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Escolha de genitores e desempenho agronômico de híbridos de milho
(Universidade Federal de Santa Maria, 2012-02-29)
Corn crop is essential for Brazilian agriculture, due to economic and social importance for the country. Grain yield has been increasing gradually over the years, in part due to genetic gain from selection. The objectives ...
Progresso de phakopsora pachyrhizi em função do estádio fenológico e da idade de trifólios em soja
(Universidade Federal de Santa Maria, 2012-02-29)
Fungicide use with different mechanisms of action as well the pulverization moment
are the factors to be considered on the asian soybean rust control. Since many
products have shown lost of efficiency, emerges the need of ...
Fatores da produção de milho em função da adubação orgânica e de Trichoderma spp.
(Universidade Federal de Santa Maria, 2012-02-23)
The expansion of area under maize (Zea mays L.), and the use of no-till without a proper crop rotation have
increased the incidence of stalk rot on this crop, due to the survival of this disease-causing pathogens (Fusarium
spp., ...
Milho bt e inseticidas no manejo de lepidópteros-praga
(Universidade Federal de Santa Maria, 2010-02-01)
The objectives of this study were to evaluate the effects of Bt toxin and seeds treatment with insecticides (imidacloprid + thiodicarb) on initial growth of corn and the control of Spodoptera frugiperda (J. E. Smith) in ...
Transporte de agrotóxicos e uso de água em diferentes manejos de irrigação de arroz
(Universidade Federal de Santa Maria, 2010-02-26)
The flooded rice production system is a heavily user of chemicals and water for irrigation. Due to flooding water can runoff from the fields or been lost throughout
percolation. Along with this water, pesticides can be ...
Aplicação de produtos da fermentação e ultrabaixo oxigênio para a conservação de maçãs royal gala
(Universidade Federal de Santa Maria, 2010-02-12)
The aim of this work was to evaluate the effect of post harvest ethanol or acetaldehyde application and to compare them with consolidated storage techniques on the quality
maintenance of Royal Gala‟ apples. Also, we aimed ...
Influência de cultivares e densidades de plantas sobre a eficácia da proteção química no patossistema soja-phakopsora pachyrrizi
(Universidade Federal de Santa Maria, 2010-02-26)
Aiming to evaluate the response of ten soybean cultivars subjected to three arrangements of plants and eight fungicide programs in terms of expression and the development of Asian rust, penetration of light on the canopy, ...
Qualidade de sementes de canola classificadas por densidade em diferentes condições de déficit hídrico e de profundidade de semeadura
(Universidade Federal de Santa Maria, 2010-02-26)
The aim of this study was to evaluate the effect of different density classes of canola seeds over the physiologic quality, as well as the effects on different depth of sowing and in conditions of water deficit. Also, the ...
Fitorremediação de solo de várzea contaminado com os herbicidas do imazetapir e imazapique
(Universidade Federal de Santa Maria, 2011-02-25)
Adverse effects of the use of herbicides, such as toxicity to non-target species and production of persistent residues in soil and in surface water, have drawn
attention and stimulated research to better understand the ...
Frequência e época de aplicação de fungicidas e seus efeitos em híbridos de milho (Zea mays L.)
(Universidade Federal de Santa Maria, 2011-02-28)
Among the major diseases with potential for reducing the final yield of maize (Zea mays) are common rust (Puccinia sorghi), and Spot Blotch (Exserohilum turcicum). Seed
companies offer hybrids with levels of disease ...