2021
DOI: 10.5433/1679-0359.2021v42n3supl1p1595
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Abstract: 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, B… Show more

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Cited by 4 publications
(4 citation statements)
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“…This difference in the performance of seedlings between the lots with contrasting vigor was also reported by Abati et al (2018) and Marinho et al (2021), who observed, in separate studies conducted on wheat, that the use of vigorous seeds resulted in a greater number of emerged seedlings compared to the use of non-vigorous seeds. This is because high-vigor seeds have a higher rate of seedling development in the field, even under unfavorable conditions, which results in an adequate initial establishment (Carvalho;Nakagawa, 2012;Garcia;Coelho, 2021).…”
Section: Resultssupporting
confidence: 76%
See 1 more Smart Citation
“…This difference in the performance of seedlings between the lots with contrasting vigor was also reported by Abati et al (2018) and Marinho et al (2021), who observed, in separate studies conducted on wheat, that the use of vigorous seeds resulted in a greater number of emerged seedlings compared to the use of non-vigorous seeds. This is because high-vigor seeds have a higher rate of seedling development in the field, even under unfavorable conditions, which results in an adequate initial establishment (Carvalho;Nakagawa, 2012;Garcia;Coelho, 2021).…”
Section: Resultssupporting
confidence: 76%
“…When Zhao et al (2019) evaluated the effect of vigor on wheat cultivated in rainfed areas, the authors reported that the effect of vigor was strongly influenced by the temperature fluctuations occurring in the environment of the study region. Marinho et al (2021) reported that the effect of vigor on the initial establishment of seedlings was further pronounced under unfavorable conditions of temperature variations. Therefore, it may be stated that the use of vigorous seeds is essential for establishing an adequate population of plants even under stressful conditions (Finch-Savage;Bassel, 2016).…”
Section: Resultsmentioning
confidence: 99%
“…The study by Pinheiro et al [39] clearly shows an increase in the number of non-productive tillers as the sowing density of wheat increases. Marinho et al [40] prove that competition between plants and tillers can increase the incidence of infertile tillers, especially at high sowing densities.…”
Section: Morphological and Agronomic Traitsmentioning
confidence: 99%
“…When crop performance assessment is based on seed quality, plant characterization allows identifying at a time the impacts generated by quality that are more expressive in contributing to productivity. In wheat (a species with outstanding worldwide nutritional, the use of high-vigor seeds favors the establishment of plant stand (Marinho et al, 2021) and the growth and development of plants in the initial phenological stages, culminating in an increase in seed yield (Abati et al, 2018). Also in wheat, Cardoso et al (2021) went beyond yield and investigated the impacts of vigor on seed quality.…”
Section: Introductionmentioning
confidence: 99%