Research activities focused on management of red palm weevil at the UJI-IVIA Associated Unit (Region of Valencia, Spain)
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comunitat-uji-handle2:10234/2508
comunitat-uji-handle3:10234/6999
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http://dx.doi.org/10.1111/j.1365-2338.2011.02460.x |
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Title
Research activities focused on management of red palm weevil at the UJI-IVIA Associated Unit (Region of Valencia, Spain)Date
2011Publisher
Organisation Européene et Méditerranéene pour la Protection des Plantes/European and Mediterranean Plant Protection Organization; John Wiley & SonsISSN
0250-8052Bibliographic citation
EPPO Bulletin (2011), 41, 2, p. 122–127Type
info:eu-repo/semantics/articleSubject
Abstract
During the past 5 years, the Associated Unit between Institut Valencia` d’Investigacions Agra`ries (IVIA) and Universitat Jaume I (UJI) has been working on the management of Rhynchophorus ferru- gineus. The host status ... [+]
During the past 5 years, the Associated Unit between Institut Valencia` d’Investigacions Agra`ries (IVIA) and Universitat Jaume I (UJI) has been working on the management of Rhynchophorus ferru- gineus. The host status of Washingtonia filifera, Chamaerops humilis and Phoenix theophrasti was established, and complete resistance via antibiosis was described for W. filifera. A thermal constant (egg to adult) of 989.3 degree-days has been established for R. ferrugineus when feeding in live P. canariensis. Based on this result, less than one annual generation is expected in areas with mean annual temperature below 15°C, and more than two if above 19°C. Assays on chemical control showed that a dose of 1.14 g aluminium phosphide m)3 for 3 days is enough to kill all stages of R. ferrugineus in infested palms. The efficacies of imidacloprid and a microencapsulated paint con- taining chlorpyrifos and pyriproxyfen were also studied. Imidacloprid had high efficacies when applied as a drench either as a preventive or a curative treatment, whereas the paint was effective as a preventive treatment only. Biological control by use of entomopathogenic nematodes and fungi has been explored. Steinernema carpocapsae resulted in high efficacies when applied in a chitosan formulation. Beauveria bassiana also gave very good results, and new assays are under way to improve its use. [-]
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© 2011 The Authors. Journal compilation © 2011 OEPP/EPPO
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