LÓPEZ PLANTEY, Rodrigo; PAPURA, Daciana; COUTURE, Carole; THIERY, Denis; PIZZUOLO, Pablo H.; BERTOLDI, María Victoria; LUCERO, Gabriela Susana

doi:10.1007/s10526-019-09955-z

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LÓPEZ PLANTEY, Rodrigo
Universidad Nacional de Cuyo [Mendoza] [UNCUYO]

PAPURA, Daciana
Santé et agroécologie du vignoble [UMR SAVE]

COUTURE, Carole
Santé et agroécologie du vignoble [UMR SAVE]

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BioControl. 2019, vol. 64, n° 5, p. 501-511

Springer Verlag

Résumé en anglais

Biological control by entomopathogenic fungi is a possible alternative to chemical insecticides. As the grapevine moth Lobesia botrana (Lepidoptera: Tortricidae), recently introduced in Argentina, is now the major pest in most of the vineyards in the country despite quarantine regulations, native entomopathogenic fungi could be a preferable alternative to current synthetic insecticides. Thus, the aim of this study was to characterize native fungus strains isolated from 45 soil samples, using larvae of L. botrana as bait insect, and infected arthropods from the wine-growing region in the west of Argentina. Sixteen strains were identified, belonging to two species: four strains to Beauveria bassiana (Hypocreales: Cordycipitaceae) and 12 strains to Metarhizium robertsii (Hypocreales: Clavicipitaceae). Based on their physiological features, M. robertsii strains collected from the west region of Argentina seem to be the most tolerant to the high temperatures specific to this region. Therefore, being well adapted to Argentinean climate conditions, some of the native M. robertsii could be proposed as biological control agents against L. botrana.< Réduire

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viticulture

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Beauveria bassiana

Metarhizium robertsii

Lobesia botrana

biocontrol

Argentina

hypocreales

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Characterization of entomopathogenic fungi from vineyards in Argentina with potential as biological control agents against the European grapevine moth Lobesia botrana

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