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Dinâmica populacional e ação de trichoderma no controle de fusariose em mudas de tomateiro e pepineiro
(Universidade Federal de Santa Maria, 2006-01-13)
Trichoderma spp. is at the present time, one of the fungi most studied as biocontrol agent, being antagonistic to several pathogens in different crops, besides promoting vegetable growth. The pathogen Fusarium oxysporum ...
Cultura de tecidos e produção de β-ecdisona em Pfaffia glomerata e Pfaffia tuberosa (Amaranthaceae)
(Universidade Federal de Santa Maria, 2006-10-06)
Many biotechnological techniques have been formed by new tools to the study of medicinal plants and for the production of homogenous and productive biomass. This work aimed to examine aspects of morphogenesis and callogenesis ...
Avaliação da bioatividade de extratos de espécies vegetais, enquanto excipientes de aleloquímicos
(Universidade Federal de Santa Maria, 2005-01-11)
Periodically humanity is challenged to discovering new ways to
progress, since conventional technologies fatally lose their function at the frontier of a new age. In agriculture the new challenger is get more productivity ...
Nutrição mineral e toxidez de cádmio em ginseng brasileiro (Pfaffia glomerata (Spreng.) Pedersen)
(Universidade Federal de Santa Maria, 2007-12-28)
Pfaffia glomerata (Spreng) Pedersen, also known as Brazilian ginseng, has been used in popular medicine due to its important medicinal qualities. This study aims to characterize the nutrient needs of P. glomerata, (Chapter ...
Resistência genética do feijão (Phaseolus vulgaris L.) ao Colletotrichum lindemuthianum
(Universidade Federal de Santa Maria, 2004-07-30)
One hundred and twenty eight genotypes of common bean
(Phaseolus vulgaris L.) divided into local varieties, cultivars and lines both from meso-america and andean gene pool, were evaluated in 2003 and 2004. Several experiments ...
Relação entre estatísticas do planejamento experimental e tamanho de parcela para pimentão em estufa plástica
(Universidade Federal de Santa Maria, 2008-11-28)
The interior of a plastic greenhouse whose plants had been cultivated on soil
can be considered a heterogeneous environment due high variability in the
production, being necessary the use of experimental techniques for ...
Queimadas acidentais em campo em Santa Maria - RS
(Universidade Federal de Santa Maria, 2007-06-15)
The predominant campestral vegetation in the state of Rio Grande do Sul, as well as all types of vegetal formations, may be considered as a dynamic system subject to several disturbance agents. Fire is frequently mentioned ...
Respiração de frutos e permeabilidade de filmes poliméricos
(Universidade Federal de Santa Maria, 2006-02-03)
The objective of this work was to evaluate the respiration and respiratory quotient of
fruits of several species with respect to cultivars, ripening stage, temperature and atmosphere
conditions during storage, to obtain ...
Bioatividade de extratos vegetais sobre Diabrotica speciosa (Germar, 1824) (Coleoptera, Chrysomelidae)
(Universidade Federal de Santa Maria, 2006-02-21)
In this research, the of Meliaceae species for use as alternative control to Diabrotica speciosa was evaluated. The bioassays were carried out under laboratory condictions to determine: the feeding behavior of this insect ...
Crescimento de calêndula e produção de flavonóides em diferentes épocas de semeadura e suprimento hídrico
(Universidade Federal de Santa Maria, 2007-12-07)
The cultivation of medicinal plants, like marigold, is increasing in Brazil and is an alternative for cultivation in small areas. For this reason it is important to know about its bioclimatic requirements and its phenometric ...