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

Darunok

Corn Zea mays L.
A simple high-yielding hybrid. Rapid initial growth. Resistance to stressors

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

Included in the Register of Ukraine - 2017.

Recommended zones of cultivation: Steppe and Forest-Steppe.

Variety - ssp. indentata.

The plant height is 290-300 cm. The cob attachment height is 95-100 cm. The leaf number per plant is 16-18. The cob length is 24-25 cm. The number of grain rows is 16-18. The grain output is 87%. The cob rhachis is red. The 1000-seed weight is 290-300 g.

Ripeness group – mid-ripening FAO 310. The "seedlings-full maturity" period is 112-114 days. The initial growth is rapid. Cold tolerance is high. Drought resistance is high. Resistance to loose smut is high. Resistance to boil smut is high. Resistance to stem rot is high. Resistance to corn borer is high.

The potential grain yield is 12.0-12.5 t/ha. The recommended harvest density: 55,000-60,000 plants/ha in the Steppe and 60,000-65,000 plants/ha in the Forest-Steppe. The harvest water content is 20-22%. The potential yield of silage is 58.0-60.0 t/ha. The dry matter content in green mass is 32-33%.The protein content in grain is 8.8%. The starch content is 76%.

Seed production peculiarities. The seed production of this hybrid is based on M-type sterility according to the complete restoration algorithm, without removing panicles. The optimal sowing arrangement for parents in hybridization plots is 12:4 or 6:2. Hybridization plots require intensive farming, weed control and nutrition.

When grown by intensive farming techniques, the seed yield amounts to 3.0-3.5 t/ha.

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