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População, danos e parasitoides larvais de spodoptera frugiperda (j. e smith) (lepidoptera: noctuidae) em milho bt e não-bt
(Universidade Federal de Santa Maria, 2012-02-16)
The occurrence of Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), the
Fall armyworm, has led to increased adoption of Bt maize genotypes in Brazil. However, the
field impacts on parasitoids of using these ...
Crescimento, desenvolvimento e produtividade de clones avançados de batata em cultivo de primavera e de outono em ambiente subtropical
(Universidade Federal de Santa Maria, 2011-12-16)
The objectives of this dissertation were to determine the phyllochron, the final leaf
number on the main stem and the duration of developmental stages to characterize leaf growth
during the developmental cycle and to ...
Época de semeadura de arroz irrigado: rendimento de grãos, controle de arroz-vermelho, eficiência no uso da água e estresse oxidativo
(Universidade Federal de Santa Maria, 2013-02-26)
Irrigated rice is highly influenced by weather, as it is by air temperature and solar radiation.
Thus, the study aimed to evaluate the effect of sowing dates on grain yield and in water use,
as well as in red rice, main ...
Estratégias de controle e artropodofauna de buva(conyza bonariensis) associada em lavoura de soja e em pastagem de inverno
(Universidade Federal de Santa Maria, 2012-02-29)
This work aimed to evaluate control strategies of hairy fleabane (Conyza
bonariensis) and also study the arthropods associated with this weed. For this, the
work was divided into three chapters. The Chapter I aimed to ...
Simulação da produtividade de mandioca para o estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2013-02-22)
Cassava plays an important role for food security in the tropics, where it is the third main food
source. In Rio Grande do Sul State, Brazil, cassava is a subsistence crop for small farms, who use
cassava for human and ...
Avaliação da qualidade fisiológica e sanitária de sementes de abóbora variedade menina brasileira
(Universidade Federal de Santa Maria, 2005-02-04)
Knowing the importance of to evaluate the physiological and health quality of the seeds, this present work objectived to determine the exposition period of the seeds at shortest temperature in the cold test and the temperature ...
Temperatura base, crescimento, desenvolvimento de crambe (Crambe abyssinica Hochst ex R.E. Fries)
(Universidade Federal de Santa Maria, 2012-02-28)
The crambe is an oilseed that belongs to the Brassicaceae family, is considered a
winter crop, with good tolerance to frost. In the state of Rio Grande do Sul, missing
information on the growth, development and adaptation ...
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., ...