THE PLANT PRODUCTION INSTITUTE named after V.YA. YURIEV
National Academy of Agrarian Sciences of Ukraine

Intehral

Sunflower Helianthus annuus L.
A linoleic hybrid used for oil. Easily producible, high-yielding, resistant to virulent races of downy mildew

Originator - Plant Production Institute named after V.Ya. Yuriev of NAAS.

Registration year - 2015. Recommended zones of cultivation: Steppe and Forest-Steppe of Ukraine.

Early-ripening. The growing period is 101-105 days.

The plant height is 155-165 cm. The calathidium is dome-shaped, with a diameter of up to 23 cm. The hybrid is highly resistant to lodging and shedding.

High resistance to downy mildew, tolerance to head rot.

The husk content is 22.3%. The 1000-seed weight is up to 60 g. The oil content in seeds is 51.3%.

The yield potential is 4.8 t/ha. The yield in the demonstration field of the Plant Production Institute named after V.Ya. Yuriev is 3.74 t/ha.

The recommended pre-harvest plant density is 50,000-55,000 plants/ha.

Seed production peculiarities. The parents in hybridization plots are sown in two stages. The female line is sown after the emergence of the male line seedlings.

The female/male row ratio in hybridization plots can be 6:2; 8:4; 10:2; or 12:4.

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