Single Cross Maize Hybrid with Lodging Tolerance and Flint-like for Grain, 'Daanok'
Korean Journal of Breeding Science
Daanok', a new maize F 1 hybrid (Zea mays L.), is developed by the maize breeding team at the National Institute of Crop Science (NICS), RDA in 2013. The high-yielding hybrid, named 'Daanok' was bred by crossing between two inbred lines, 'KS174' and 'KS175'. It is a yellow semi-flint maize hybrid (Zea mays L.). After preliminary yield trial and advanced yield trial of Daanok in Suwon for two years, regional yield trial of that was subsequently carried out for evaluation of its growth and yield
... t three different locations from 2011 to 2013. The silking date of Daanok is earlier than that of the check hybrid, 'Jangdaok'. The plant height of Daanok is 229cm, similar to Jangdaok, and its ear height ratio is similar with that of Jangdaok. It has resistance to lodging. There are much of the No. of ear per 100 plants. The ear length of Daanok is similar with that of Jangdaok. The weight of 100 seeds of Daanok is the same with that of Jangdaok. It has strong resistance to northern leaf blight (Exserohilum turcicum) and southern leaf blight (Bipolaris maydis). It has strong resistance to ear lot. It has moderate resistance to corn borer. The grain yield (7.34 ton/ha) of Daanok was 23% higher than that of Jangdaok. The seed production of Daanok has gone well due to a good synchronization of flowering period during crossing between the seed parent, KS174, and the pollen parent, KS175, in Yeongwol and F 1 seed yield was 2.38 ton/ha. Daanok would be a suitable cultivar to all plain area in Korea.