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Resumo Durante o armazenamento as sementes ou graos podem sofrer alteracoes em sua composicao quimica, em razao do ambiente de estocagem. Diante disto, a producao de sementes de alta qualidade fisiologica dependera do somatorio de todos os atributos geneticos, fisicos, fisiologicos e sanitarios. Entretanto, pouco se sabe sobre os efeitos nas sementes por meio da operacao de colheita, secagem beneficiamento e armazenamento por longos periodos de tempo. Por isso, foi conduzido no laboratorio de sementes da Universidade de Rio Verde, este estudo com o objetivo de avaliar a qualidade fisiologica de sementes tratadas sob diferentes condicoes de armazenamentos. O delineamento experimental utilizado foi o inteiramente casualizado 2x5x7, sendo duas condicoes de armazenagem (armazem convencional e climatizado), cinco tratamentos de sementes e sete epocas de avaliacao, com quatro repeticoes. Aos 0, 20, 40, 60, 80, 100, 120 dias apos a imposicao dos tratamentos foram avaliadas germinacao, indice de velocidade de emergencia, envelhecimento acelerado e comprimento de raiz. Os tratamentos quimicos aplicados nas sementes de soja (cultivar M 7739 IPRO) reduziram o vigor das sementes. Palavras-Chave: Glycine max, germinacao, vigor. Abstract During storage as seeds or grains may suffer in their chemical composition, because of the storage environment. In view of this, a production of high quality physiological seeds will depend on the sum of all genetic, physical, physiological and sanitary attributes. However, little is known about the effects of seeds by harvesting, drying, processing and storage for long periods of time. Therefore, it was conducted in the seed laboratory of the University of Rio Verde, in order to evaluate a physiological quality of seeds treated under different storage conditions. The experimental design was used for the completely randomized 2x5x7, two storage conditions (conventional and air conditioned warehouse), five seed treatments and seven evaluation periods, with four replications. At 0, 20, 40, 60, 80, 100, 120 days after an imposition of treatments for evaluated germination, emergence speed index, accelerated aging and root length. The chemical treatments applied in soybean seeds (cultivar M 7739 IPRO) reduced seed vigor. Keywords: Glycine max, germination, vigor.

Qualidade fisiológica de sementes de soja tratadas e armazenadas - Physiological quality of treated and stored soybean seeds.