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Functional and numerical response and mutual interference of Goniozus legneri (Hymenoptera: Bethylidae) on Cydia pomonella (Lepidoptera: Tortricidae): Its implications for biological control
Resumen
The functional and numerical response and the potential for mutual interference are key components in the selection of parasitoids for biological control. In this study, functional and numerical responses of Goniozus legneri to different densities of fifth instar Cydia pomonella larvae and mutual interference of this parasitoid were studied under laboratory conditions. Logistic regression was used to find the type of func tional response and the result
[ver mas...]
The functional and numerical response and the potential for mutual interference are key components in the selection of parasitoids for biological control. In this study, functional and numerical responses of Goniozus legneri to different densities of fifth instar Cydia pomonella larvae and mutual interference of this parasitoid were studied under laboratory conditions. Logistic regression was used to find the type of func tional response and the result was type II. The attack rate, handling time, the para sitoid searching efficiency and the maximum host mortality rate were estimated by fitting the Holling model to the data. The numerical response of the parasitoid did not vary based on the availability of codling moth larvae. The negative value of the inter ference coefficient (−0.228) in the mutual interference analysis showed an inverse relationship between parasitoid density and per capita searching efficiency. This sug gests that when the density of G. legneri and C. pomonella larvae is equivalent, the parasitoid proves to be more effective in pest control. The findings of this study con tribute to increasing the knowledge of G. legneri and its potential as a biocontrol agent.
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![Thumbnail](/bitstream/handle/20.500.12123/18107/jen.v148.4.cover.jpg?sequence=4&isAllowed=y)
Autor
Cavallo, María José;
Romero, Oscar Eduardo;
Barros, Lucas Ariel;
Cichon, Liliana;
Garrido, Silvina Alejandra;
Diez, Patricia Alejandra;
Fuente
Journal of Applied Entomology 148 (4) : 454-463 (May 2024)
Fecha
2024-02-21
Editorial
Wiley
ISSN
0931-2048
1439-0418
1439-0418
Formato
pdf
Tipo de documento
artículo
Palabras Claves
Derechos de acceso
Restringido
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