Eficácia de milho transgênico tratado com inseticida no controle da lagarta-do-cartucho no milho safrinha no estado de São Paulo, Brasil

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dc.contributor.authorMichelotto, Marcos Doniseti
dc.contributor.authorNeto, Jacob Crosariol [UNESP]
dc.contributor.authorPirotta, Melina Zacarelli [UNESP]
dc.contributor.authorDuarte, Aildson Pereira
dc.contributor.authorde Feitas, Rogério Soares
dc.contributor.authorFinoto, Everton Luis
dc.contributor.institutionAgência Paulista de Tecnologia dos Agronegócios/APTA
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionCentro de Grãos e Fibras
dc.contributor.institutionCentro de Seringueira e Sistemas Agroflorestais
dc.date.accessioned2018-12-11T16:47:02Z
dc.date.available2018-12-11T16:47:02Z
dc.date.issued2017-01-01
dc.description.abstractSeveral genetically modified maize events expressing insecticidal proteins from Bacillus thuringiensis (Bt) have been commercially available in Brazil, intended to control of fall armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae). The objective of this study was to evaluate the efficiency of transgenic (Bt) and conventional (non-Bt) hybrids in the control of fall armyworm, treated or not with insecticides throughout three late growing seasons. To this end, trials were conducted at three locations in the state of São Paulo, in a randomized complete block design, in factorial arrangements with 5x4, 5x4 and 8x4 factors, respectively. The first factor consisted of the number of commercial hybrids of different companies. The second factor was represented by the different control managements of insect (non-Bt hybrid with and without insecticide; Bt hybrid with and without insecticide). The damage caused by fall armyworm was evaluated on a visual 1-9 scale, from score 0 (no damage) to 9 (totally destroyed whorl), and grain yield (kg ha-1). The data were analyzed by analysis of variance and the means compared by the Tukey test at 5% probability for each parameter evaluated at each location. For the Bt hybrids, the damage scores attributed to fall armyworm were lower and the proteins Cry 1F, Cry 1A105 and VIP3Aa20 were the most efficient in reducing leaf damage. Insecticide applications proved efficient in reducing leaf damage caused by the pest. Application of insecticides to Bt hybrids generally reduced leaf damage, especially for Cry1Ab-producing hybrids, which were the least effective in reducing pest damage without insecticides.en
dc.description.affiliationAgência Paulista de Tecnologia dos Agronegócios/APTA
dc.description.affiliationUniversidade Estadual Paulista/UNESP Faculdade de Ciências Agrárias e Veterinárias/FCAV
dc.description.affiliationInstituto Agronômico de Campinas/IAC Centro de Grãos e Fibras
dc.description.affiliationInstituto Agronômico de Campinas/IAC Centro de Seringueira e Sistemas Agroflorestais
dc.description.affiliationUnespUniversidade Estadual Paulista/UNESP Faculdade de Ciências Agrárias e Veterinárias/FCAV
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 2010/02666-8
dc.format.extent128-138
dc.identifierhttp://dx.doi.org/10.1590/1413-70542017412020816
dc.identifier.citationCiencia e Agrotecnologia, v. 41, n. 2, p. 128-138, 2017.
dc.identifier.doi10.1590/1413-70542017412020816
dc.identifier.fileS1413-70542017000200128.pdf
dc.identifier.issn1981-1829
dc.identifier.issn1413-7054
dc.identifier.scieloS1413-70542017000200128
dc.identifier.scopus2-s2.0-85018396663
dc.identifier.urihttp://hdl.handle.net/11449/169655
dc.language.isoeng
dc.relation.ispartofCiencia e Agrotecnologia
dc.relation.ispartofsjr0,383
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectPest management
dc.subjectSpodoptera frugiperda
dc.subjectZea mays
dc.titleEficácia de milho transgênico tratado com inseticida no controle da lagarta-do-cartucho no milho safrinha no estado de São Paulo, Brasilpt
dc.title.alternativeEfficacy of transgenic mayze insecticide treatment to control fall armyworm in late-season maize in São Paulo state, Brazilen
dc.typeArtigo

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