Corn stalk integrity is improved by fungicide combinations containing carboxamide

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dc.contributor.authore Silva, Marina Freitas
dc.contributor.authorRezende, Wender Santos
dc.contributor.authorJúnior, Domingos da Costa Ferreira [UNESP]
dc.contributor.authorBueno, Thays Vieira
dc.contributor.authorAgostinho, Flávia Bastos
dc.contributor.authorde Brito, Césio Humberto
dc.contributor.institutionUniversidade Federal de Uberlândia (UFU)
dc.contributor.institutionUniversidade Federal de Viçosa (UFV)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionLousiana State University
dc.date.accessioned2019-10-06T15:33:29Z
dc.date.available2019-10-06T15:33:29Z
dc.date.issued2018-09-01
dc.description.abstractConservation of vegetative organs, as leaves and stalks, is essential to achieve high maize production. The objective of this work was to evaluate the effects of leaf area maintenance due to fungicides spraying on stalk integrity, its chemical composition and grain yield. The experiment was conducted in Uberlândia – MG, during the second season of 2016. The experiment design was a randomized complete block with six replications and six treatments, representing combinations of fungicides belonging to carboxamide, strobilurin, triazole, and dithiocarbamate chemical groups, and the check treatment (without fungicides). The assessed traits were leaf green area, wet and dry stalk density, stalk breaking strength and height, stalk lignin and cellulose percentage, stalk dry matter, stalk lignin and cellulose content per hectare and grain yield. Treatments containing fungicides, especially the ones containing carboxamide, resulted in higher leaf green area and stalk density. Application of fungicides also increased stalk breaking strength and height; however, no effect was observed on stalk lignin and cellulose percentage. Grain yield, stalk dry matter production, and stalk lignin and cellulose contents per hectare were enhanced by fungicide application, with higher improvements in plants treated with carboxamide. Application of fungicides, mainly when combined with carboxamides, promotes higher maintenance of leaf green area, which leads to improved stalk integrity, higher grain yield, and higher straw production.en
dc.description.affiliationUniversidade Federal de Uberlândia/UFU Instituto de Ciências Agrárias
dc.description.affiliationUniversidade Federal de Viçosa/UFV
dc.description.affiliationUniversidade Estadual Paulista Júlio de Mesquita Filho/UNESP Faculdade de Ciências Agrárias e Veterinárias
dc.description.affiliationLousiana State University
dc.description.affiliationUnespUniversidade Estadual Paulista Júlio de Mesquita Filho/UNESP Faculdade de Ciências Agrárias e Veterinárias
dc.format.extent484-490
dc.identifierhttp://dx.doi.org/10.1590/1413-70542018425017318
dc.identifier.citationCiencia e Agrotecnologia, v. 42, n. 5, p. 484-490, 2018.
dc.identifier.doi10.1590/1413-70542018425017318
dc.identifier.fileS1413-70542018000500484.pdf
dc.identifier.issn1981-1829
dc.identifier.issn1413-7054
dc.identifier.scieloS1413-70542018000500484
dc.identifier.scopus2-s2.0-85061498560
dc.identifier.urihttp://hdl.handle.net/11449/187351
dc.language.isoeng
dc.relation.ispartofCiencia e Agrotecnologia
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectFoliar area
dc.subjectLignin and cellulose
dc.subjectStraw
dc.subjectZea mays L
dc.titleCorn stalk integrity is improved by fungicide combinations containing carboxamideen
dc.titleIntegridade de colmo de milho é melhorada por combinações de fungicidas contendo carboxamidapt
dc.typeArtigo

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