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Registro Completo |
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
07/06/2021 |
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Data da última atualização: |
10/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MARINHO, J. de L.; SILVA, S. R.; SOUZA, D. N. DE; FONSECA, I. C. DE B.; BAZZO, J. H. B.; ZUCARELI, C. |
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Afiliação: |
JÉSSIA DE LUCENA MARINHO, Doctoral Student in the Graduate Program in Agronomy, Center for Agricultural Sciences, State University of Londrina, UEL, Londrina, PR, Brazil. E-mail: jlmarinho@live.com; SERGIO RICARDO SILVA, CNPT; DIOGO NASCIMENTO DE SOUZA, M.e, Agronomist employed in Syngenta Seeds, Maringá, PR, Brazil. E-mail: di.nsouza@gmail.com; INÊS CRISTINA DE BATISTA FONSECA, Profs. Drs., Department of Agronomy, Center for Agricultural Sciences, UEL, Londrina, PR, Brazil. E-mail: inescbf@uel. br; josebazzo@uel.br; claudemircca@uel.br; JOSÉ HENRIQUE BIZZARRI BAZZO, Profs. Drs., Department of Agronomy, Center for Agricultural Sciences, UEL, Londrina, PR, Brazil. E-mail: inescbf@uel. br; josebazzo@uel.br; claudemircca@uel.br; CLAUDEMIR ZUCARELI, Profs. Drs., Department of Agronomy, Center for Agricultural Sciences, UEL, Londrina, PR, Brazil. E-mail: inescbf@uel. br; josebazzo@uel.br; claudemircca@uel.br. |
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Título: |
Wheat yield and seed physiological quality affected by initial seed vigor, sowing density, and environmental conditions |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Sêmina: Ciências Agrárias, v. 42, n. 3, supl. 1, p. 1595-1614, 2021 |
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Idioma: |
Inglês |
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Conteúdo: |
Optimization of seed density range, combined with the use of quality seeds may help generate more profit from wheat production, as these factors affect grain yield and the quality of seeds. The aim of this study was to evaluate the effects of initial vigor level and sowing densities on the productive performance of the plants and the physiological performance of the seeds of two wheat cultivars in two cultivation environments. The experiment was carried out in the cities of Londrina and Ponta Grossa, Paraná, Brazil, in a randomized block design with four replications, following a 2 × 2 × 4 factorial scheme with two levels of seed vigor (high and low), two cultivars (BRS Gralha-Azul and BRS Sabiá), and four sowing densities (150, 250, 350, and 450 seeds m-2). The following characteristics were evaluated: emerged seedlings, shoot dry matter, spike density, vegetation index, and grain yield. Additionally, the physiological potential of the seeds produced in Londrina was evaluated by first germination count, germination, accelerated aging, seedling emergence, and emergence speed index tests. The increase in density up to 450 seeds m-2 favored the productive performance of the crop in both cultivation environments; however, it reduced the physiological performance of the seeds produced in Londrina. The cultivars BRS Gralha-Azul and BRS Sabiá had better performance and grain yield in Londrina and Ponta Grossa, respectively. High-vigor seeds favored the establishment of the stand, especially under unfavorable environmental conditions. Key words: Germination. Plant population. Seed quality. Triticum aestivum L. MenosOptimization of seed density range, combined with the use of quality seeds may help generate more profit from wheat production, as these factors affect grain yield and the quality of seeds. The aim of this study was to evaluate the effects of initial vigor level and sowing densities on the productive performance of the plants and the physiological performance of the seeds of two wheat cultivars in two cultivation environments. The experiment was carried out in the cities of Londrina and Ponta Grossa, Paraná, Brazil, in a randomized block design with four replications, following a 2 × 2 × 4 factorial scheme with two levels of seed vigor (high and low), two cultivars (BRS Gralha-Azul and BRS Sabiá), and four sowing densities (150, 250, 350, and 450 seeds m-2). The following characteristics were evaluated: emerged seedlings, shoot dry matter, spike density, vegetation index, and grain yield. Additionally, the physiological potential of the seeds produced in Londrina was evaluated by first germination count, germination, accelerated aging, seedling emergence, and emergence speed index tests. The increase in density up to 450 seeds m-2 favored the productive performance of the crop in both cultivation environments; however, it reduced the physiological performance of the seeds produced in Londrina. The cultivars BRS Gralha-Azul and BRS Sabiá had better performance and grain yield in Londrina and Ponta Grossa, respectively. High-vigor seeds favored the establishment of the stand, ... Mostrar Tudo |
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Thesagro: |
Aspecto Fisiológico; Densidade de Semeadura; Fisiologia; Grão; Semeadura; Semente; Trigo. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/223666/1/Marinho.et.al.2021.Semina.Ci.Agrarias-Trigo.Vigor.Sem.x.Dens.Sem..pdf
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Marc: |
LEADER 02431naa a2200265 a 4500
001 2132214
005 2021-12-10
008 2021 bl uuuu u00u1 u #d
100 1 $aMARINHO, J. de L.
