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BibTeX
Development of an attract‐and‐infect system to control Rhynchophorus ferrugineus with the entomopathogenic fungus Beauveria bassiana
Pest management science, 2018-08, Vol.74 (8), p.1861-1869
Dembilio, Óscar
Moya, Pilar
Vacas, Sandra
Ortega‐García, Lola
Quesada‐Moraga, Enrique
Jaques, Josep A
Navarro‐Llopis, Vicente
2018
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Dembilio, Óscar
Moya, Pilar
Vacas, Sandra
Ortega‐García, Lola
Quesada‐Moraga, Enrique
Jaques, Josep A
Navarro‐Llopis, Vicente
Titel
Development of an attract‐and‐infect system to control Rhynchophorus ferrugineus with the entomopathogenic fungus Beauveria bassiana
Ist Teil von
Pest management science, 2018-08, Vol.74 (8), p.1861-1869
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2018
Quelle
Wiley Online Library
Beschreibungen/Notizen
BACKGROUND A new Beauveria bassiana‐based attract and infect device (AID) to control Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae) was developed. The virulence and persistence of the fungal formulation used in the AID were evaluated in the laboratory. Semi‐field and field trials were carried out to validate the results and establish the potential of this device as a control tool. RESULTS In laboratory conditions, a 50% lethal time (LT50) of 4.33 days was obtained when adults (7–10 days old) were exposed to the inoculation tunnel (IT) containing 1 × 1010 conidia g–1 in an oil‐based fungal formulation. This formulation maintained conidium viability at 50% for up to 2 months. Moreover, when adults were exposed to 2.5‐month field‐aged ITs, mortality still reached 50% 40 days after exposure. In addition, no differences were observed between ITs aged in early spring and those aged in summer, suggesting that the fungal formulation is not strongly affected by environmental factors in Mediterranean basin conditions. Semi‐field assays showed that the device allowed an easy transit of weevils through the IT, which were effectively attracted and infected. Using the AIDs in 4‐ha plot field trials, a reduction of >50% in the percentage of infested sentinel palms was obtained. CONCLUSION Based on the results obtained in terms of the efficacy and persistence of this new AID in the field and its potential in reducing R. ferrugineus populations and palm infestation, this device could become a key tool for the management of R. ferrugineus. © 2018 Society of Chemical Industry A new attract‐and‐infect system for the control of red palm weevil has been developed and tested in field conditions to study its efficacy and lifespan.
Sprache
Englisch
Identifikatoren
ISSN: 1526-498X
eISSN: 1526-4998
DOI: 10.1002/ps.4888
Titel-ID: cdi_proquest_miscellaneous_2001061290
Format
–
Schlagworte
Adults
,
Beauveria bassiana
,
Conidia
,
Curculionidae
,
Entomopathogenic fungi
,
Environmental factors
,
Exposure
,
Fungi
,
infective device
,
Infestation
,
Inoculation
,
Laboratories
,
Organic chemistry
,
red palm weevil
,
Rhynchophorus ferrugineus
,
Viability
,
Virulence
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