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- Title
A New Black Seed Coat Soybean Cultivar, 'Daeheug' with Lodging Tolerance, and Large Seed Size.
- Authors
Won-Young Han; In-Youl Baek; Jong-Min Ko; Hyun-Tae Kim; Ki-Won Oh; Sang-Ouk Shin; Keum-Yong Park; Tae-Jung Ha; Doo-Chull Shin; Myung-Gun Chung; Sung-Taek Kang; Hong-Tae Yun; Young-Jin Oh; Je-Kyu Kim; Ho-Yeong Kim; Jae-Keun Choi; Seong-Su Lee; Chang-Ki Son; Yong-Duk Kim
- Abstract
A new black seed coat soybean cultivar, 'Daeheug', was developed at the National Institute of Crop Science (NICS) in 2007. The breeding goal for black seed coat soybean is to develop the cultivar with large seed size, high yield, lodging tolerance, and resistance to disease such as soybean mosaic virus (SMV), and bacterial pustule. 'Daeheug' was selected from the cross between 'Daehwang' which had yellow seed coat, large seed size, and late maturity, and 'Milyang 79' which was lodging tolerant, and SMV resistant with medium seed size, black seed coat, and yellow cotyledon. The preliminary, advanced and regional yield trials for evaluation and selection of this cultivar were carried out from 2003 to 2007. It has determinate growth habit, purple flower, brown pubescence, brown pod color, black seed coat, yellow cotyledon, spherical flattened seed shape, oval leaf shape and large seed size (34.3 g/100 seeds). In maturity, 'Daeheug' was 2 days later than the check cultivar 'Ilpumgeomjeongkong'. In the seed quality such as isoflavone contents (635 μ/g), and anthocyanin contents (11.2 ml/g of seed coat), 'Daeheug' was better than the check cultivar. It has good adaptability for cooking with rice in ratio of water absorption and seed hardness. Specially, it has good processability for soybean tea with 2.13 absorbance at 530 nm, scavenge activity of DPPH radical was high, and contents of total phenolics was 1,263 μ/?. The average yield of 'Daeheug' was 2.26 ton per hectare in the regional yield trials (RYT) carried out in six locations of Korea from 2005 to 2007.
- Subjects
KOREA; SOYBEAN; SEED size; SOYBEAN mosaic virus; BEAN disease &; pest resistance; PLANT breeding; CROP yields; PHENOLS
- Publication
Korean Journal of Breeding Science, 2010, Vol 42, Issue 3, p267
- ISSN
0250-3360
- Publication type
Article