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Ácido salicílico em sementes de soja e desempenho de plântulas sob estresse hídrico
(Universidade Federal de Santa Maria, 2019-08-06)
Among the challenges faced in soybean production, stress due to water deficit is considered one of the main productivity compromise, being associated with the production of free radicals that cause different damage at the ...
Índices de estabilidade genotípica e seleção simultânea multivariada: uma nova abordagem
(Universidade Federal de Santa Maria, 2019-12-19)
In order to better understand and explore the genotype-environment interaction (GEI) in plant
breeding, the development of new methods for adaptability and stability analysis, as well as the
improvement of existing ones, ...
Caracterização, quantificação e modelagem de danos provocados pela geada no período reprodutivo da canola
(Universidade Federal de Santa Maria, 2019-02-22)
The objective of this work was to quantify the damage caused by frosts in the reproductive
period of canola and to develop models for their estimation. In 2016 and 2017 two
experiments were carried out ...
Risco de ocorrência de excesso e déficit hídrico na soja em terras baixas
(Universidade Federal de Santa Maria, 2019-02-21)
The objective of this study was to determine the duration of the soybean development cycle as
a function of the sowing date and to obtain the probability of water excess and deficit in
Planosols of the Vacacaí and Piratini ...
Tratamento químico, uso de aditivos, Azospirillum brasilense e pH do solo na cultura do trigo
(Universidade Federal de Santa Maria, 2019-03-08)
The response to inoculation of wheat seeds with Azospirillum brasilense is variable and depends on factors related to the inoculation and the growing environment. The objective of this research was to evaluate the effect ...
Emissão de gases de efeito estufa, características produtivas e morfológicas de cultivares de arroz sob manejos de irrigação
(Universidade Federal de Santa Maria, 2019-03-01)
The cultivation of irrigated rice is an important source of greenhouse gases emission. Among the main
greenhouse gases are the area of rice are methane (CH4) and nitrous oxide (N2O), which vary depending
on crop management ...
Fatores abióticos na germinação de sementes, fluxo de emergência de Echium plantagineum L. em diferentes sistemas de manejo
(Universidade Federal de Santa Maria, 2019-12-10)
Echium plantagineum, popularly known as the purple flower, is considered an annual weed, which infests crops and pastures in the fall, winter and spring periods. Considered an aggressive species of rapid growth, has high ...
Predição de epidemias causadas por Phakopsora pachyrhizi em soja
(Universidade Federal de Santa Maria, 2019-02-18)
The main strategy to control Asian rust (Phakopsora pachyrhizi) is the chemical control along with the use of disease risk prediction models which would help in the decision making. The studies aimed to validate a scoring ...
Dormência de sementes e manejo de Solanum americanum Mill.
(Universidade Federal de Santa Maria, 2019-08-16)
Blackbird (Solanum americanum Mill.) is a weed species in the Solanaceae family. It has wide
distribution in the Brazilian territory, competing with the main crops of economic interest, both
winter and summer. Knowledge ...
Desempenho agronômico e modelos de crescimento para cultivares de alface
(Universidade Federal de Santa Maria, 2019-02-22)
The objective of this study were to evaluate the agronomic performance of nine lettuce cultivars (Gloriosa, Pira Verde, Stella, Ceres, Grandes Lagos, Rubinela, Crocantela, Elisa and Vera), on the effect of the shade netting ...