Pest Management Science (2017) 73, 1737-1742
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Evaluation of the efficacy of insecticidal coatings based on teflutrin and chlorpyrifos against Rhynchophorus ferrugineus
Pest Management Science 73 (8), 1737-1742
The date palm (Phoenix dactylifera L.), an important economic resource for many nations worldwide, has recently been threatened by the presence of different insect pests, like the red palm weevil (RPW) Rhynchophorus ferrugineus.
Two products, a glue (polyvinyl acetate) and an oil (raw linseed oil) were used as coatings and applied together with a repellent and two insecticides (teflutrin and chlorpyrifos) at different dosages on two species of palm (P. dactylifera and P. canariensis). Phytotoxic effects of the treatments were evaluated in a greenhouse on 260 potted palms (130 P. dactylifera and 130 P. canariensis) and no negative effects were observed. Afterwards, a trial lasting 400 days was carried out in a nursery located in Sicily (south Italy), treating 572 potted palm trees (286 P. dactylifera and 286 P. canariensis) with an average diameter at the base of 18–20 cm. After 400 days, 48% of the untreated palms were infested, while only 3% of date palms and 7% of Canary palms treated with insecticide at lower dosages were infested.
The application of an insecticide-based coating is a good strategy to control and prevent the red palm weevil infestation, in particular on date palms.
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Research topic(s) for pests/diseases/weeds:
control - general
Pest and/or beneficial records:
|Rhynchophorus ferrugineus||Date palm (Phoenix dactylifera)||Italy|
|Rhynchophorus ferrugineus||Phoenix (genus)||Italy|