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      UENF SD 08 and UENF SD 09: Super-sweet corn hybrids for Northern Rio de Janeiro, Brazil

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          Abstract

          Abstract The purpose of this study was to describe the main traits of the super-sweet maize cultivars ‘UENF SD 08’ and ‘UENF SD 09’, which produced higher yields than the control cultivar in the VCU (Value for Cultivation and Use) test series and proved to be competitive under the agro-climatic conditions of Northern and Northwestern Rio de Janeiro State.

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          Bioactive amines in fresh, canned and dried sweet corn, embryo and endosperm and germinated corn

          Cecília Bandeira, Warlley Pinheiro Evangelista, Maria Glória (2012)
          Article 0 comments Cited 13 times – based on 0 reviews     Review now
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            Agronomic performance of super-sweet corn genotypes in the north of Rio de Janeiro

            Pedro Henrique Araújo Diniz Santos, Messias Pereira, Roberto Trindade … (2014)
            We investigated the agronomic performance of super-sweet corn genotypes. Super-sweet corn genotypes were backcrossed with regionally adapted field varieties (CIMMYT 8 and Piranão 8). Eight morphological and yield-related traits were evaluated. A significant effect of interaction was observed between the five groups of genotypes (donor parents; super-sweet backcrossed parents; super-sweet intervarietal hybrids; common intervarietal corn hybrids; and field corn populations). Despite the low yield of genotype SH2Piranão, the hybrids resulting from interbreeding of the backcrossed parents for the improvement of super-sweet corn were promising. The agronomic performance of the super-sweet parents and their hybrids indicates the possibility of breeding lines with high genetic value to obtain single-cross hybrids and cultivars of super-sweet corn adapted to the northern region of the State of Rio de Janeiro.
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              Development and selection of super-sweet corn genotypes (sh2) through multivariate approaches

              Gabriel Gonçalves, Messias Pereira, José Arantes Ferreira Júnior … (2018)
              ABSTRACT The aim of the present study was to investigate relations among ten traits in super-sweet corn genotypes assessed by means of simple correlation, path and canonical variable analyses, as well as to investigate the relative importance of such traits to the super-sweet corn breeding program developed at Darcy Ribeiro Northern Fluminense State University in order to develop strategies able to improve the efficiency in the selection of superior genotypes. Thus, trials comprising 3 × 6 partial diallel of super-sweet (sh2) corn were carried out, according to a short_textrandomized block design (RBD)short_text with four repetitions, in two different environments located in Northern Rio de Janeiro State, Brazil (Itaocara and Campos dos Goytacazes counties). The correlation study showed that traits such as ear diameter and useful short_textearshort_text length contributed the most to increase short_textearshort_text yield (without husk); the variable ear diameter stood out for having stronger direct effect on ear yield, as well as for presenting high heritability (0.95). The trait number of grains per ear row contributed the most to the variation between hybrids, whereas the trait useful ear length contributed the least. The canonical variables showed that the genetic backgrounds of sh2-gene donor populations had effect on recurrent populations, even after five backcrossing cycles, thus resulting in the formation of two divergent groups.
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                Author and article information

                Contributors
                Messias Gonzaga Pereira: Role: ND
                Gabriel Moreno Bernardo Gonçalves: Role: ND
                Nayara Norrene Lacerda Durães: Role: ND
                Jocarla Ambrosim Crevelari: Role: ND
                José Arantes Ferreira Júnior: Role: ND
                Geovana Cremonini Entringer: Role: ND
                Journal
                Journal ID (publisher-id): cbab
                Title: Crop Breeding and Applied Biotechnology
                Abbreviated Title: Crop Breed. Appl. Biotechnol.
                Publisher: Crop Breeding and Applied Biotechnology (Viçosa, MG, Brazil )
                ISSN (Print): 1518-7853
                ISSN (Electronic): 1984-7033
                Publication date (Print and electronic): July 2019
                Volume: 19
                Issue: 2
                Pages: 235-239
                Affiliations
                [1] Campos dos Goytacazes Rio de Janeiro orgnameUniversidade Estadual do Norte Fluminense orgdiv1Centro de Ciências e Tecnologias Agropecuárias Brazil
                Article
                Publisher ID: S1984-70332019000200235
                DOI: 10.1590/1984-70332019v19n2c33
                SO-VID: ca903af5-c4f7-40c8-b4dd-eed820dfe886
                License:

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                Date accepted : 13 December 2018
                Date received : 08 October 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 11, Pages: 5
                Product

                SciELO Brazil

                Categories
                Subject: Cultivar Release

                Keywords: yield,green corn.,shrunken,plant breeding,Zea mays L.
                Data availability:
                Keywords: yield, green corn., shrunken, plant breeding, Zea mays L.

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