245 $aWheat yield and seed physiological quality affected by initial seed vigor, sowing density, and environmental conditions$h[electronic resource]
260 $c2021
520 $aOptimization of seed density range, combined with the use of quality seeds may help generate more profit from wheat production, as these factors affect grain yield and the quality of seeds. The aim of this study was to evaluate the effects of initial vigor level and sowing densities on the productive performance of the plants and the physiological performance of the seeds of two wheat cultivars in two cultivation environments. The experiment was carried out in the cities of Londrina and Ponta Grossa, Paraná, Brazil, in a randomized block design with four replications, following a 2 × 2 × 4 factorial scheme with two levels of seed vigor (high and low), two cultivars (BRS Gralha-Azul and BRS Sabiá), and four sowing densities (150, 250, 350, and 450 seeds m-2). The following characteristics were evaluated: emerged seedlings, shoot dry matter, spike density, vegetation index, and grain yield. Additionally, the physiological potential of the seeds produced in Londrina was evaluated by first germination count, germination, accelerated aging, seedling emergence, and emergence speed index tests. The increase in density up to 450 seeds m-2 favored the productive performance of the crop in both cultivation environments; however, it reduced the physiological performance of the seeds produced in Londrina. The cultivars BRS Gralha-Azul and BRS Sabiá had better performance and grain yield in Londrina and Ponta Grossa, respectively. High-vigor seeds favored the establishment of the stand, especially under unfavorable environmental conditions. Key words: Germination. Plant population. Seed quality. Triticum aestivum L.
650 $aAspecto Fisiológico
650 $aDensidade de Semeadura
650 $aFisiologia
650 $aGrão
650 $aSemeadura
650 $aSemente
650 $aTrigo
700 1 $aSILVA, S. R.
700 1 $aSOUZA, D. N. DE
700 1 $aFONSECA, I. C. DE B.
700 1 $aBAZZO, J. H. B.
700 1 $aZUCARELI, C.
773 $tSêmina: Ciências Agrárias$gv. 42, n. 3, supl. 1, p. 1595-1614, 2021
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Registro original: |
Embrapa Trigo (CNPT) |
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
27/11/2017 |
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Data da última atualização: |
29/11/2017 |
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Tipo da produção científica: |
Sistema de Produção |
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Autoria: |
CIPRIANI, H. N.; VIEIRA, A. H.; ROCHA, R. B.; COSTA, J. N. M.; MENDES, A. M.; ARAUJO, L. V. de; VIEIRA JUNIOR, J. R. |
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Afiliação: |
HENRIQUE NERY CIPRIANI, CPAF-Rondonia; ABADIO HERMES VIEIRA, CPAF-Rondonia; RODRIGO BARROS ROCHA, CPAF-Rondonia; JOSE NILTON MEDEIROS COSTA, CPAF-Rondonia; ANGELO MANSUR MENDES, CNPM; LEONARDO VENTURA DE ARAUJO, CPAF-Rondonia; JOSE ROBERTO VIEIRA JUNIOR, CPAF-Rondonia. |
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Título: |
Cultivo do Eucalipto para madeira em Rondônia. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Porto Velho: Embrapa Rondônia, 2015. |
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Série: |
(Embrapa Rondônia. Sistemas de Produção, 35). |
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Idioma: |
Português |
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Conteúdo: |
A publicação reúne informações que orientam a produção de eucalipto no estado de Rondônia. |
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Palavras-Chave: |
Cultivo. |
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Thesagro: |
Eucalipto; Madeira. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/167531/1/SP-35-Sistema-de-produc807a771o-do-Eucalipto.pdf
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Marc: |
LEADER 00739nam a2200229 a 4500
001 2080777
005 2017-11-29
008 2015 bl uuuu 00u1 u #d
100 1 $aCIPRIANI, H. N.
245 $aCultivo do Eucalipto para madeira em Rondônia.$h[electronic resource]
260 $aPorto Velho: Embrapa Rondônia$c2015
490 $a(Embrapa Rondônia. Sistemas de Produção, 35).
520 $aA publicação reúne informações que orientam a produção de eucalipto no estado de Rondônia.
650 $aEucalipto
650 $aMadeira
653 $aCultivo
700 1 $aVIEIRA, A. H.
700 1 $aROCHA, R. B.
700 1 $aCOSTA, J. N. M.
700 1 $aMENDES, A. M.
700 1 $aARAUJO, L. V. de
700 1 $aVIEIRA JUNIOR, J. R.
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Embrapa Rondônia (CPAF-RO) |
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