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

Ravelin

Sunflower Helianthus annuus L.
A linoleic hybrid used for oil. Resistant to sulfonylurea herbicides (15+15 g/ha)

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

Registration year - 2018. Recommended zones of cultivation: Forest-Steppe of Ukraine.

Mid-early. The growing period is 111-115 days.

The plant height is up to 210 cm. The calathidium is dome-shaped, with a diameter of 19-20 cm. The hybrid is highly resistant to lodging and shedding.

It is drought resistant. Tolerance to head rot.

The husk content is 27.0%. The 1000-seed weight amounts to 58.0 g. The oil content in seeds is 48.91%.

The yield potential is 4.7 t/ha. The yield in the demonstration field of the Plant Production Institute named after V.Ya. Yuriev is 3.8 t/ha.

The recommended pre-harvest plant density is 55,000-60,000 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 first pair of true leaves in the male line.

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

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