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dc.contributor.authorNICKELE, M. A.pt_BR
dc.contributor.authorREIS FILHO, W.pt_BR
dc.contributor.authorOLIVEIRA, E. B. dept_BR
dc.contributor.authorIEDE, E. T.pt_BR
dc.contributor.authorCALDATO, N.pt_BR
dc.contributor.authorSTRAPASON, P.pt_BR
dc.date.accessioned2012-08-24T11:11:11Zpt_BR
dc.date.available2012-08-24T11:11:11Zpt_BR
dc.date.created2012-08-24pt_BR
dc.date.issued2012pt_BR
dc.identifier.citationPesquisa Agropecuária Brasileira, Brasília, v. 47, n. 7, p. 892-899, jul. 2012.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/932127pt_BR
dc.descriptionThe objective of this work was to evaluate the natural attack by Acromyrmex crassispinus in initial Pinus taeda plantations without control measures against ants, as well as the effect of defoliation in seedlings of P. taeda. Evaluations of the attack of leaf?cutting ants on P. taeda plantations were done monthly in the first six months, then 9 and 12 months after planting. The percentages of plants that were naturally attacked by ants were registered. The effect of defoliation was evaluated by artificial defoliation, simulating the natural patterns of attack by A. crassispinus on P. taeda seedlings. The natural attack of A. crassispinus was greater during the first months after planting, being more intense in the first 30 days. Artificial defoliation indicated that there were no significant losses in diameter and height in plants with less than 75% defoliation. However, there were significant losses in diameter and height in plants with 100% defoliation, independently of the cut of the apical meristem, and also plant death. The control of leaf?cutting ants in P. taeda plantings, in which A. crassispinus is the most frequent leaf?cutting ant, should be intense only at the beginning of planting, since the most severe attacks occur during this time.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectPraga florestalpt_BR
dc.titleLeaf-cutting ant attack in initial pine plantations and growth of defoliated plants.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2015-02-20T11:11:11Zpt_BR
dc.subject.thesagroDesfolha Artificialpt_BR
dc.subject.thesagroPinus Taedapt_BR
riaa.ainfo.id932127pt_BR
riaa.ainfo.lastupdate2015-02-20pt_BR
dc.contributor.institutionMARIANE APARECIDA NICKELE, UFPR; WILSON REIS FILHO, EMBRAPA FLORESTAS; EDILSON BATISTA DE OLIVEIRA, CNPF; EDSON TADEU IEDE, CNPF; NÁDIA CALDATO, Faculdade de Ciências Agronômicas de Botucatu; PRISCILA STRAPASON, UFPR.pt_BR
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