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http://dx.doi.org/10.5333/KGFS.2018.38.1.23

'Dakyeong', Earley-heading, Resistance to Lodging and High-yielding Forage Oats Cultivar  

Park, Tae-Il (National Institute of Crop Science, RDA)
Kim, Yang-Kil (National Institute of Crop Science, RDA)
Park, Hyung-Ho (National Institute of Crop Science, RDA)
Oh, Young-Jin (National Institute of Crop Science, RDA)
Park, Jong-Chul (National Institute of Crop Science, RDA)
Kang, Chon-Sik (National Institute of Crop Science, RDA)
Park, Jong-Ho (National Institute of Crop Science, RDA)
Cheong, Young-Geun (National Institute of Crop Science, RDA)
Kim, Kyong-Ho (National Institute of Crop Science, RDA)
Choi, Kyu-Hwan (Jellabuk-do, Agricultural Research and Extension Services)
Hong, Ki-Heung (Chungcheongnam-do, Agricultural Research and Extension Services)
Chae, Hyun-Seok (Subtropical Animal Experiment Station, NIAS, RDA)
Ku, Ja-Hwan (Central Area Crop Breeding Division, NICS, RDA)
Ahn, Jong-Woong (Central Area Crop Breeding Division, NICS, RDA)
Han, Ouk-Kyu (Central Area Crop Breeding Division, NICS, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.38, no.1, 2018 , pp. 23-29 More about this Journal
Abstract
'Dakyeong' (Avena sativa L.), a winter oats for forage use, was developed by the breeding team at National Institute of Crop Science, RDA in 2016. It was derived from a cross between 'CI7505'(IT133304) and 'Swan'(IT197920). Subsequent generations followed by the cross were handled in bulk and pedigree selection programs at Iksan and Jeonju, respectively. After preliminary and advanced yield test for 2 years, 'SO2004009-B-B-10-8-3-9', designated as a line name of 'Gwiri91', were subsequently evaluated for earliness and forage yield during 3 years in four parts such as Jeju (upland), Yesan (upland), Iksan (upland), and Jeonju (paddy), from 2014 to 2016, and finally named as 'Dakyeong'. Cultivar 'Dakyong' has leaves of dark green color, thick diameter culm and long grain of brown color. Over 3 years, the heading date of 'Dakyeong' was about 5 days earlier than that of check cultivar 'Samhan' (April 30 and May 5, respectively), and their average forage dry matter yield harvested at milk-ripe stage was higher 12% ($15.7tone\;ha^{-1}$) than $14.0tone\;ha^{-1}$ of check cultivar. Cultivar 'Dakyeong' was lower than the check cultivar 'Samhan' in terms of the protein content (6.1% and 7.0%, respectively) and total digestible nutrients (62.1%, and 62.5%, respectively), while the TDN yield was more than the check ($7.79tone\;ha^{-1}$ and $7.64tone\;ha^{-1}$, respectively). Fall sowing cropping of 'Dakyeong' is recommended only in areas where average daily minimum mean temperatures in January are higher than $-6^{\circ}C$, and it should not be cultivated in mountain areas, where frost damage is likely to occur.
Keywords
Oats; Forage; Earliness; High yield; Dakyeong;
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Times Cited By KSCI : 4  (Citation Analysis)
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