A B S T R A C TThis study aimed to evaluate the quality of soybean seeds with high level of mechanical damages from different processing stages and stored with and without fungicide treatment. Collections of seed samples were performed during the processing at the following points: hopper, pre-cleaning, dryer, cleaning, spiral, sieve-classifier and the gravity table. The experimental design was completely randomized in a 9 x 2 factorial scheme, with 9 collection points and two seed treatments, in four replicates. The seeds were then evaluated immediately after processing and after six months of storage. The processing progressively improved the attributes of soybean seed quality throughout the different stages in which the gravity table plays an important role in the improvement of the physiological and sanitary quality of the lot, favoring the storage potential and vigor of the seeds. The treatment of the seeds with fungicides is effective in controlling fungi before and after storage. The storage of soybean seeds with high level of mechanical damage markedly increases their deterioration.Qualidade de sementes de soja com alto índice de danos mecânicos após beneficiamento e armazenamento R E S U M O Objetivou-se, neste trabalho, avaliar a qualidade de sementes de soja com elevado índice de danos mecânicos, provenientes de diferentes etapas do beneficiamento e armazenadas com e sem tratamento com fungicida. Foram efetuadas, ao longo do beneficiamento, coletas de amostras de sementes, nos seguintes pontos: moega, prélimpeza, secador, limpeza, espiral, classificador-peneira e densimétrica. O delineamento experimental adotado foi inteiramente casualizado, em esquema fatorial 9 x 2, sendo 9 pontos de coleta e dois tratamentos de sementes, em quatro repetições. As sementes foram avaliadas logo após o beneficiamento e aos seis meses de armazenamento. O beneficiamento melhora os atributos da qualidade de sementes de soja ao longo das diferentes etapas em que a máquina densimétrica desempenha papel importante no aprimoramento da qualidade fisiológica e sanitária do lote favorecendo o vigor das sementes. O tratamento das sementes com fungicidas carbendazim + thiram é eficiente no controle dos fungos de Cladosporium sp., Fusarium sp., Penicillium sp. e Aspergilus sp. antes e depois do armazenamento. O armazenamento de sementes de soja, com elevado índice de danos mecânicos, aumenta acentuadamente sua deterioração.
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