250 resultados para etapas de desenvolvimento vegetal


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The use of medicinal plants is common in many Brazil's ethnic groups, because the diversity of plant species in the country is large. But the utilization of these plants as standardized herbal doesn't occur with de same frequency, due the lack of studies related to these therapies, classified as alternatives. Due to the high cost of some synthetic medicines for the treatment of chronic diseases, phytotherapy is a low-cost alternative and efficient, since the phytomedication has proven scientific studies and its production meets strict criteria for manufacturing and quality control to ensure its safety and efficacy. Among the medicinal species used for the treatment of chronic diseases, such as pain and inflammation, is Eugenia speciosa Cambess, popularly known as the bush laranjinha. Against this context, this paper held preliminary studies and developed the chromatographic profile of the hydroalcoholic extract of the leaves of E. speciosa by High Performance Liquid Chromatography coupled to photodiode array detector (CLAE-DAD). Preliminary qualitative results and the chromatographic profile have identified some metabolites classes present and some constituent as: homogentisic acid, homorientina, isovitexin and quercetrin

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Pós-graduação em Agronomia (Produção Vegetal) - FCAV

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Pós-graduação em Agronomia (Produção Vegetal) - FCAV

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Tratamentos com retardantes de crescimento vegetal foram estudados em plantas de Palma de Santa Rita (Gladiolus communis L. spp., Iridaceae) para avaliar a altura da planta, o número de folhas e botões florais, diâmetro do caule e comprimento da haste floral. O delineamento experimental utilizado foi inteiramente casualizado, com quatro repetições e sete tratamentos (testemunha; aplicações de cloreto de mepiquat na concentração de 200mg.L-1, 3 e 6 vezes; cloreto de chlormequat na concentração de 200mg.L-1, 3 e 6 vezes e ethephon na concentração de 200mg.L-1, 3 e 6 vezes). Foram realizadas sete avaliações não destrutivas a cada sete dias e uma coleta final. Os tratamentos com ethephon proporcionaram redução da altura das plantas e do comprimento.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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This monograph is part of the works developed in the Scientific Initiation aimed at updating and improving the Atlas of Brazilian Agrarian Question - AQAB. For pioneering and scope of work-matrix, the objective this first part focused on the development of issues related to agricultural production, being drawn maps with data from the Municipal Agricultural Production-PAM 2012; Municipal Livestock Research-PPM 2012; Production of Vegetable Extraction and Forestry-2012, all analyzed from bibliographic review and joint interpretation of tables and graphs. Pari passu, this topic allowed the development of studies on peasant farms, because they are correlated subjects. Peasant farmers produce large portion of the food served to the population. Its features are its mode of production in the field, the way in which the activities take place within the family, the struggle for their social reproduction and by the earth, the practice of polyculture, preservation of the environment and the genetic diversity of species. The surplus production is sold on the market to meet other family demands unmet by production on their properties. We understand that both terms; Peasant or Farmer, refer to the same subject, but with different interpretations of their way of social reproduction and market relations...

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Pós-graduação em Agronomia (Proteção de Plantas) - FCA