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"Paddy field"

New Cultivar Developed
논 적응성 향상 기계화 소분지 고착협 콩 품종 ‘장풍’
Paddy Field and Mechanization-Adaptable Soybean Cultivar, ‘Jangpung’, with Fewer Branches and Higher First Pod Height
Beom Kyu Kang, Jeong Hyun Seo, Jun Hoi Kim, Su Vin Heo, Gi Rim Park, Won Young Han, Myung Chul Seo, Yeong Hoon Lee, In Youl Baek, Jee Yeon Ko, Ji Hee Park, Jung Suk Sung, Hong Sik Kim, Chan Sik Jung, Hye Sun Choi, Yeong Min Jo, Eun Byul Go, Ji Ae Lee
Korean. J. Breed. Sci. 2024;56(4):547-558.
Published online December 1, 2024
DOI: https://doi.org/10.9787/KJBS.2024.56.4.547

The soybean cultivar, ‘Jangpung’, is adaptable for mechanized harvest with fewer branches and a higher first pod height. ‘Jangpung’ was developed through a pedigree method involving a cross between ‘Shingi’ and ‘SS03102-B-B-3S-21-4’ cultivars from 2010-2021. The promising line, ‘YS2243-B-B-35-1-1-1’, was selected and designated as ‘Milyang361’, whereafter it was tested in regional yield trials (RYT) for three years from 2019-2021. Its performance and stability were approved after the RYT and thereafter released as ‘Jangpung’. It has a determinate growth habit, purple flowers, grey pubescence, yellow seed coat, yellow hilum, spherical seed shape, and large seeds (28.2 g/100 seeds). ‘Jangpung’ is a late-maturing cultivar; its flowering and maturing dates were 9 August and 22 October, respectively. ‘Jangpung’ exhibited resistance to bacterial pustule and soybean mosaic virus, as well as tolerance to lodging and shattering resistance, as confirmed through genetic validation using the marker, qPDH-KS. Considering its higher first pod height, lodging and shattering tolerance, and disease resistance, the soybean cultivar, ‘Jangpung’, might assist soybean producers in achieving high adaptability for mechanization and paddy field cultivation (Registration number: 9972).

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논 재배에 적합하고 맥주용 품질이 우수한 맥주보리 신품종 ‘다품’
A Malting Barley (Hordeum vulgare L.) Variety, ‘Dapum’, with Suitable Yield in Paddy Fields and Enhanced Brewing Quality
Young-Mi Yoon, Jong-Ho Park, Yang-Kil Kim, Tae-Heon Kim, Chon-Sik Kang, Kyong-Ho Kim, Young-Keun Cheong, Jong-Chul Park
Korean. J. Breed. Sci. 2020;52(4):433-440.   Published online December 1, 2020
DOI: https://doi.org/10.9787/KJBS.2020.52.4.433

We developed a malting barley, ‘Dapum’, with stable yield and enhanced quality for brewing. ‘Dapum’ was developed in 2015, by crossing Hopum, which has high brewing quality, and ‘GobDH96’, which has steady yield. The regional yield trials were conducted for ‘Dapum’ as a breeding line ‘Iksan173’ in four different regions from 2013 to 2015. It has a type I growth habit, and the average heading and maturing date in paddy fields were April 20 and May 26, respectively, which were 1 day earlier than those of ‘Hopum’. The yield potential of ‘Dapum’ was 411 kg/ha, which is approximately 10% higher than those of ‘Hopum’ under paddy field condition. ‘Dapum’ possesses the rym5 gene and is resistant to barley yellow mosaic virus (BaYMV), although susceptible to powdery mildew and lodging tolerance. It is similar to ‘Hopum’ in terms of enhanced brewing quality. ‘Dapum’ had a higher 1,000-grain weight (46.1 g) and assortment ratio (92%) than those of ‘Hopum,’ at 43.8 g and 90%, respectively. Analysis of grain quality for malting showed that ‘Dapum’ has high quality protein content, β-glucan content, and water sensitivity. Malt quality analysis revealed that ‘Dapum’ has 73.3% extraction rate, 3.7% soluble protein content, 32.6% Kolbach index, 244 WK (Windisch-Kolbach) diastatic power, and 80.2% friability, which were similar to those of ‘Hopum’. It would be suitable for cultivation in the zones of Korea that have a daily minimum temperature of -4℃ in January (Registration No. 7512).

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