Please use this identifier to cite or link to this item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1181090
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dc.contributor.authorMARINHO, J. de L.
dc.contributor.authorSILVA, S. R.
dc.contributor.authorSOUZA, D. N. DE
dc.contributor.authorFONSECA, I. C. DE B.
dc.contributor.authorBAZZO, J. H. B.
dc.contributor.authorZUCARELI, C.
dc.date.accessioned2025-11-05T19:48:53Z-
dc.date.available2025-11-05T19:48:53Z-
dc.date.created2025-11-04
dc.date.issued2021
dc.identifier.citationSemina: Ciências Agrárias, v. 42, n. 3, supl. 1, p. 1595-1614, 2021.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1181090-
dc.descriptionOptimization 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.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectTriticum aestivum L
dc.titleWheat yield and seed physiological quality affected by initial seed vigor, sowing density, and environmental conditions.
dc.typeArtigo de periódico
dc.subject.thesagroGrão
dc.subject.thesagroTrigo
dc.subject.thesagroFisiologia
dc.subject.thesagroAspecto Fisiológico
dc.subject.thesagroSemente
dc.subject.thesagroSemeadura
dc.subject.thesagroDensidade de Semeadura
dc.subject.nalthesaurusSeed quality
dc.subject.nalthesaurusGermination
dc.subject.nalthesaurusGrains
dc.subject.nalthesaurusWheat
dc.subject.nalthesaurusPlant physiology
riaa.ainfo.id1181090
riaa.ainfo.lastupdate2025-11-05
dc.contributor.institutionJÉSSIA DE LUCENA MARINHO, UNIVERSIDADE ESTADUAL DE LONDRINA; SERGIO RICARDO SILVA, CNPF; DIOGO NASCIMENTO DE SOUZA, SYNGENTA SEEDS; INÊS CRISTINA DE BATISTA FONSECA, UNIVERSIDADE ESTADUAL DE LONDRINA; JOSÉ HENRIQUE BIZZARRI BAZZO, UNIVERSIDADE ESTADUAL DE LONDRINA; CLAUDEMIR ZUCARELI, UNIVERSIDADE ESTADUAL DE LONDRINA.
Appears in Collections:Artigo em periódico indexado (CNPF)

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