Jason sunflower, sunflower seeds Jason

Originator — Institute of plant im. V. Y. Yuryev of NAAS. Entered in the Register of plant varieties of Ukraine since 2007 for cultivation in the Steppe and forest-steppe of Ukraine in the Register of breeding achievements of the Russian Federation in 2010 for the 5th region, and since 2013 — in Uzbekistan.
          Approbation characteristics: plant height — 175 cm; basket flattened shape with a diameter of 24 cm; lesistost — 21%; panzerotti is 99.7%; mass of 1,000 seeds up to 62 g; oil content in seeds to 50.1%.
          Biological features: ripeness group — middle-early, growing season — 108 days. Lodging resistance is high. Resistance to shattering is high. Resistance to downy mildew is high. Broomrape resistance is high. Sufficiently drought-resistant and root rot resistant.

          Economic features: the most common in the production of high-yielding three-line hybrid Jason, has a yield potential of more than 4.2 t/ha.
          Peculiarities of cultivation technology: recommended density of 50 thousand plants/ha. soil Preparation for sowing common. Under cultivation, or better together with crop to provide a fertilizer N30P30K30. Crops carried out at the optimum time in desiccation do not need.
          Peculiarities of seed industry: in hybridization areas the parent form are sown in one term. Seed crops do not need desiccation. Harvesting when seed moisture of 10-12%, needle NGOs carry out a primary cleaning and drying to 7%. The yield of the female parent is more than 2.8 t/ha. Yield. tion of seeds of 60%.