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RISS 인기검색어
- 검색키워드
- 저자 : Ngon Trong Truong (검색결과 3 건)
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Ngon Trong Truong,Kyujung Van,Moon-Young Kim,Suk-Ha Lee 韓國作物學會 2006 Korean journal of crop science Vol.51 No.2
Improvement of crop yield can be achieved through understanding genetic variation in reproductive characters and its impact on yield components. The present study was performed to evaluate genetic diversity for reproductive growth characters in exotic germplasm resources and to determine the relationships between developmental and growth periods with yield and yield components in soybean cultivar groups. For phenotypic evaluation such as reproductive and agronomic traits, a total of 80 indigenous and exotic soybean cultivars collected from four different geographical regions (China, Japan, Korea, and Vietnam) were grown from May to November of 2003 at the Seoul National University Farm, Suwon, Korea (127~circ02 longitude, 37~circ26 latitude). Most of all the characters exhibited wide range of phenotypic variation, of which pod number, seed number, and plant yield showed greater range as compared to other characters. Korean cultivar groups showed greater diversity than the other cultivar groups in seven characters. Correlation analysis showed that days to flowering (DTF) and days to maturity (DTM) had close association with agronomic traits as well as yield and yield components. Both DTF and DTM had positive correlation with the other characters except one hundred seed weight. Stepwise multiple linear regression revealed that seed and pod number were identified as being significant for plant yield. The results in this study indicated wide variation in agronomic traits including DTF and DTM, suggesting the valuable genetic resources in a soybean breeding program.
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Truong Ngon Trong,Van Kyu-Jung,Kim Moon-Young,Lee Suk-Ha The Korean Society of Crop Science 2006 Korean journal of crop science Vol.51 No.2
Improvement of crop yield can be achieved through understanding genetic variation in reproductive characters and its impact on yield components. The present study was performed to evaluate genetic diversity for reproductive growth characters in exotic germplasm resources and to determine the relationships between developmental and growth periods with yield and yield components in soybean cultivar groups. For phenotypic evaluation such as reproductive and agronomic traits, a total of 80 indigenous and exotic soybean cultivars collected from four different geographical regions (China, Japan, Korea, and Vietnam) were grown from May to November of 2003 at the Seoul National University Farm, Suwon, Korea ($127^{\circ}02'E$ longitude, $37^{\circ}26'N$ latitude). Most of all the characters exhibited wide range of phenotypic variation, of which pod number, seed number, and plant yield showed greater range as compared to other characters. Korean cultivar groups showed greater diversity than the other cultivar groups in seven characters. Correlation analysis showed that days to flowering (DTF) and days to maturity (DTM) had close association with agronomic traits as well as yield and yield components. Both DTF and DTM had positive correlation with the other characters except one hundred seed weight. Stepwise multiple linear regression revealed that seed and pod number were identified as being significant for plant yield. The results in this study indicated wide variation in agronomic traits including DTF and DTM, suggesting the valuable genetic resources in a soybean breeding program.
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이석하,반규정,김문영,Ngon Trong Truong 한국작물학회 2006 Korean journal of crop science Vol.51 No.3
Improvement of crop yield can be achievedthrough understanding genetic variation in reproductivecharacters and its impact on yield components. Thepresent study was performed to evaluate genetic diversityresources and to determine the relationships betweendevelopmental and growth periods with yield and yieldcomponents in soybean cultivar groups. For phenotypicevaluation such as reproductive and agronomic traits, atotal of 80 indigenous and exotic soybean cultivars col-lected from four different geographical regions (China,Japan, Korea, and Vietnam) were grown from May toNovember of 2003 at the Seoul National University Farm,Suwon, Korea (127o02’E longitude, 37o26N latitude).Most of all the characters exhibited wide range of pheno-typic variation, of which pod number, sed number, andplant yield showed greater range as compared to othercharacters. Korean cultivar groups showed greaterdiversity than the other cultivar groups in seven charac-ters. Corelation analysis showed that days to flowering(DTF) and days to maturity (DTM) had close associationwith agronomic traits as wel as yield and yield compo-the other characters except one hundred sed weight.Stepwise multiple linear regression revealed that seed andpod number were identified as being significant for plantyield. The results in this study indicated wide variation inagronomic traits including DTF and DTM, sugesting thevaluable genetic resources in a soybean breeding program.
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