pointeau ; Arnaud Ameline ; Aurélien Sallé ; Stéphanie Bankhead-Dronnet ; François LieutierSource :
- Journal of economic entomology [ 0022-0493 ] ; 2013.
English descriptors
- KwdEn :
- MESH :
- genetics : Populus.
- growth & development : Nymph.
- immunology : Populus.
- parasitology : Plant Bark, Populus.
- physiology : Aphids.
- Animals, Antibiosis, Female, Genotype, Host-Parasite Interactions, Reproduction.
Abstract
The woolly poplar aphid, Phloeomyzus passerinii (Signoret) (Hemiptera: Aphididae), is a major pest of poplar plantations in the Mediterranean basin and the Near East. Aphids colonize poplar trunks and feed upon the cortical parenchyma. Despite the economic importance of poplar, little is known about the mechanisms involved in poplar resistance to this pest. However, Populus x canadensis Moench genotypes show various levels of resistance to P. passerinii. This study has investigated the type of poplar resistance (antibiosis or antixenosis) by assessing aphid settlement, physiology (survival, development, and reproduction), and stylet penetration behavior (electrical penetration graph) on three P. x canadensis genotypes; '1214' (susceptible), 'Brenta' (resistant), and '145/51' (intermediate). Because settlement was reduced, the highly resistant genotype Brenta exhibited surface antixenosis. In addition, nymphal survival was null on Brenta, and twice less adult aphid initiated a sustained intracellular phase in the cortical parenchyma of that genotype compared with the other two genotypes. Thus, Brenta also showed parenchyma-located antixenosis coupled with antibiosis characteristic. In contrast, P. passerinii had no difficulty to initiate a sustained ingestion in the cortical parenchyma of the intermediate genotype 145/51, but decreased fecundity and lower intrinsic rate of natural increase were clear expressions of antibiosis.
DOI: 10.1603/ec12127
PubMed: 23448064
Links to Exploration step
pubmed:23448064Le document en format XML
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<author><name sortKey="Pointeau, Sophie" sort="Pointeau, Sophie" uniqKey="Pointeau S" first="Sophie" last="Pointeau">Sophie Pointeau</name>
<affiliation><nlm:affiliation>UPRES EA 1207, Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d'Orléans, Rue de Chartres, BP 6759, FR-45067 Orleans Cedex, France.</nlm:affiliation>
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<author><name sortKey="Ameline, Arnaud" sort="Ameline, Arnaud" uniqKey="Ameline A" first="Arnaud" last="Ameline">Arnaud Ameline</name>
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<author><name sortKey="Salle, Aurelien" sort="Salle, Aurelien" uniqKey="Salle A" first="Aurélien" last="Sallé">Aurélien Sallé</name>
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<author><name sortKey="Bankhead Dronnet, Stephanie" sort="Bankhead Dronnet, Stephanie" uniqKey="Bankhead Dronnet S" first="Stéphanie" last="Bankhead-Dronnet">Stéphanie Bankhead-Dronnet</name>
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<author><name sortKey="Lieutier, Francois" sort="Lieutier, Francois" uniqKey="Lieutier F" first="François" last="Lieutier">François Lieutier</name>
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<affiliation><nlm:affiliation>UPRES EA 1207, Laboratoire de Biologie des Ligneux et des Grandes Cultures, Université d'Orléans, Rue de Chartres, BP 6759, FR-45067 Orleans Cedex, France.</nlm:affiliation>
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<author><name sortKey="Ameline, Arnaud" sort="Ameline, Arnaud" uniqKey="Ameline A" first="Arnaud" last="Ameline">Arnaud Ameline</name>
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<author><name sortKey="Bankhead Dronnet, Stephanie" sort="Bankhead Dronnet, Stephanie" uniqKey="Bankhead Dronnet S" first="Stéphanie" last="Bankhead-Dronnet">Stéphanie Bankhead-Dronnet</name>
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<series><title level="j">Journal of economic entomology</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term>
<term>Antibiosis (MeSH)</term>
<term>Aphids (physiology)</term>
<term>Female (MeSH)</term>
<term>Genotype (MeSH)</term>
<term>Host-Parasite Interactions (MeSH)</term>
<term>Nymph (growth & development)</term>
<term>Plant Bark (parasitology)</term>
<term>Populus (genetics)</term>
<term>Populus (immunology)</term>
<term>Populus (parasitology)</term>
<term>Reproduction (MeSH)</term>
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<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term>
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<keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Nymph</term>
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<keywords scheme="MESH" qualifier="immunology" xml:lang="en"><term>Populus</term>
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<keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Plant Bark</term>
<term>Populus</term>
</keywords>
<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Aphids</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Animals</term>
<term>Antibiosis</term>
<term>Female</term>
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<front><div type="abstract" xml:lang="en">The woolly poplar aphid, Phloeomyzus passerinii (Signoret) (Hemiptera: Aphididae), is a major pest of poplar plantations in the Mediterranean basin and the Near East. Aphids colonize poplar trunks and feed upon the cortical parenchyma. Despite the economic importance of poplar, little is known about the mechanisms involved in poplar resistance to this pest. However, Populus x canadensis Moench genotypes show various levels of resistance to P. passerinii. This study has investigated the type of poplar resistance (antibiosis or antixenosis) by assessing aphid settlement, physiology (survival, development, and reproduction), and stylet penetration behavior (electrical penetration graph) on three P. x canadensis genotypes; '1214' (susceptible), 'Brenta' (resistant), and '145/51' (intermediate). Because settlement was reduced, the highly resistant genotype Brenta exhibited surface antixenosis. In addition, nymphal survival was null on Brenta, and twice less adult aphid initiated a sustained intracellular phase in the cortical parenchyma of that genotype compared with the other two genotypes. Thus, Brenta also showed parenchyma-located antixenosis coupled with antibiosis characteristic. In contrast, P. passerinii had no difficulty to initiate a sustained ingestion in the cortical parenchyma of the intermediate genotype 145/51, but decreased fecundity and lower intrinsic rate of natural increase were clear expressions of antibiosis.</div>
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<Title>Journal of economic entomology</Title>
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<ArticleTitle>Characterization of antibiosis and antixenosis to the woolly poplar aphid (Hemiptera: Aphididae) in the bark of different poplar genotypes.</ArticleTitle>
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<Abstract><AbstractText>The woolly poplar aphid, Phloeomyzus passerinii (Signoret) (Hemiptera: Aphididae), is a major pest of poplar plantations in the Mediterranean basin and the Near East. Aphids colonize poplar trunks and feed upon the cortical parenchyma. Despite the economic importance of poplar, little is known about the mechanisms involved in poplar resistance to this pest. However, Populus x canadensis Moench genotypes show various levels of resistance to P. passerinii. This study has investigated the type of poplar resistance (antibiosis or antixenosis) by assessing aphid settlement, physiology (survival, development, and reproduction), and stylet penetration behavior (electrical penetration graph) on three P. x canadensis genotypes; '1214' (susceptible), 'Brenta' (resistant), and '145/51' (intermediate). Because settlement was reduced, the highly resistant genotype Brenta exhibited surface antixenosis. In addition, nymphal survival was null on Brenta, and twice less adult aphid initiated a sustained intracellular phase in the cortical parenchyma of that genotype compared with the other two genotypes. Thus, Brenta also showed parenchyma-located antixenosis coupled with antibiosis characteristic. In contrast, P. passerinii had no difficulty to initiate a sustained ingestion in the cortical parenchyma of the intermediate genotype 145/51, but decreased fecundity and lower intrinsic rate of natural increase were clear expressions of antibiosis.</AbstractText>
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