Hybrid sunflower PR64A58 is characterized by high yield and adaptability to various soil-climatic conditions. According to state trials, the average yield amounted to 29.9 centners/ha, which is 8.5 centners/ha higher than national standards for the Forest Steppe. The maximum yield reached 50.6 centners/ha. The vegetation period of the hybrid ranges from 117 to 122 days, with approximately 76 days until flowering. Plants reach a height of 160 cm in the Steppe and 165 cm in the Forest Steppe, indicating good growth and development in the early stages of organogenesis. PR64A58 features a strong stem and robust root system, ensuring resistance to adverse conditions and contributing to high drought tolerance. The hybrid responds well to optimal nutrient supply, enabling maximum potential to be realized during cultivation. The 1000-seed mass is 59 grams, indicating seed size and quality. Oil content in the seeds reaches 48.8%, and the total oil yield per hectare amounts to 1241 kg. These characteristics make PR64A58 a profitable choice for producing high-quality sunflower oil. Due to its combination of high productivity, drought resistance, and good plasticity, this hybrid is suitable for cultivation in various regions with different climatic conditions.
