PRO 121 SU is a mid-season sunflower hybrid (Helianthus annuus L.) intended for cultivation in various regions of Russia, including the Central Black Earth, North Caucasus, Middle Volga, Lower Volga, Ural, and Western Siberia. The hybrid's vegetative period is about 116-120 days, which allows for a stable harvest in the central belt and southern regions. Plants have medium height at maturity, green leaf color, and yellow ray florets. Seeds are characterized by a medium 1000-seed weight of 50.3 to 55.2 grams, weakly expressed marginal and inter-marginal stripes, as well as weak leaf blistering. The hybrid is distinguished by high oil content in seeds - averaging 51.9%, which ensures an oil yield of up to 14.6 centners per hectare. Yield varies depending on the region and growing conditions, reaching a maximum of 51.1 c/ha and an average of about 24.6-34.9 c/ha. PRO 121 SU has moderate resistance to white mold, is tolerant to Phoma, and is resistant to a complex of rust races (A-E), as well as to downy mildew (race 330), making it a reliable choice for agronomists using modern cultivation technologies, including the SUMO/ExpressSan technology. Sunflower seeds PRO 121 SU are widely used in agriculture for oil production, food products, and biofuel. High oleic acid and other beneficial substances content in seeds improves the quality of the final product. Thanks to its agronomic characteristics and adaptability to various climatic conditions, this hybrid is an effective solution for farmers seeking high yield and product quality.
