Eficiência da produção de sementes de soja em cinco empresas no Paraguai

Abstract

The search for efficiency in production and marketing is what keeps a company in the competitive seed market. In this sense the objective of this study was to evaluate the quality and seed multiplication rate among seed licensees from TMG plant breeding company. Data were collected from crops years 2010/2011, 2011/2012, 2012/2013, about seed quality and seed production efficiency of five seed producers in Paraguay. In this sense, it was observed that there is a marked difference among the licensees, in which some dismiss large amounts of seeds that have not reached the minimum for marketing, while others get high quality seeds where the minimum is much higher than stipulated by marketing standards. Regarding the seed vigor, it was possible to detect a difference between the licensees, including greater magnitude than in germination. There was a licensee where almost all seed lots were below 80%, while in another the seed vigor remained largely the same values of germination. It was detected a difference of over 100% in the seed multiplication rate among the licensees, indicating that some seed companies buy register seed and produce little certified seed, frustrating the expected return of the breeder.