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| BRUNETTA, D.; DOTTO, S. R.; FRANCO, F. de A.; RIEDE, C. R.; WOBETO, C.; BASSOI, M. C.. |
| A avaliacao de cultivares de trigo no Parana, com fins de recomendacao, e realizada pelas Instituicoes: IAPAR, Embrapa Soja, COODETEC e Fundacao Agraria de Pesquisa, atraves da instalacao de ensaios de rendimento nas principais regioes triticolas do Estado. Sao relatados os resultados obtidos em 1996 de 17 experimentos do Ensaio Intermediario Paranaense (IPR), 25 experimentos do Centro-Sul Brasileiro (CSBR) e 24 experimentos do Ensaio em Cultivo (ECR), para solos com aluminio, instalados em Londrina, Faxinal, Campo Mourao, Cascavel, Pato Branco, Arapoti, Tibagi, Ponta Grossa e Guarapuava, representando as regioes Norte, Oeste, Sudoeste e Sul do Estado. Os rendimentos dos ensaios instalados em Faxinal foram prejudicados por chuva de granizo. Devido a pouca... |
| Tipo: Documentos (INFOTECA-E) |
Palavras-chave: Avaliacao de cultivar; Brasil; Parana; Aluminium; Evaluation; Variety.; Alumínio; Genótipo; Trigo; Solo.; Genotype; Brazil; Soil; Wheat.. |
| Ano: 1997 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/460003 |
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| SPEHAR, C. R.; SOUZA, L. A. C.. |
| RESUMO: Realizaram-se testes com genótipos de soja para determinar qual a combinação entre a concentração e o período de exposição ao alumínio (Al) e a fonte de cálcio (cloreto ou nitrato), sendo esta mais eficiente na seleção de plantas tolerantes ao Al em solução nutritiva. Os genótipos avaliados foram BR86 5974, BR86 7396, BR86 7485, FT Cristal, FT 100, FT Cristalina, Doko RC, FT Eureka, BR 40 (Itiquira) e BR 9 (Savana). Utilizou-se o delineamento de blocos ao acaso em parcelas subsubdivididas onde, nas parcelas, foram comparadas fontes de cálcio, nas subparcelas, concentrações de Al, e nas subsubparcelas genótipos. A concentração de 2mg/L de Al foi apropriada para discriminar os genótipos 48 horas depois do início do teste. As fontes de cálcio não... |
| Tipo: Boletim de Pesquisa e Desenvolvimento (INFOTECA-E) |
Palavras-chave: Tolerância; Estresse; Aluminium; Tolerance; Hidroponics.; Alumínio; Glycine Max; Genótipo; Melhoramento Vegetal; Soja; Stress.; Genotype; Plant breeding; Soybeans.. |
| Ano: 2004 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/569088 |
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| Davies, Peter; Sohier, L.; Cognard, J. -y.; Bourmaud, A.; Choqueuse, Dominique; Rinnert, Emmanuel; Creac'Hcadec, R.. |
| While the geometry of aerospace assemblies is carefully controlled, for many industrial applications such as marine structures bond line thickness can vary significantly. In this study epoxy adhesive joints of different thicknesses between aluminium substrates have been characterized using physico-chemical analyses (differential scanning calorimetry, DSC; dynamic mechanical analysis, DMA; spectroscopy), nano-indentation and mechanical testing. Thermal analyses indicated no influence of thickness on structure. Nano-indentation revealed no evidence of an interphase at the metal/epoxy interface, nor any change in modulus for different thicknesses, though Raman spectroscopy suggested there may be slight variations in composition close to the substrates.... |
| Tipo: Text |
Palavras-chave: Arcan; Mechanical properties; Aluminium; Epoxy. |
| Ano: 2009 |
URL: http://archimer.ifremer.fr/doc/2009/publication-6638.pdf |
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| Spehar,Carlos Roberto. |
| High available aluminium and low levels of calcium below the ploughed zone of the soil are limiting factors for agricultural sustainability in the Brazilian Cerrados (Savannahs). The mineral stresses compound with dry spells effect by preventing deep root growth of cultivated plants and causes yield instability. The mode of inheritance for grain yield and mineral absorption ratio of a diallel cross in soybeans [Glycine max (L.) Merrill] grown in high and low Al areas was identified. Differences among the genotypes for grain yield were more evident in the high Al, by grouping tolerant and non-tolerant genotypes for their respective arrays in the hybrids. A large proportion of genetic variance was additive for grain yield and mineral absorption ratio in both... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aluminium; Calcium; Cultivar; Additive; Dominance; Breeding. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X1999000600011 |
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| Reissmann,Carlos Bruno; Radomski,Maria Izabel; Quadros,Ruth Maria Bianchini de. |
| Ilex paraguariensis St. Hil. (erva-mate), the mate tea, is a forest tree whose natural distribution in the Brazilian territory embraces the States of Mato Grosso do Sul, Paraná, Santa Catarina and Rio Grande do Sul. Its economical importance is moreover related to tea production. The purpose of this study is to characterize the leaf chemical composition in relation to different plantation and management conditions. Chemical analysis were performed on plants of different ages,in naturally occurring areas, planted stands, and seedbeds. The most remarkable elements observed in the study were P with average values ranging from 0,5 - 3,2 g kg-1 D.W., Mn values from 346 - 3.330 mg kg-1 D.W., and Al values from 167 - 1.235 mg kg-1 D.W. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Macronutrients; Micronutrients; Aluminium; Foliar analysis; Ilex paraguariensis; Erva-mate. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89131999000200009 |
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