2009
DOI: 10.1590/s0103-84782009005000217
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Teste de germinação sob condições de restrição hídrica para avaliar o vigor de sementes de girassol

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Cited by 6 publications
(5 citation statements)
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“…Considering each cultivars, 'Sol noturno', 'Jardim amarelo alto' and 'Sunflower F1 vincents choice' reacted in a similar way on both growing seasons and 'Bonito de outono sortido', 'Sol vermelho' and 'Sunflower F1 sunbright supreme' provided significant rates when sown in GS1, being 47.5%, 31.57% and 38.27%, respectively, faster than in GS2, probably related to the higher temperatures (Table 1), that stimulate initial seedling growth. These results, in general, were lower than those reported by Barros and Rossetto (2009) when different seeds lots of sunflower 'Catissol' (13.31 to 16.54) were evaluated, but are closed to those verified by Rocha et al (2015) for the 'Catissol 01', whose ESI values ranged from 9.0 to 12.0. According to Khalifa et al (2000), the germination of sunflower seeds takes relative less time under high temperature and this can result in a shortly cycle.…”
Section: Figcontrasting
confidence: 83%
“…Considering each cultivars, 'Sol noturno', 'Jardim amarelo alto' and 'Sunflower F1 vincents choice' reacted in a similar way on both growing seasons and 'Bonito de outono sortido', 'Sol vermelho' and 'Sunflower F1 sunbright supreme' provided significant rates when sown in GS1, being 47.5%, 31.57% and 38.27%, respectively, faster than in GS2, probably related to the higher temperatures (Table 1), that stimulate initial seedling growth. These results, in general, were lower than those reported by Barros and Rossetto (2009) when different seeds lots of sunflower 'Catissol' (13.31 to 16.54) were evaluated, but are closed to those verified by Rocha et al (2015) for the 'Catissol 01', whose ESI values ranged from 9.0 to 12.0. According to Khalifa et al (2000), the germination of sunflower seeds takes relative less time under high temperature and this can result in a shortly cycle.…”
Section: Figcontrasting
confidence: 83%
“…Em soja, Schuab et al (2007) verificaram que o teste de germinação sob potencial osmótico de -0,2 MPa, induzido por PEG 6000, apontou diferenças no vigor das sementes, e Silva et al (2006) indicaram o teste de germinação sob -0,6 MPa como procedimento promissor para a avaliação do potencial fisiológico das sementes dessa espécie. Trabalhos semelhantes foram conduzidos com girassol (Barros & Rossetto, 2009), algodão (Meneses et al, 2011), milho (Tonin et al, 2000) e arroz (Pirdashti et al, 2003).…”
Section: Introduçaounclassified
“…As perspectivas de crescimento da área cultivada com esta espécie são bastante favoráveis e vêm aumentando em diversas regiões do Brasil (Barros, 2009), visando atender o mercado de óleos comestíveis nobres, produção de silagem e de mel, além do ramo de flores ornamentais (Embrapa, 2008). Outro fator é alto teor de óleo no grão, que varia de 40 a 54%, dependendo da cultivar e do ambiente de cultivo (Rossi, 1998).…”
Section: Introductionunclassified