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Ácido salicílico em sementes de feijoeiro: qualidade fisiológica e tolerância de plântulas ao estresse por baixa temperatura
(Universidade Federal de Santa Maria, 2018-07-19)
The common bean when sown in august and september in Rio Grande do Sul is subject to damages and losses due to the low temperature stress common in this period. Thus, the germination and emergence of the seeds are impaired ...
Emissão de gases de efeito estufa, ciclagem de nutrientes e produtvidade de arroz irrigado em função de manejos póscolheita e plantas de cobertura
(Universidade Federal de Santa Maria, 2018-05-11)
The flooded rice production goes through a period of stagnation of productivity and low
profitability in the state of Rio Grande do Sul. One of the factors contributing to this scenario
is the low fertility of lowland ...
Antecipação da colheita de trigo pela dessecação química e a influência na qualidade de sementes
(Universidade Federal de Santa Maria, 2018-08-03)
In order to reduce the time of exposure to abiotic factors after the physiological maturity of the wheat, pre-harvest desiccation may be a practice for obtaining quality seeds. The aim of this work was evaluated as a ...
Variáveis meteorológicas relacionadas ao início da epidemia causada por Phakopsora pachyrhizi em soja
(Universidade Federal de Santa Maria, 2018-03-02)
Asian soybean rust is caused by the pathogen Phakopsora pachyrhizi that develops and spreads rapidly under ambient conditions of humidity and temperature. The literature lacks information about the relationship between ...
Parâmetros biológicos da produção de tomateiro via modelo logístico
(Universidade Federal de Santa Maria, 2018-03-09)
The multiple harvest vegetable crops are characterized by high variability between plants and crops.
This characteristic limits the use of ANOVA, since the assumptions of normality, homogeneity and
independence of residues ...
Concentrações de fósforo e nitrogênio no crescimento da alface em cultivo sem solo
(Universidade Federal de Santa Maria, 2018-04-27)
The goal of this research was to evaluate phosphorus and nitrogen concentrations on
growth and in soilless lettuce plants. Experiments were carried out inside a
polyethylene greenhouse at Plant Science Department at the ...
Efeito do manejo integrado da brusone sobre componentes quantitativos e qualitativos do arroz irrigado
(Universidade Federal de Santa Maria, 2018-03-06)
Blast is a major disease in flooded rice due to its high potential to damage the crop. Blast control requires the use of integrated practices, such as cultural management, genetic and chemical methods. The main goal of ...
Aplicação foliar de tiossulfato de amônio e metileno ureia associado a fungicida em soja e sua interferência no patossistema Glycine max - Phakopsora pachyrhizi
(Universidade Federal de Santa Maria, 2018-03-05)
Asian soybean rust (ASR), caused by Phakopsora pachyrhizi, is the main disease on soybean crop and can cause important yield reduction. The chermical control is the most suitable for a disease like ASR. However, due to the ...
Cobre em solos cultivados com hortaliças no Rio Grande do Sul e efeitos de concentrações em plantas de beterraba e repolho
(Universidade Federal de Santa Maria, 2018-07-30)
The objective of this work was to make a diagnosis of copper content in soils nowadays used for horticultural crops in different regions of Rio Grande do Sul state, to infer about its potential environmental contamination, ...
Ecofisiologia, zoneamento de risco climático e extensão rural com a cultura do gladíolo
(Universidade Federal de Santa Maria, 2018-09-06)
The main objectives of the present work were (i) determine the radiation used efficiency
(RUE) and its relationship with the air temperature and evaluate the dynamics of dry matter
partitioning for gladiolus crop. (ii) ...