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Evaluation of the effects, on canopy arthropods, of two agricultural management systems to control pests in olive groves from north-east of Portugal

2007Journal article Open access
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dc.contributor.authorSantos, Sónia A.P.
dc.contributor.authorPereira, J.A.
dc.contributor.authorTorres, L.
dc.contributor.authorNogueira, António José Arsénia
dc.date.accessioned2008-09-03T13:34:03Z
dc.date.available2008-09-03T13:34:03Z
dc.date.issued2007
dc.description.abstractThis study aims to investigate the effect of management regime on canopy arthropod community of the olive tree (Olea europaea L.). Field studies were performed in two successive years, 2002 and 2003, in two olive groves, one under organic farming and the other under integrated protection. The integrated protection grove was sprayed once a year in June, with dimethoate, to control the anthophagous generation of the olive moth, Prays oleae (Bern.). From April to November of each year, the canopy arthropods were sampled weekly. PRC method was used to analyse the effect of management regime at the community level and results showed that taxa responded differently to insecticide application suggesting that the organic grove was a more suitable habitat for the arthropods than the integrated protection grove. Abundance of arthropods peaked in May and June for both years but, after spraying with dimethoate, decreased significantly in integrated protection grove, recovering very slowly thereafter. Psocoptera, Miridae, Formicidae and Coccinellidae were the most sensitive taxa to insecticide application. Their decreasing in abundance was more evident in the second year of the trial. On the other hand chrysopids showed some tolerance to insecticide applications. These results suggest that the timing of spray is of utmost importance in reducing the side effects of spraying on beneficial arthropods. Moreover, differences in population susceptibility as well as in life cycle patterns must be considered.en
dc.identifier.citationSantos, Sónia A.P.; Pereira, J.A.; Torres, L.M.; Nogueira, António J. A. (2007). Evaluation of the effects, on canopy arthropods, of two agricultural management systems to control pests in olive groves from north-east of Portugal. Chemosphere. ISSN 0045-6535. 67:1, p. 131-139en
dc.identifier.doi10.1016/j.chemosphere.2006.09.014
dc.identifier.issn0045-6535
dc.identifier.urihttp://hdl.handle.net/10198/739
dc.language.isoengen
dc.peerreviewedyes
dc.publisherElsevieren
dc.subjectFunctional groupsen
dc.subjectIntegrated protectionen
dc.subjectOrganic farmingen
dc.subjectPrincipal response curvesen
dc.titleEvaluation of the effects, on canopy arthropods, of two agricultural management systems to control pests in olive groves from north-east of Portugalen
dc.typejournal article
dspace.entity.typePublication
person.familyNameSantos
person.familyNamePereira
person.givenNameSónia
person.givenNameJosé Alberto
person.identifier.ciencia-id5C1D-7CF5-601C
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0003-1500-6360
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id7102756340
person.identifier.scopus-author-id57204366348
rcaap.rightsopenAccess
rcaap.typearticleen
relation.isAuthorOfPublicatione662327b-d6c2-4db8-8e5d-60889d2a71c6
relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication.latestForDiscoverye662327b-d6c2-4db8-8e5d-60889d2a71c6

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