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- Title
A New Improved Soybean Variety, 'Josaengseori' by Mutation Breeding.
- Authors
Hi Sup Song; Jin-Baek Kim; Kyung Jun Lee; Dong Sub Kim; Sang Hoon Kim; Sang Jae Lee; Si-Yong Kang
- Abstract
'Seoritae' is a very famous variety of black soybean for mixed cooking with rice in Korea. However, it has a couple of bad traits such as late flowering and maturity. To improve these characteristics, seeds of original 'Seoritae' were irradiated using a 250 Gy gamma ray in 1994. Some mutants were identified and finally a new soybean variety 'Josaengseori' was developed in 2005. This variety has a few distinguishable characteristics such as smaller grain size, early maturity and high yielding compared to the 'Seoritae'. The flowering period of 'Josaengseori' is 57 days after seeding (DAS), which is 10 days earlier than that of 'Seoritae' (67 DAS). The maturation period of 'Josaengseori' is 130 DAS, which is 34 days earlier than 'Seoritae' (164 DAS). And the total yield of the new variety with 179 kg/10a is 2.4 times higher than that of 'Seoritae' with 74 kg/10a. 100 grain weight of 'Josaengseori' is 32.8 g, which is 20% lower than that of 'Seoritae' with 40.1 g.
- Subjects
SOYBEAN; GENETIC mutation; SEEDS; PLANT breeding; CROP yields; FLOWERING of plants
- Publication
Korean Journal of Breeding Science, 2010, Vol 42, Issue 3, p222
- ISSN
0250-3360
- Publication type
Article