1982
DOI: 10.17801/0101-3122/rbs.v4n1p23-30
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Teste de envelhecimento acelerado em sementes de capim-colonião

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Cited by 11 publications
(13 citation statements)
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“…These results show clearly the presence of seed dormancy in the species and its releasing after chemical scarification have also been reported in B. brizantha (Castro et al, 1994;Montório et al, 1997;Lago and Martins, 1998;Martins and Silva, 2001). AAT results show that 72 hours and 43°C appears to be an efficient method for partial seed dormancy releasing, which are similar to the results reported in another researches in forage grass species, as in B. brizantha (Montório et al, 1997;Lago and Martins, 1998;Vieira et al, 1998), B. decumbens (Usberti, 1990) and P. maximum (Usberti, 1982). Figure 1 show that all B. brizantha cultivars revealed the same trend for seed drying over silica gel at 25°C.…”
Section: Resultssupporting
confidence: 85%
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“…These results show clearly the presence of seed dormancy in the species and its releasing after chemical scarification have also been reported in B. brizantha (Castro et al, 1994;Montório et al, 1997;Lago and Martins, 1998;Martins and Silva, 2001). AAT results show that 72 hours and 43°C appears to be an efficient method for partial seed dormancy releasing, which are similar to the results reported in another researches in forage grass species, as in B. brizantha (Montório et al, 1997;Lago and Martins, 1998;Vieira et al, 1998), B. decumbens (Usberti, 1990) and P. maximum (Usberti, 1982). Figure 1 show that all B. brizantha cultivars revealed the same trend for seed drying over silica gel at 25°C.…”
Section: Resultssupporting
confidence: 85%
“…Seedling counts were carried out at 7, 14 and 21 days after seeding. Accelerated ageing test (AAT) was carried out using 4 x 50 intact seeds during 48, 72 and 96 hours at 43°C and 100% RH (Usberti, 1982).…”
Section: B Brizantha Seed Lots Of Cultivars Marandu (From Matsuda Sementioning
confidence: 99%
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“…Para o envelhecimento acelerado, foram distribuídas 100 sementes/repetição sobre a superfície de uma tela metálica fixada no interior de caixa plásti-ca, contendo 40 mL de água (MARCOS FILHO et al, 1987), mantida a 42 o C por 36 horas (Usberti, 1982). Decorrido esse período, as sementes foram submetidas ao teste de germinação, anteriormente descrito, para determinar a porcentagem de plântulas normais presentes em 10 dias após a semeadura.…”
Section: Methodsunclassified
“…), originário da África, é uma das principais gramíneas forrageiras da América tropical, com grande importância na formação de pastagens. Apresenta boa amplitude de adaptação às condições tropicais e subtropicais, elevada produção de forragem de boa qualidade, boa resistência ao pastoreio e tem boa aceitação pelos animais (Usberti, 1982;Previero et al 1996). A propagação do capim colonião se dá principalmente por meio de sementes e o Brasil é um produtor, consumidor e exportador de destaque dessas sementes.…”
Section: Introductionunclassified