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Interações de cobre e fósforo em acessos de Pfaffia glomerata (Spreng.) Pedersen: efeito no crescimento e rendimento de β-ecdisona
(Universidade Federal de Santa Maria, 2013-03-14)
Pfaffia glomerata (Spregen.) Pedersen stands out as a species of great medical and commercial importance due to its major secondary metabolite β-ecdysone, which content can vary in roots under adverse conditions as nutritional ...
Necessidades de frio invernal das espécies arbóreas nativas ipê-roxo, açoita-cavalo e angico-branco
(Universidade Federal de Santa Maria, 2013-03-15)
The southwest region of Rio Grande do Sul (RS) state has widespread areas with sandy soils
in the process of sandification. In the present study, we report the effect of different
intercropping in blackberry plants on ...
Benefícios da associação com Glomus clarum e adubação fosfatada em cultivares crioulas de milho, RS
(Universidade Federal de Santa Maria, 2013-01-07)
Maize has great economical importance, while Brazil is the third largest producer, but
does not stand out among the countries with the highest level of productivity, due to the large
number of small producers who cultivate ...
Isolamento e inoculação de bactérias diazotróficas e promotoras de crescimento em arroz irrigado
(Universidade Federal de Santa Maria, 2013-07-30)
Brazil is one of the largest producers and consumers of rice (Oryza sativa) in the world, and the largest portion of its production comes from floodplain ecosystems, and Rio Grande do Sul (RS), the largest national producer. ...
Os herbicidas causam alterações reversíveis na comunidade fitoplanctônica em lavoura de arroz
(Universidade Federal de Santa Maria, 2013-03-13)
Several agrochemicals are used for rice production in Brazil; depending on their persistence and toxicity, these substances may cause damage to non-target species and also contaminate water systems. Paddy rice fields are ...
Desenvolvimento inicial, caracterização estrutural da flor, androsporogênese e androgametogênese em Dyckia racinae L.B.Sm.(Pitcairnioideae-Bromeliaceae)
(Universidade Federal de Santa Maria, 2013-03-15)
Important among monocots neotropical family, the bromeliads expand the richness and diversity of the ecosystems where occurs. So gather knowledge in pursuit for implementing projects really effective for biodiversity ...
O gênero Oxalis L. (Oxalidaceae) no Rio Grande do Sul, Brasil.
(Universidade Federal de Santa Maria, 2013-08-28)
This works aims at caring out the survey of the genus Oxalis in the state of Rio Grande do Sul, offering means for the species identification. This study was carried out based on review of specialized literature and specific ...
Potencial genotóxico e antiproliferativo dos extratos de Echinodorus grandiflorus e Sagittaria montevidensis (Alismataceae)
(Universidade Federal de Santa Maria, 2013-02-18)
In Brazil, the economic potential of the germplasm of medicinal species is a treasure to be preserved and utilized, increasingly becoming a form of alternative therapy available for the population to use. However, the ...
Florística de ecossistemas aquáticos temporários na região de Pelotas, Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2013-08-28)
Intermittent aquatic ecosystems have biological and economic importance and the most important function of their vegetation is to offer shelter and food to a vast animal diversity. This work aims at carring out the floristic ...
Propagação, metabolismo secundário e genotoxicidade de Solidago chilensis Meyen (Asteraceae)
(Universidade Federal de Santa Maria, 2013-05-24)
Native medicinal plants are widely used, but are insufficient scientific information on the spread of some species and cytotoxicity. This study investigated the sexual propagation and vegetative species Solidago chilensis ...