Titre :
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Comparison of Sampling Methods to Evaluate Aphid Populations (Homoptera, Aphidinea) Alighting on Apricot Trees
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Auteurs :
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L. Avinent ;
A. Demendoza ;
G. Llacer
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Type de document :
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article/chapitre/communication
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Année de publication :
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1993
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Format :
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609-613
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Langues:
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= Anglais
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Mots-clés:
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Aphid
;
Collection Trap
;
Sticky Tree
;
Apricot Tree
;
Piegeage
;
Morphe ailee
;
Analyse des correspondances
;
Classification automatique
;
Aphididae
;
Aphis gossypii
;
Aphis spiraecola
;
Arbre fruitier
;
Rosaceae
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Résumé :
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Alate aphid populations landing on apricot trees were studied in an orchard during Spring, 1990 in Valencia, Spain. The sticky tree method was introduced which consisted of spraying leaves and shoots of the tree with a sticky substance; aphids landing there remained stuck. Aphid collections with this method were compared with those obtained using green water pan traps and sticky fishing-line traps. Aphis gossypii was the most abundant species landing on apricot trees (leaves and shoots), while Aphis spiraecola was only abundant on shoots. Collections of aphids using either the fishing-line traps or the green traps were not representative of the actual population of aphids landing on apricot trees; captures in green traps were similar to captures on shoots and captures with fishing-line traps were similar to captures on leaves. Since neither of the 2 traps was able to provide a good estimation of the aphid populations landing on apricot trees, both traps must be used if the sticky tree method is not used.
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Source :
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Agronomie - 0249-5627, vol. 13, n° 7
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