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Relações entre variáveis de: sementes, plântulas, plantas, produção e óleo em mamoneira
(Universidade Federal de Santa Maria, 2009-02-20)
Castor bean is an oil and biodiesel source. Besides, it has a high seed yield potential in the State of
Rio Grande do Sul. The objective of this work was to establish the relationship among the variables:
seeds, seedlings, ...
Micropropagação e miniestaquia na propagação de batata
(Universidade Federal de Santa Maria, 2009-03-06)
Micro-propagation is a common technique to produce disease free potato materials. Mini-cuttings of just acclimatized plantlets or older plants associated with micro-propagation may reduce production costs of potato ...
Produtividade e qualidade de frutas de clones de morangueiro em sistema fechado de cultivo sem solo
(Universidade Federal de Santa Maria, 2023-02-10)
Strawberry is one of the most appreciated fruits by the world population, due to its flavor, color
and aroma. In Brazil, the crop has been expanding, in area and production, and plays an
important socioeconomic role, ...
Manejo biológico e químico no controle de percevejo-marrom da soja
(Universidade Federal de Santa Maria, 2023-02-10)
The brown stink bug Euschistus heros (F.) is currently the most important species of
hemiptera that occurs in soybeans, presenting control difficulties by chemical
insecticides, compared to the other stink bugs. The ...
Sistemas de previsão de ocorrência de requeima em clones de batata suscetíveis e resistentes
(Universidade Federal de Santa Maria, 2008-02-21)
The occurrence of late blight (Phytophthora infestans (Mont) de Bary) in potato crops is responsible for a large amount of fungicides every season. The use of systems for forecasting and late blight resistant cultivars are ...
Efeitos fisiológicos do mercúrio em plantas de Pfaffia glomerata (Spreng.) Pedersen
(Universidade Federal de Santa Maria, 2009-02-26)
Mercury (Hg) is a highly toxic non-essential heavy metal. Soil, water and air contamination by Hg leads to its accumulation in fish, birds and mammals, thus entering human food. Due to the hazardous effects to the ecosystem, ...
Eficiência de absorção e utilização de fósforo em batata cultivada in vitro
(Universidade Federal de Santa Maria, 2009-02-26)
Phosphorus (P) restriction to plants is one of major limiting factors for crop productivity. Alternatively to application of P-containing fertilizer, this obstacle to the vegetal production can be surmounted by developing ...
O plano experimental e a variação da heterogeneidade da área experimental na cultura do milho.
(Universidade Federal de Santa Maria, 2008-01-28)
Public and private companies are working on genetic improvement of maize in Brazil. This generates new cultivars to be recommended to rural workers yearly. In the state
of Rio Grande do Sul, southern Brazil, before being ...
Equações de estimativa do crescimento do sistema radicular e produção de fitomassa de alface hidropônica
(Universidade Federal de Santa Maria, 2008-02-21)
Modelling is a technique that can be used to understand interactions between plant and environment, such as hydroponic growth dynamics. The study objective was to adjust models to estimate hydroponic lettuce growth, with ...
Liberação de Trichogramma pretiosum (Hym.: Trichogrammatidae) e avaliação de Trichogrammatidae em posturas de Spodoptera frugiperda (Lep.: Noctuidae) na cultura do milho
(Universidade Federal de Santa Maria, 2009-03-30)
Fall armyworm, Spodoptera frugiperda (J.E. Smith), is considered the major pest of corn. In general, the control of larvae is achieved with insecticides application, which can cause several environmental problems. In search ...