Sunflower MAS 900SU is a mid-season hybrid with a vegetation period of 105-115 days, developed by French selection and produced by companies in France, Spain, and Ukraine. This hybrid belongs to the linoleic and high-oleic sunflower types, ensuring high-quality oil with content ranging from 50 to 54%. Plants are characterized by high stature, slightly convex and leaning head shape, and a 1000-seed weight of 60-65 grams. MAS 900SU is adapted for cultivation in various climatic zones, including Polissia, Forest Steppe, and Northern Steppe. The MAS 900SU hybrid exhibits high resistance to a wide range of diseases and stress factors, including downy mildew (races A-E), rust (A-G+), fomopsis, verticillium, head and stem sclerotinia, rust, false powdery mildew (RM9), as well as resistance to lodging and drought. Cultivation technology includes use of Express, Clearfield Plus, and Granstar (tribenuron-methyl) systems, ensuring effective seed protection and stable high yields. Seeds are treated with Maxim 025FS, biostimulants, and Poncho to enhance germination and plant health. MAS 900SU is distinguished by high yield potential of 5 tons per hectare and more, making it one of the leaders in the Express technology hybrid segment. Recommended sowing rate varies depending on soil moisture: 50-55 thousand seeds per hectare under insufficient moisture, and 60-65 thousand under adequate moisture. The package contains 150,000 seeds, sufficient for sowing on an area of 2.2-2.5 hectares. The hybrid is supplied with complete certification documents, and payment is made only after receipt and full inspection of the product.