A New Soybean Cultivar 'Daewang' with High Quality and Large Seed Size
2011
Choi, J.K., Gangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea | Ha, K.S., Gangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea | Byun, H.S., Gangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea | Heo, N.K., Gangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea | Jang, E.H., Gangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea | Kim, S.S., Gangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea | Lee, S.J., Gangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea | Sa, J.G., Gangwon Agricultural Research and Extension Services, Chuncheon, Republic of Korea
A new soybean cultivar 'Daewang' was released by Agricultural Research and Extension Services, Gangwon Province in 2008. The goals of breeding the variety was for large seed size, high yield, lodging tolerance and resistance to diseases such as Soybean mosaic virus (SMV) and bacterial pustule. 'Daewang' was derived from the cross of GWS91, which has yellow seed coat, large seed size and late maturity, and 'Seokryang-putkong', which has large seed size and early maturity. The preliminary, advanced and regional yield trials for evaluation and selection were carried out from 2002 to 2007. It has a determinate growth habit with purple flower, yellow seed coat, yellow hilum and large seed weight (33.6 g per 100 seeds). The maturity date of 'Daewang' is 16 days later than the 'Taekwang'. It has a high content of total isoflavone (1,851 ㎍/g). The average yield of 'Daewang' was 2.68 MT/ha in the regional yield trials (RYT) carried out in four locations in Gangwon province from 2004 to 2007 which was 4 percent higher than the check cultivar 'Taekwang'.
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