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Título: Composition and volumes of slurry in soybean seeds treatment in the industry and physiological quality during storage
Título(s) alternativo(s): Constituições e volumes de calda no tratamento industrial de sementes de soja e a qualidade fisiológica durante o armazenamento
Palavras-chave: Tratamento de sementes
Sementes - Armazenamento
Sementes - Qualidade fisiológica
Seed treatment
Seeds - Storage
Seeds - Physiological quality
Data do documento: Jan-2018
Editor: Associação Brasileira de Tecnologia de Sementes
Citação: SANTOS, S. F. dos et al. Composition and volumes of slurry in soybean seeds treatment in the industry and physiological quality during storage. Journal of Seed Science, Londrina, v. 40, n. 1, p. 67-74, 2018.
Resumo: Seeds treatment is a relevant factor in the soybean production system. The aim of this work was to evaluate composition and volumes of slurry used in industrial treatment of soybean seeds, and their physiological quality during storage. The experimental design was completely randomized, in a 20x4 factorial scheme, i.e. 20 seeds treatments and four storage periods (0, 30, 90 and 150 days). Seeds of the cultivars NS7667IPRO and NS7709IPRO were used. The slurry composition tested were a combination of fungicide and insecticide Standak top® (Fipronil + Piraclostrobin + Thiophanate Methyl), polymer L551Incotec® and water, in order to obtain the volumes of 450, 700 and 1200 mL.100 kg of seeds-1, and the controls treatment. The physiological quality was assessed by germination in sand and accelerated aging tests. Genotypes showed distinct tolerance to seed treatment industrial , slurry volumes and storage. Treatments with Standak top®, polymer and water, with volumes of up to 1200 mL.100 kg seed-1, and stored for 150 days in cold chamber were not harmful for germination of cultivar NS7667IPRO. As for cultivar NS7709IPRO, the tolerance was 90 days. Treating seeds with large slurry volumes is detrimental to maintain seeds vigor during storage, with depreciation after 30 days, especially with water predominance.
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