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3. | | VALVERDE, S. R.; REZENDE, J. L. P.; LIMA, R. G.; JACOVINE, L. A. G.; SILVA, M. L.; SOUZA, D. N. Efeitos multiplicadores do setor florestal na economia brasileira. In: CONGRESSO E EXPOSIÇÃO INTERNACIONAL SOBRE FLORESTAS, 6., 2000, Porto Seguro. Resumos técnicos. Rio de Janeiro: Instituto Ambiental Biosfera, 2000. p.289-290. Biblioteca(s): Embrapa Florestas. |
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5. | | VALVERDE, S. R.; SILVA, C. M.; JACOVINE, L. A. G.; SILVA, M. L.; SOUZA, D. N.; LIMA, R. G. O sistema de gestão ambiental e as certificações pelas Normas da Serie ISO 14000. In: CONGRESSO E EXPOSIÇÃO INTERNACIONAL SOBRE FLORESTAS, 6., 2000, Porto Seguro. Resumos técnicos. Rio de Janeiro: Instituto Ambiental Biosfera, 2000. p. 546-548. Biblioteca(s): Embrapa Florestas. |
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6. | | BAZZO, J. H. B.; MARINHO, J. de L.; SOUZA, D. N. de; SILVA, S. R.; CARDOSO, C. P.; CESCO, V. J. S.; FAVORETTO, V. R.; ZUCARELI, C. Adubação nitrogenada na qualidade fisiológica de sementes de genótipos trigo. In: REUNIÃO DA COMISSÃO BRASILEIRA DE PESQUISA DE TRIGO E TRITICALE, 10., 2016, Londrina. Anais... Londrina: Comissão Brasileira de Pesquisa de Trigo e Triticale, 2016. 5 p. 1 CD-ROM. Biblioteca(s): Embrapa Trigo. |
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7. | | ABATI, J.; ZUCARELI, C.; BRZEZINSKI, C. R.; HENNING, F. A.; FOLONI, J. S. S.; WERNER, F.; SOUZA, D. N.; BASSOI, M. C. Estabelecimento e crescimento inicial de plântulas de trigo em resposta ao vigor de sementes associado a densidades de semeadura. Informativo ABRATES, Brasília, DF, v. 25, n. 2, set. 2015. Edição dO Anais do XIX Congresso Brasileiro de Sementes, Foz do Iguaçu, 2015. Biblioteca(s): Embrapa Soja. |
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8. | | MARINHO, J. L.; BAZZO, J. H. B.; SOUZA, D. N.; FOLONI, J. S. S.; CARDOZO, C. P.; CESCO, V. J. S.; SILVA, V. A. S.; ZUCARELI, C. Qualidade fisiológica de sementes de duas cultivares de trigo em resposta a densidade de semeadura. In: REUNIÃO DA COMISSÃO BRASILEIRA DE PESQUISA DE TRIGO E TRITICALE, 10., 2016, Londrina. Anais... Londrina: Comissão Brasileira de Pesquisa de Trigo e Triticale, 2016. 5 p. 1 CD-ROM. Biblioteca(s): Embrapa Soja. |
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9. | | BRZEZINSKI, C. R.; ABATI, J.; HENNING, A. A.; FRANÇA-NETO, J. B.; KRZYZANOWSKI, F. C.; HENNING, F. A.; SOUZA, D. N.; ZUCARELI, C. Qualidade fisiológica de sementes de soja tratadas industrialmente com diferentes volumes de calda, com e sem pó secante. In: CONGRESSO BRASILEIRO DE SOJA, 7.; MERCOSOJA, 2015, Florianópolis. Tecnologia e mercado global: perspectivas para soja: anais. Londrina: Embrapa Soja, 2015. 3 p. 1 CD-ROM. Biblioteca(s): Embrapa Soja. |
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10. | | MARINHO, J. L.; BAZZO, J. H. B.; SOUZA, D. N.; FOLONI, J. S. S.; CARDOZO, C. P.; CESCO, V. J. D.; ZUCARELI, C. Vigor de sementes associado à densidade de semeadura na qualidade fisiológica de sementes de trigo. In: REUNIÃO DA COMISSÃO BRASILEIRA DE PESQUISA DE TRIGO E TRITICALE, 10., 2016, Londrina. Anais... Londrina: Comissão Brasileira de Pesquisa de Trigo e Triticale, 2016. 5 p. 1 CD-ROM. Biblioteca(s): Embrapa Soja. |
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11. | | MARINHO, J. de L.; SILVA, S. R.; SOUZA, D. N. DE; FONSECA, I. C. DE B.; BAZZO, J. H. B.; ZUCARELI, C. Wheat yield and seed physiological quality affected by initial seed vigor, sowing density, and environmental conditions Sêmina: Ciências Agrárias, v. 42, n. 3, supl. 1, p. 1595-1614, 2021 Biblioteca(s): Embrapa Trigo. |
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12. | | SOUZA, D. N. de; SILVA, S. R.; MARINHO, J. L.; BAZZO, J. H. B.; FONSECA, I. C. de B.; ZUCARELI, C. Wheat yield and seed physiological quality as influenced by seed vigor, nitrogen fertilization and edaphoclimatic conditions. Semina: Ciências Agrárias Londrina, v. 42, n. 6, Sipl. 2, p. 3581-3602, 2021. Biblioteca(s): Embrapa Trigo. |
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13. | | SILVA, M. S. L. da; MELLO, A. C.; MARINHO, R. E. M.; ARAÚJO, J. A. de; ANJOS, J. B. dos; GNALDLINGER, J.; SOUZA, D. N. de; VIANA, J. R.; LEITE, W. de M.; BRITO, L. T. de L. Barragem subterrânea: I - Diagnóstico nos estados da Bahia, Pernambuco e Paraíba. In: SIMPÓSIO BRASILEIRO DE CAPTAÇÃO E MANEJO DE ÁGUA DE CHUVA, 5., 2005, Teresina. Anais... Teresina: ABCMAC: Embrapa Semi-Árido: IRPAA: ASA, 2005. 1 CD-ROM. Biblioteca(s): Embrapa Semiárido. |
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Registros recuperados : 13 | |
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Registro Completo
Biblioteca(s): |
Embrapa Trigo. |
Data corrente: |
07/06/2021 |
Data da última atualização: |
10/12/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MARINHO, J. de L.; SILVA, S. R.; SOUZA, D. N. DE; FONSECA, I. C. DE B.; BAZZO, J. H. B.; ZUCARELI, C. |
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. |
Título: |
Wheat yield and seed physiological quality affected by initial seed vigor, sowing density, and environmental conditions |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Sêmina: Ciências Agrárias, v. 42, n. 3, supl. 1, p. 1595-1614, 2021 |
Idioma: |
Inglês |
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 |
Thesagro: |
Aspecto Fisiológico; Densidade de Semeadura; Fisiologia; Grão; Semeadura; Semente; Trigo. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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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