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A New High-yielding Winter Oat Cultivar for Whole Crop Forage, 'Dahan'
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 Title & Authors
A New High-yielding Winter Oat Cultivar for Whole Crop Forage, 'Dahan'
Han, Ouk-Kyu; Park, Tae-Il; Park, Hyung-Ho; Song, Tae-Hwa; Kim, Kee-Jong; Park, Nam-Geon; Ju, Jung-Il; Jang, Young-Jik; Hwang, Jong-Jin; Kwon, Young-Up;
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 Abstract
'Dahan' (Avena sativa L.), a winter oat cultivar for forage use, was developed by the breeding team at the Department of Rice and Winter Cereal Crop, National Institute Crop Science (NICS), Rural Development Administration (RDA) in 2011. It was derived from an original cross between [Sprinter/73625] and 'Gwiri26'. Subsequent generations followed by the cross were handled in bulk and pedigree selection programs at Suwon. A line, 'SO99027-GB-B-113-4-4-3', was selected for cold tolerance and good agronomic characteristics and as a line name of 'Gwiri75'. The line 'Gwiri75' was subsequently evaluated for cold tolerance and forage yield during 3 years in four region such as Yesan, Iksan, Kimjae, and Jeju, from 2009 to 2011 and finally named as 'Dahan'. Though similar in heading date to the check cultivar Samhan, 'Dahan' had tall plant length and lodging resistance. It's average forage dry matter yield harvested at milk-ripe stage was 15.6 ton , compared with 14.1 ton of check cultivar. Cultivar 'Dahan' was lower to the check cultivar 'Samhan' in protein content (8.4% and 9.9%, respectively), while it was superior to the check cultivar in total digestible nutrients (TDN) (60.8% and 59.3%, respectively), and in TDN yield (9.5 ton and 8.4 ton, respectively). Fall sowing of 'Dahan' is recommended only in the areas where daily minimum mean temperatures are averaged higher than in January, and excluded in mountain area where frost damage is presumable.
 Keywords
Oat;Forage;Cold tolerance;High yield;Dahan;
 Language
Korean
 Cited by
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