Abstract
— Three types of trap, yellow water trap (Moericke), green water trap and sticky fishing-line trap (placed at 2 orientations and at 2 heights) were used to sample alate aphid populations in 2 apricot tree orchards infected with sharka (plum pox) virus. These traps were operated in the spring of 1988 and 1989 at 2 locations in Valencia (Spain); 149 086 aphids were caught. Aphis gossypii was the most important species in our orchards since it was the most abundant in fishing-line traps. In these traps height had an influence in species composition, while orientation did not. Yellow colour attraction was very clear for Aphis spiraecola while colour attraction was not clear for A gossypii. Very different results were obtained with the 3 types of trap. The percentage of A spiraecola in yellow traps was much higher than that in the green traps and the percentage in green traps was much higher than that in the fishing-line traps. The percentage of A gossypii in fishing-line traps was much higher than that in the green traps and the percentage in green traps was higher than that in the yellow traps. aphid / yellow trap / green trap / fishing-line trap / sharka Rsum — Comparaison de piges pour l'chantillonnage des pucerons ails (Homoptera, Aphidinea) dans deux vergers d'abricotiers. Trois modles de piges, pige jaune eau (Moericke), pige vert eau et pige fils englus (2 orientations et 2 hauteurs) ont t essays pour chantillonner les populations de pucerons ails dans 2 vergers d'abricotiers infects par le virus de la sharka (plum pox virus). Ces piges ont t mis en place aux prin- temps 1988 et 1989, dans 2 localits de Valencia (Espagne) (tableau I). 149 086 pucerons ont t capturs. L'espce la plus importante a t Aphis gossypii puisqu'elle a t la plus abondante sur les piges fils englus. Sur ces piges la hauteur a eu une influence sur la composition des espces, mais non l'orientation (tableaux II, III). L'attraction de la couleur jaune a t trs marque pour Aphis spiraecola (tableau IV) tandis que cette attraction n'a pas t claire pour A gossypii. On a obtenu des rsultats trs diffrents selon le pige utilis (tableau V, fig Le pourcentage de A spiraecola sur le pige jaune a t beaucoup plus lev que sur le pige vert et le pourcentage sur le pige vert plus lev que sur le pige fils. Le pourcentage de A gossypii sur le pige fils a t beaucoup plus lev que sur le pige vert et le pourcentage sur le pige vert a t plus lev que sur le pige jaune.
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Claims 8
Claim · model-written summary
The traps caught 149 086 aphids.
- Taxon
- apricot tree
Prunus armeniacat0 - Outcome
- aphids were caughte0
- Value
- 149 086e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“149 086 aphids were caught”
t0“apricot tree orchards”
Claim · model-written summary
Aphis gossypii was most abundant in fishing-line traps.
- Taxon
- apricot treePrunus armeniacat0
- Interactor
- Aphis gossypii
Aphis gossypiie0pest - Outcome
- most abundant in fishing-line trapse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aphis gossypii was the most important species in our orchards since it was the most abundant in fishing-line traps.”
t0“apricot tree orchards”
Claim · model-written summary
Fishing-line trap height influenced aphid species composition.
- Taxon
- apricot treePrunus armeniacat0
- Treatment
- heighte0
- Outcome
- species compositione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In these traps height had an influence in species composition”
t0“apricot tree orchards”
Claim · model-written summary
Fishing-line trap orientation did not influence aphid species composition.
- Taxon
- apricot treePrunus armeniacat0
- Treatment
- orientatione0
- Outcome
- orientation did note0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while orientation did not”
t0“apricot tree orchards”
Claim · model-written summary
Aphis spiraecola showed clear attraction to yellow.
- Taxon
- apricot treePrunus armeniacat0
- Interactor
- Aphis spiraecola
Aphis spiraecolae0pest - Outcome
- Yellow colour attractione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yellow colour attraction was very clear for Aphis spiraecola”
t0“apricot tree orchards”
Claim · model-written summary
Yellow attraction was unclear for A. gossypii.
- Taxon
- apricot treePrunus armeniacat0
- Interactor
- A gossypiiAphis gossypiie0pest
- Outcome
- colour attraction was not cleare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“colour attraction was not clear for A gossypii”
t0“apricot tree orchards”
Claim · model-written summary
A. spiraecola proportions ranked yellow above green above fishing-line traps.
- Taxon
- apricot treePrunus armeniacat0
- Interactor
- A spiraecolaAphis spiraecolae0pest
- Outcome
- percentage of A spiraecolae0
- Direction
- much highere0
- Comparator
- green trapse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The percentage of A spiraecola in yellow traps was much higher than that in the green traps and the percentage in green traps was much higher than that in the fishing-line traps.”
t0“apricot tree orchards”
Claim · model-written summary
A. gossypii proportions ranked fishing-line above green above yellow traps.
- Taxon
- apricot treePrunus armeniacat0
- Interactor
- A gossypiiAphis gossypiie0pest
- Outcome
- percentage of A gossypiie0
- Direction
- much highere0
- Comparator
- green trapse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The percentage of A gossypii in fishing-line traps was much higher than that in the green traps and the percentage in green traps was higher than that in the yellow traps.”
t0“apricot tree orchards”