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Genotoxicidade, atividade proliferativa e análise fitoquímica dos extratos aquosos e do óleo de Origanum majorana L.
(Universidade Federal de Santa Maria, 2017-03-03)
Medicinal plants are culturally used by the Brazilian population in curing and treating diseases and the fact that Brazil is rich in biodiversity favors this practice. Among the medicinal plants used are the marjoram ...
Aspectos morfológicos e ecológicos da ginodioicia em Dasyphyllum brasiliense (spreng.) Cabrera (Barnadesioideae, Asteraceae)
(Universidade Federal de Santa Maria, 2017)
Dasyphyllum brasiliense has two sexual systems: monoecious and gynodioecious, being the studied population characterized as gynodioecy, constituted by complete and pistilated individuals. The evolution of this system depends ...
Fotoperíodo crítico e filocrono para produção de diferentes cultivares de crisântemo de corte
(Universidade Federal de Santa Maria, 2017-03-06)
Cutting chrysanthemum (Dendranthema grandiflora Tzvelev) is a photoperiod sensitive crop that requires artificial lighting during winter cultivation, around four weeks, leaving the plants in a long day condition to carry ...
Micorrização em gramíneas de pastagem natural sob pastoreio rotativo
(Universidade Federal de Santa Maria, 2017-09-11)
Sourthern Brazil natural grasslands present great diversity of vegetal species, being very important for the cattle rearing and conservation of the natural resources. This diversity is related to the diversity of soil ...
Trichoderma e silicato de potássio no desenvolvimento e na redução da ferrugem da folha no trigo
(Universidade Federal de Santa Maria, 2017-08-04)
Leaf rust, causative agent Puccinia triticina, is one of the main diseases of wheat culture, and it may cause losses of up to 63% of whole grains yield. Some control alternatives have been studied in order to control this ...
Interações entre ferro e zinco em acessos de Pfaffia glomerata (spreng.) pedersen: parâmetros morfológicos, bioquímicos e fisiológicos
(Universidade Federal de Santa Maria, 2017-02-10)
Despite the natural occurrence of heavy metals in low concentrations in the soil, the increase in these concentrations caused mainly by anthropogenic activities such as the use of fertilizers and pesticides in agriculture, ...
Bioatividade do solo sob plantio direto com sucessão e rotação de culturas
(Universidade Federal de Santa Maria, 2017-03-06)
The adoption of conservation practices can affect the physical, chemical and biological
properties of the soil, resulting changes in the composition and activity of the microbial
community. The aims of this research was ...
Caracterização da morfologia floral e da embriologia de espécies de Dyckia Schult. F. (pitcairnioideae - bromeliaceae)
(Universidade Federal de Santa Maria, 2017-03-02)
Bromeliaceae is a Neotropical family that presents enormous richness and adaptability in diverse
environments; currently has about 3539 species grouped in eight subfamilies, among them Pitcairnioideae, which
includes the ...
Excesso de estrôncio na fisiologia de Pfaffia glomerata (Spreng.) Pedersen
(Universidade Federal de Santa Maria, 2017-09-11)
Pfaffia glomerata (Spreng.) Pedersen has been widely used to characterize the physiological and biochemical responses to the excess of various heavy metals, and also for the use in phytoremediation of areas contaminated ...
Morfologia, fisiologia e controle químico do capim pé-de-galinha em diferentes regimes hídricos
(Universidade Federal de Santa Maria, 2017-03-03)
The species Eleusine indica (L.) Gaertn. (goosegrass) in the state of Rio Grande do Sul has a prominent presence as a weed in typical areas of upland crops. However, in recent years it has been reported in lowland areas, ...