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EFFECT OF TRINEXAPAC-ETHYL ON SUGARCANE VARIETIES

dc.contributor.authorLima, Sebastiao Ferreira de
dc.contributor.authorFelix Alvarez, Rita de Cassia
dc.contributor.authorPaiva Neto, Vespasiano Borges de
dc.contributor.authorSimon, Catia Aparecida
dc.contributor.authorOliveira Andrade, Maria Gabriela de [UNESP]
dc.contributor.institutionUniversidade Federal de Mato Grosso do Sul (UFMS)
dc.contributor.institutionFed Univ Vale Sao Francisco
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2019-10-04T12:13:59Z
dc.date.available2019-10-04T12:13:59Z
dc.date.issued2019-01-01
dc.description.abstractGrowth regulators have been widely employed as maturation inducers in the sugarcane crop, as an agricultural strategy. However, the response of varieties to the use of these compounds has been poorly studied, mainly in cerrado (savannah-like biome) areas occupied by the crop. This study was carried out to examine the effects of trinexapac-ethyl on important morphological characteristics of sugarcane varieties. The experiment was set up as a randomized block design with a 4 x 2 factorial arrangement consisting of four varieties (RB83-5054, SP80-1816, RB96-6928, and RB85-5156) associated or unassociated with application of trinexapac-ethyl (375 g L-1 of the a.i. ha(-1)), with four replicates. The ripener was applied at 126, 178, and 228 days after planting (DAP) the first-cycle sugarcane, using the dose of 125 g L-1 a.i. ha(-1) per application. Upon harvest, which occurred at 243 DAP, we determined the number of stalks per meter, weight of 30 stalks without top, internode length, number of internodes per stalk, and yield of sugarcane stalks. Ripener application increased the number of stalks in varieties RB96-6928 and RB83-5054 and the weight of 30 stalks in varieties RB96-6928 and RB83-5054 and SP80-1816; reduced internode length in varieties RB85-5156 and RB83-5054; and increased stalk yield per hectare in varieties RB96-6928 and RB83-5054, but did not increase the number of internodes per stalk in any of the tested varieties. The variables number of stalks, stalk weight, internode length, and stalk yield responded in a genotype-dependent manner to the application of trinexapac-ethyl.en
dc.description.affiliationUniv Fed Mato Grosso do Sul, Plant Sci Plant Prod, Chapadao do Sul Campus, Chapadao Do Sul, MS, Brazil
dc.description.affiliationFed Univ Vale Sao Francisco, Petrolina, PE, Brazil
dc.description.affiliationUniv Sao Paulo ESALQ, Luiz de Queiroz Sch Agr, Agr Microbiol, Sao Paulo, Brazil
dc.description.affiliationJulio de Mesquita Filho Sao Paulo State Univ, Plant Sci, Ilha Solteira Fac Engn, Ilha Solteira, SP, Brazil
dc.description.affiliationUnespJulio de Mesquita Filho Sao Paulo State Univ, Plant Sci, Ilha Solteira Fac Engn, Ilha Solteira, SP, Brazil
dc.format.extent159-165
dc.identifierhttp://dx.doi.org/10.14393/BJ-v35n1a2019-39943
dc.identifier.citationBioscience Journal. Uberlandia: Univ Federal Uberlandia, v. 35, n. 1, p. 159-165, 2019.
dc.identifier.doi10.14393/BJ-v35n1a2019-39943
dc.identifier.issn1981-3163
dc.identifier.urihttp://hdl.handle.net/11449/184480
dc.identifier.wosWOS:000467299200014
dc.language.isoeng
dc.publisherUniv Federal Uberlandia
dc.relation.ispartofBioscience Journal
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectRipeners
dc.subjectModdus (R)
dc.subjectPlant growth regulator
dc.subjectSaccharum spp
dc.titleEFFECT OF TRINEXAPAC-ETHYL ON SUGARCANE VARIETIESen
dc.typeArtigo
dcterms.rightsHolderUniv Federal Uberlandia

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