Field efficacy of Imidacloprid and Steinernema carpocapsae in a chitosan formulation against the Red Palm Weevil Rhynchophorus ferrugineus (Coleoptera: Curculionidae) in Phoenix canariensis
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Altres documents de l'autoria: Dembilio, Óscar; Llácer, Elena; Martínez de Altube, María del Mar; Jaques , Josep A.
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Field efficacy of Imidacloprid and Steinernema carpocapsae in a chitosan formulation against the Red Palm Weevil Rhynchophorus ferrugineus (Coleoptera: Curculionidae) in Phoenix canariensisData de publicació
2010-11-18Editor
Wiley-BlackwellISSN
1526-498X; 1526-4998Cita bibliogràfica
Pest Management Science (2010) vol. 66, no. 4, p. 365–370Tipus de document
info:eu-repo/semantics/articleParaules clau / Matèries
Resum
BACKGROUND: The invasive red palm weevil, Rhynchophorus ferrugineus (Olivier), has become the major pest of palms in the
Mediterranean Basin. Chemical control against this species is difficult because of its cryptic ... [+]
BACKGROUND: The invasive red palm weevil, Rhynchophorus ferrugineus (Olivier), has become the major pest of palms in the
Mediterranean Basin. Chemical control against this species is difficult because of its cryptic habits and is mainly based on the
repeated application of large quantities of synthetic insecticides. The aim of this work has been to evaluate in the field the
efficacy of imidacloprid (Confidor
240 OD) and Steinernema carpocapsae Weiser with chitosan (Biorend R
Palmeras) as soil
and stipe treatments respectively, alone or in combination, against this pest.
RESULTS: All treatments significantly reduced the mean number of immature stages of R. ferrugineus per palm. However, there
were no significant differences among the different treatments considered. Efficacies ranged from 83.8 to 99.7% for the mean
number of immature stages found in the palms and resulted in a significant increase in palm survival compared with the
untreated control (75.0–90.0% versus 16.5% respectively).
CONCLUSION: Both imidacloprid and S. carpocapsae in a chitosan formulation proved highly effective against R. ferrugineus in
the field, and their efficacies did not significantly change when used in combination [-]
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