Nulichal" was developed by the National Institute of Crop Science, RDA, in 2010. The initial cross was conducted in 2000, and an elite line (HB15305-B-B-31-2) was selected in 2005. Subsequently, preliminary yield and advanced yield trials have designated it as "Iksan 95." It showed good agronomic performance in regional yield trials from 2008 to 2010 and was released as "Nulichal," with resistance against the barley yellow mosaic virus (BaYMV) and high yields with a waxy endosperm. The average heading and maturation dates of "Nulichal" were April 24 and May 30, respectively in paddy fields, which were 1 day later than those of the check cultivar "Saechalssalbori." It had culm and spike lengths of 82 and 4.0 cm, respectively. It showed 774 spikes/m 2 , 63 grains/spike, 25.0 g of 1,000-grain weight, and 793 g of test weight. "Nulichal" showed higher levels of resistance to BaYMV than the naturally occurring Iksan (type Ⅲ strain), Naju (type Ⅰ), and Jinju (type Ⅱ). The expansion rate was higher than that of "Saechalssalbori" and its hardness, gumminess, and chewiness were lower than those of "Saechalssalbori." Its average pearled grain yield in the regional yield trial was 4.00 MT/ha in paddy fields, which was 10% higher than that of the check cultivar. The combined availability of "Nulichal" was improved by its increased culm length compared with that of "Hinchalssal."
A winter wheat (Triticum aestivum L.) cultivar, 'Taejoong', was developed by the National Institute of Crop Science, Rural Development Administration in 2016. It was derived from a cross between 'Xian83(104).11 ' and 'Keumkang' in 2005. It was generated through the bulk and pedigree methods for six years, and then designated as 'Iksan370' after a two-year advanced yield trial test. This variety was designated the name 'Taejoong' after a regional yield trial test in eight locations throughout Korea for three years from 2014 to 2016. Its heading date was April 27 in upland and paddy filed conditions, and its maturity date was June 7 in uplands and June 4 in paddy fields, which were late compared to that of 'Keumkang'. 'Taejoong' had 417 spikes per m 2 , which was 300 less than that of 'Keumkang'. However, the spike length was 13.4 cm and the number of kernel per one spike was 48, which was 5.8 cm longer and 19 higher than those of 'Keumkang', respectively. 'Taejoong' showed strong resistance to lodging and moderate resistance to Fusarium head blight, but was susceptible to powdery mildew. 'Taejoong' flour yield (71.8%) and flour lightness (91.90) were similar to those of 'Keumkang', but its protein content (11.1%), gluten content (8.8%), and sodium dodecyl sulfate-sedimentation volume (34.2 ml) were lower. These result showed that the flour dough strength of 'Taejoong' was weaker than that of 'Keumkang'. The high-molecular-weight gluten subunit compositions of 'Taejoong' were Glu-A1 (N), Glu-B1 (7+9), and Glu-D1 (2+12). The granule-bound starch synthase compositions were Wx-A1, Wx-B1, and Wx-D1. The puroindoline compositions were Pina-D1 (a type) and Pinb-D1 (b type). The average grain yield of 'Taejoong' in a regional yield trial was 5.3 ton/ha in uplands and 4.6 ton/ha in paddy fields, which were 21% and 13% higher than that of the reference cultivar, 'Keumkang', respectively. (Registration No. 7378). This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. 서 언 밀(Triticum aestivum L.)은 세계 3대 작물로서 밀가루를 이용 하는 빵, 국수, 과자 등 다양한 식품 가공품의 원재료로 이용되고 소비가 꾸준히 증가하고 있는 반면, 국내 식용밀 생산량은 2017 년 3만7천톤으로 수입량 215만5천톤 대비 1.7% 비율로 매우 Upland
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