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Registros recuperados: 3
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Biomasa acumulada e intercambio gaseoso en maíz proveniente de semilla de diferente tamaño bajo humedad favorable y restringida: (con 3 tablas) Phyton
López-Santillán,José Alberto; Castro-Nava,Sergio; Trejo-López,Carlos; Mendoza-Castillo,Ma. Del Carmen; Ortiz-Cereceres,Joaquín.
Se evaluó la velocidad de germinación y el crecimiento de plántulas de maíz provenientes de semilla de dos diferentes tamaños para determinarlas diferencias en la producción de biomasa durante la etapa vegetativa y estimar los efectos de una condición diferente de disponibilidad de humedad sobre el estatus fisiológico de la plántula. Una mayor cantidad de biomasa en el endospermo y en el embrión de las semillas permitió una mayor disponibilidad de reservas durante la etapa posterior a la germinación y anterior a la emergencia, dando como resultado un mayor vigor inicial en las plántulas evaluadas, y en consecuencia una mayor acumulación de biomasa, tanto radical como aérea, durante la etapa vegetativa. La presencia de una restricción de humedad durante la...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Maize; Seed size; Seedling vigor; Biomass; Drought; Gas exchange.
Ano: 2004 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572004000100030
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Disinfection of cowpea (vigna unguiculata) seeds on seedlings development. Repositório Alice
SMIDERLE, O. J.; SILVA NETO, M. L.; SOUZA, A. das G.; ZILLI, J. E.; SILVA, K. D..
The fast expansion of annual crops in recent decades with little phytosanitary management has led to the dissemination of several pathogens in the Brazilian cowpea-producing regions. Although, seed treatment is a common practice, there are no registered products for the cowpea and farmers apply the fungicides recommended for soybean cultivation. This study aimed to evaluate the influence of sodium hypochlorite and fungicidal treatments on the germination and initial development of seedlings of five cowpea cultivars under greenhouse conditions. Two experiments were established, one with seeds of five cultivars stored during 120 d, and another with newly collected seeds, disinfected or not with sodium hypochlorite, and treated with five fungicides.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Seedling vigor; Emergence seedling; Vigna Unguiculata.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1098493
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Germination and seedling growth of Enterolobium contortisiliquum as a function of seed weight and temperature and light conditions Agrociencia
Lessa,B. França da Trindade; de Almeida,J. Paulo Nobre; Pinheiro,Charles Lobo; Gomes,Fernanda Melo; Medeiros-Filho,Sebastião.
Studies of germination behavior and seedling establishment contribute to the development of appropriate methods of forest species management. The aim of this study was to investigate germination and seedling growth of tamboril (Enterolobium contorsiliquum (Vell.) Morong), taking into account environmental factors and seed weight. Seeds were separated into three weight classes (light, medium and heavy), to determine the moisture content percentage and thousand-seed weight per class. Seeds from each class were then tested for germination. The experimental design was completely randomized with a 2x3x4 factorial arrangement of treatments: two light conditions (presence and absence), three weight classes (Light < 0.7 g; Medium 0.7 to 0.8 g; Heavy &gt;...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Environmental factors; Tree species; Tamboril; Seedling vigor.
Ano: 2015 URL: http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1405-31952015000300007
Registros recuperados: 3
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