Tratamento químico e qualidade de semente de soja no armazenamento em condições não controladas

Abstract

It would be a useful step forward in the logistics of seed companies focus early seed treatment process, however, it is necessary to know the influence of the products used on the physiological seed quality during the period in which they are stored. The objective was to evaluate the quality of soybean seeds treated with different active ingredients and stored in uncontrolled conditions. soybeans were used in M6972IPRO and M7739IPRO cultivars and four treatments (control; cropstar and derosal plus; standak top; avicta Complete) to five periods of storage (0, 15, 30, 45 and 60 days after treatment of the seeds). To evaluate the quality of seeds after each storage period were performed the first count of germination, germination, accelerated aging and emergency field. Thus, it is concluded that in general the germination results were above 80%, proving that it is possible to seed treatments 60 days before sowing. The combination of active ingredients of products Standak top and complete avicta preserve a strength equal to or higher than 90% during the sixty days of storage for cultivating M6972IPRO. To cultivate M7739IPRO full avicta product was the least helped in maintaining the quality of soybean seeds stored for sixty days at room temperature without control and relative humidity. Storing seeds in conditions not acclimatized also influences to maintain the quality and vigor in storage.