| genetic progress in sunflower crop in rio grande do sul state, brazil. | the sunflower has adaptability to growing regions with different climatic and soil characteristics, showing drought tolerance and high-quality oil production. the state of rio grande do sul is the third largest sunflower producer in brazil, with research related to the sunflower breeding initiated after the decade of 1950. the aim of this study was to evaluate the genetic progress for grain yield, oil content, and oil yield of sunflower (helianthus annuus l.) in the state of rio grande do sul. d ... | 2017 | 28407182 |