Buscar
Itens para a visualização no momento 1-9 of 9
Controle do crescimento e desenvolvimento da batata semente através da condutividade elétrica da solução nutritiva
(Universidade Federal de Santa Maria, 2007-03-02)
Potato average production in Brazil is well above the world s one, but in Rio Grande do Sul the opposite is true, as this state holds one of the country s smallest mean production. This fact is mainly due to the use of low ...
Manejo do nitrogênio na cultura do melão
(Universidade Federal de Santa Maria, 2007-01-11)
The goal of this work was to determine the N requirements of the muskmelon crop and adjusting a method for diagnosis of the plant nutritional status, for estimations of fertilization rates to be used during growth and ...
Caracterização populacional e molecular, e seleção de Trichoderma spp. para biocontrole de Fusarium sp. em crisãntemo
(Universidade Federal de Santa Maria, 2007-02-28)
Trichoderma spp. is one of the most researched fungi as biocontrole agent of diseases, being antagonistic to several phytopathogens in different crops. The soilborne pathogen Fusarium oxysporum causes wilt in several crops, ...
Desenvolvimento de clones de batata de alta qualidade de tubérculo a partir de genitores resistentes a requeima
(Universidade Federal de Santa Maria, 2007-03-19)
Potato (Solanum tuberosum L.) is the most important horticultural crop of the world. Late blight (Phytophthora infestans (Mont.) de Bary) is the most important and devastating disease. There is no cultivar with sufficient ...
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 ...
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 ...
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 ...
Produtividade, teor e composição do óleo essencial de espécies de Mentha L. (Lamiaceae) cultivadas em hidroponia com variação de potássio
(Universidade Federal de Santa Maria, 2007-02-23)
Hydropony is a promising cultivation technique to increase phytomass production and essential oil in mints. Thus, this study was carried out with Mentha arvensis L. fo. piperascens Holmes, Mentha x gracilis Sole and Mentha ...
Bioatividade de extratos vegetais no controle de Sitophilus oryzae (Linné, 1763) em arroz
(Universidade Federal de Santa Maria, 2007-09-19)
The continuous growth of the world population, intensive competition among humans and plant pests for the same food sources, the resistence to existing inseticides by some insects and the persistence of residues in the ...