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http://dx.doi.org/10.5333/KGFS.2013.33.2.94

Growth Characteristics and Productivity of Single Cross Maize New Hybrid for Silage and Grain, 'Yanganok'  

Son, Beom Young (National Institute of Crop Science, RDA)
Baek, Seong Bum (National Institute of Crop Science, RDA)
Kim, Jung Tae (National Institute of Crop Science, RDA)
Lee, Jin Seok (National Institute of Crop Science, RDA)
Ku, Ja Hwan (National Institute of Crop Science, RDA)
Kim, Sun Lim (National Institute of Crop Science, RDA)
Jung, Gun Ho (National Institute of Crop Science, RDA)
Kwon, Young Up (National Institute of Crop Science, RDA)
Ji, Hee Jung (National Livestock Research Institute, RDA)
Huh, Chang Suk (Gyeongbuk Agricultural Research and Extension Services)
Park, Jong Yeol (Hongcheon Maize Experiment Station, Gangwon Agricultural Research and Extension Services)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.33, no.2, 2013 , pp. 94-99 More about this Journal
Abstract
Yanganok, a new single cross variety, was developed by the maize breeding team at the National Institute of Crop Science (NICS), RDA in 2012. This hybrid, which has a high yield of grain was produced by crossing two inbred lines, KS164 and KS163. KS164 is the seed parent and KS163 is the pollen parent of Yanganok. It is a yellow-orange intermediate maize hybrid (Zea mays L.). After a preliminary yield trial and advanced yield trial of Yanganok (Suwon180) in Suwon for 2 years, a regional yield trial was carried out for its growth characteristics, and yields were determined at 4 different locations from 2009 to 2012, with the exception of 2010. It was named 'Yanganok'. The silking date of Yanganok is 2 days earlier than that of the check hybrid, Kwangpyeongok. Plant height of Yanganok is similar to Kwangpyeongok, but its ear height ratio is higher than that of Kwangpyeongok. It has resistance to lodging. Stay-green features of Yanganok are similar to those of Kwangpyeongok. The ear ratio of Yanganok is similar to Kwangpyeongok. It has moderate resistance to southern leaf blight (Bipolaris maydis) and strong resistance to northern leaf blight (Exserohilum turcicum). It has moderate resistance to black streaked dwarf virus (BSDV), ear lot and corn borer. The dry matter yield of Yanganok, 17.45 ton/ha, was similar to that of Kwangpyeongok. The total digestible nutrients (TDN) yield of Yanganok, 11.96 ton/ha, was similar to that of Kwangpyeongok. The grain yield of Yanganok, 8.32 ton/ha was similar to that of Jangdaok. Seed production of Yanganok went well due to a good match during crossing between the seed parent, KS164, and the pollen parent, KS163, in Yeongwol, and F1 seed yield was 1.79 ton/ha. Yanganok would be a suitable cultivar to all plain areas in the Korean peninsula.
Keywords
Maize; Crossing; Dry matter; TDN; Grain; Yield; Seed production;
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Times Cited By KSCI : 3  (Citation Analysis)
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