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The efficacy of Steinernema feltiae in the control of Cydia pomonella in organic apple and pear orchards of Patagonia Argentina and its impact on local populations of entomopathogenic nematodes

This study evaluates the efficacy of the commercial product, Steinernema feltiae (NEMAPOM, e-nema GmbH, Germany), in controlling diapausing Cydia pomonella (Linneaus) (Lepidoptera: Tortricidae) (codling moth; CM) larvae in commercial organic orchards of pome fruits and in harvest bins in Rio Negro V...

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Main Authors: Eliceche, Daiana, Rusconi, Matías, Rosales, Matías, Rossi, Javier, Salas, Augusto, Macagno, Candela, D’Hervé, Federico, Silvestre, Carlos, Achinelly, María Fernanda
Format: Artículo
Language:Inglés
Published: Springer 2023
Subjects:
Biological Control
Nematodos Entomófilos
Pests
Cydia pomonella
Steinernematidae
Entomophilic Nematodes
Nematodos
Control Biológico
Plagas
Polilla del Manzano
Carpocapsa
Entomopathogenic Nematodes
Online Access:http://hdl.handle.net/20.500.12123/16182
https://link.springer.com/article/10.1007/s10526-023-10198-2
https://doi.org/10.1007/s10526-023-10198-2
Summary:This study evaluates the efficacy of the commercial product, Steinernema feltiae (NEMAPOM, e-nema GmbH, Germany), in controlling diapausing Cydia pomonella (Linneaus) (Lepidoptera: Tortricidae) (codling moth; CM) larvae in commercial organic orchards of pome fruits and in harvest bins in Rio Negro Valley, Argentina, subject to the attack of this pest. The infectivity of S. feltiae at different temperatures in the laboratory and the persistence in the field of this commercial product and of local entomopathogenic nematode (EPN) strains after application were determined. The field assay was carried out in winter, with an application dose of 1.5 billion infective juveniles (IJs) ha−1 on a total surface of 0.5 ha. Mortality by S. feltiae in CM larvae was greater than 85% at two of the four test sites

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