Sunflower N4H337 E is a high-yielding hybrid with Clearfield Plus technology, developed for producing high-quality oil. Plants of medium early maturity group with a vegetative period of 100-110 days reach a height of 190-200 cm and have slightly convex heads with a diameter of about 19 cm. Seeds feature high oil content — up to 50%, with oleic acid content reaching 90%, ensuring excellent taste and storage and processing stability.
The hybrid exhibits high resistance to major sunflower diseases, including sclerotinia, phomopsis, and phomopsis, with resistance ratings of 7-9. It also shows high resistance to lodging and shattering, and cold tolerance allows it to withstand temperatures down to -5°C. Recommended planting density is 30,000-37,000 plants per hectare, which enables yields of up to 5.3 tons per hectare under optimal conditions. The hybrid is well adapted to various soil-climate zones, including forest-steppe and steppe, and is suitable for cultivation following potato, corn, and winter wheat.
Sunflower seeds N4H337 E are supplied in packages of 150,000 seeds with thousand seed weight ranging from 49 to 69 grams. To maintain quality, storage at +7-10°C and seed moisture not exceeding 7% is recommended. Due to its characteristics and resistance, this hybrid is an excellent choice for producers aiming to achieve high yields and high-quality oil with improved technological properties.