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Yields and Isoflavone Contents of Soybean Cultivar in Highland Area  

Ok, Hyun-Choong (National Institute of Highland Agriculture, RDA)
Yoon, Young-Ho (National Institute of Highland Agriculture, RDA)
Jeong, Jin-Cheol (National Institute of Highland Agriculture, RDA)
Hur, On-Sook (National Institute of Crop Science, RDA)
Lee, Choon-Woo (National Institute of Highland Agriculture)
Kim, Chung-Guk (National Institute of Crop Science, RDA)
Cho, Hyun-Mook (National Institute of Highland Agriculture, RDA)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.53, no.1, 2008 , pp. 102-109 More about this Journal
Abstract
This study was performed to obtain fundamental information on growth adaptability and isoflavone contents of soybean cultivars in highland area of Korea. For this study, we cultivated nineteen cultivars and investigated yield and isoflavone contents. In Jinbu-myeon located at altitude of 600 m, most of cultivars showed more than 2.5 t/ha seed yield except three cultivars, and the range of isoflavone contents among nineteen cultivars was 715 to $2,545\;{\mu}g/g$. Cultivars with both high seed yield and isoflavone contents were Manrikong, Sinpaldalkong2, Cheongjakong, and Cheongjakong2 in this area. In Daegwallyeong-myeon located at altitude of 800 m, the range of seed yield and isoflavone contents was 1.4 to 2.4 t/ha and 437 to $2,370\;{\mu}g/g$, respectively. Cultivars with both high seed yield and isoflavone contents were Ilpumgeomjeongkong and Dooyookong in this area. Cultivars selected on the basis of seed yield and isoflavone contents in 2004 and 2005 showed also similar results for yield and isoflavone contents at farmer's field in highland area in 2006. In conclusion, it could be expected to produce soybeans having both higher yield and better quality if the selected soybean cultivars are cultivated in highland area.
Keywords
soybean; cultivar; yield; isoflavone; highland;
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