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A New Improved Soybean Variety, 'Josaengseori' by Mutation Breeding  

Song, Hi Sup (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Kim, Jin-Baek (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Lee, Kyung Jun (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Kim, Dong Sub (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Kim, Sang Hoon (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Lee, Sang Jae (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Kang, Si-Yong (Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
Publication Information
Korean Journal of Breeding Science / v.42, no.3, 2010 , pp. 222-225 More about this Journal
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.
Keywords
Black soybean; Early maturity; High yield; Mutation breeding; Small seed size;
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Times Cited By KSCI : 1  (Citation Analysis)
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