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한국 재래종 콩 유전자원의 이소플라본 함량과 수량관련형질에 대한 연차간 비교
윤혜명(Hyemyeong Yoon),이정윤(Jungyoon Yi),케베데 타예 데스타(Kebede taye Desta),신명재(Myong-Jae Shin),이윤정(Yoonjung Lee),이수경(Sukyeung Lee),왕샤오한(Xiaohan Wang),최유미(Yu-Mi Choi),이성우(Sungwoo Lee) 한국육종학회 2021 한국육종학회지 Vol.53 No.4
In this study, composition and agronomic traits, including yield-related traits, were investigated and compared among 35 Korean landracegermplasm for two years (2019 and 2020). The contents of 12 isoflavones were measured using high-performance liquid chromatography, and agronomictrait data were collected according to the Rural Development Administration criteria. Comparing isoflavone composition between the two years,all isoflavones, except glycitein, were generally higher in 2019. The values of yield-related and major agronomic traits decreased in most accessionsin 2020. ANOVA showed highly significant differences (p<0.001) in genotypes, years, and genotype-by-year interaction for all isoflavones, the numberof pods per plant, and 100-seed weight. The number of seeds per pod, days to flowering, and days to maturity also showed significant differencesamong genotypes, as well as between the two years. Correlation analysis revealed that daidzin and genistin were positively correlated with theirmalonylated form. Malonyl daidzin was also positively correlated with malonyl genistin levels. The accessions with the least variation in the totalisoflavone content were IT 153844 (907.5 μg/g, 898.6 μg/g) and IT 252252 (663.2 μg/g, 636.4 μg/g). Some of the evaluated landraces will bea promising genetic source for developing soybean varieties with high levels of environmental stability in isoflavone content and agronomic traits.