Effect of Late Sowing on the Isoflavone Content of Soybean Seed in Southern Kyushu

2009 ◽  
Vol 78 (2) ◽  
pp. 250-254 ◽  
Author(s):  
Isao Akagi ◽  
Motoki Nishihara ◽  
Shigehide Ueda ◽  
Akitoshi Yokoyama ◽  
Yuichi Saeki
Keyword(s):  
Soybean Seed ◽  
Isoflavone Content ◽  
Late Sowing

scholarly journals Genetic control of soybean seed isoflavone content: importance of statistical model and epistasis in complex traits

2009 ◽  
Vol 119 (6) ◽  
pp. 1069-1083 ◽  
Author(s):  
Juan Jose Gutierrez-Gonzalez ◽  
Xiaolei Wu ◽  
Juan Zhang ◽  
Jeong-Dong Lee ◽  
Mark Ellersieck ◽  
...  
Keyword(s):  
Statistical Model ◽  
Genetic Control ◽  
Complex Traits ◽  
Soybean Seed ◽  
Isoflavone Content ◽  
Seed Isoflavone

scholarly journals Genomic Regions That Underlie Soybean Seed Isoflavone Content

2001 ◽  
Vol 1 (1) ◽  
pp. 38-44 ◽  
Author(s):  
K. Meksem ◽  
V. N. Njiti ◽  
W. J. Banz ◽  
M. J. Iqbal ◽  
My. M. Kassem ◽  
...  
Keyword(s):  
Linkage Group ◽  
High Performance ◽  
Biological Effects ◽  
Recombinant Inbred Lines ◽  
Soybean Seed ◽  
Soybean Seeds ◽  
Isoflavone Content ◽  
Seed Isoflavone ◽  
Genomic Regions

Soy products contain isoflavones (genistein, daidzein, and glycitein) that display biological effects when ingested by humans and animals, these effects are species, dose and age dependent. Therefore, the content and quality of isoflavones in soybeans is a key to their biological effect. Our objective was to identify loci that underlie isoflavone content in soybean seeds. The study involved 100 recombinant inbred lines (RIL) from the cross of ‘Essex’ by ‘Forrest,’ two cultivars that contrast for isoflavone content. Isoflavone content of seeds from each RIL was determined by high performance liquid chromatography (HPLC). The distribution of isoflavone content was continuous and unimodal. The heritability estimates on a line mean basis were 79% for daidzein, 22% for genistein, and 88% for glycitein. Isoflavone content of soybean seeds was compared against 150 polymorphic DNA markers in a one-way analysis of variance. Four genomic regions were found to be significantly associated with the isoflavone content of soybean seeds across both locations and years. Molecular linkage group B1 contained a major QTL underlying glycitein content (P=0.0001,R 2=50.2%), linkage groupNcontained a QTL for glycitein (P=0.0033,R 2=11.1%) and a QTL for daidzein (P=0.0023,R 2=10.3%) and linkage groupA1contained a QTL for daidzein (P=0.0081,R 2=9.6%). Selection for these chromosomal regions in a marker assisted selection program will allow for the manipulation of amounts and profiles of isoflavones (genistein, daidzein, and glycitein) content of soybean seeds. In addition, tightly linked markers can be used in map based cloning of genes associated with isoflavone content.

scholarly journals Isoflavone Content of Kansas Soybeans

2004 ◽  
Vol 2 (4) ◽  
Author(s):  
M Swanson ◽  
M Stoll ◽  
W Schapaugh ◽  
L Takemoto
Keyword(s):  
Cancer Prevention ◽  
Estrogenic Activity ◽  
Positive Impact ◽  
Antioxidant Properties ◽  
Soybean Seed ◽  
Soybean Cultivars ◽  
Isoflavone Content ◽  
Positive Effect ◽  
Different Levels ◽  
Selection Of

Isoflavones occurring in soybean seed have been thought to have a positive effect on the health of humans, especially in cancer prevention. This positive impact may be a result of their antioxidant properties, estrogenic activity, or a combination of mechanisms. The purpose of this study was to quantify and compare different levels of isoflavones in various Kansas soybean cultivars. Seeds of four different cultivars grown in 2001 at three different locations were analyzed. There were significant differences in total and individual amounts of isoflavones across both cultivars and locations. These results demonstrated a large variation in isoflavone content in different cultivars grown in different locations, suggesting that selection of cultivar and growing location are important parameters in optimizing the isoflavone content of soybeans grown in Kansas.

Effect of temperature and water availability during late maturation of the soybean seed on germ and cotyledon isoflavone content and composition

2007 ◽  
Vol 88 (2) ◽  
pp. 218-228 ◽  
Author(s):  
Claudine A Rasolohery ◽  
Monique Berger ◽  
Anatoliy V Lygin ◽  
Vera V Lozovaya ◽  
Randall L Nelson ◽  
...  
Keyword(s):  
Water Availability ◽  
Soybean Seed ◽  
Effect Of Temperature ◽  
Isoflavone Content ◽  
Late Maturation

scholarly journals Imbalance Water Deficit Improves the Seed Yield and Quality of Soybean

Agronomy ◽  
2018 ◽  
Vol 8 (9) ◽  
pp. 168 ◽  
Author(s):  
Nasir Iqbal ◽  
Sajad Hussain ◽  
Xiao-Wen Zhang ◽  
Cai-Qiong Yang ◽  
Muhammad Raza ◽  
...  
Keyword(s):  
Seed Yield ◽  
Unsaturated Fatty Acids ◽  
Seed Quality ◽  
Soil Column ◽  
Oil Quality ◽  
Soybean Seed ◽  
Field Capacity ◽  
Yield And Quality ◽  
Isoflavone Content ◽  
Soybean Genotypes

Water imbalance condition (WIC) in a maize-soybean relay intercropping system is the main abiotic stress limiting biomass production and seed yield and, consequently, seed-quality. This experiment was started to study the effects of WIC on soybean, in which two soybean genotypes ND12 and C103 were grown in pots with roots split equally between two soil column and six WIC treatments (%) T1 (100), T2, (100:50), T3 (100:20), T4 (50:50), T5 (50:20), and T6 (20:20) field capacity on both sides of soybean roots were used. Results showed that both genotypes responded significantly to WIC treatments for all the parameters; however, the level of response differed between genotypes. Maximum osmoprotectants (except proline), biomass, yield and yield-related traits and superior seed quality were observed with ND12. Among WIC treatments, T2 and T3 produced 94% and 85%, and 93% and 81% of T1 biomass and yield, respectively. Similarly, treatments T2 and T3 also improved the oil quality by maintaining the content of unsaturated fatty acids and isoflavone content, while opposite trends were observed for protein content. Overall, moderate water reduction (T2 and T3) can improve soybean seed-quality and by selecting drought-resistant genotypes we can increase the soybean yield under intercropping systems.

scholarly journals Isoflavone Composition, Total Phenolic Content and Antioxidant Capacity of Soybeans with Colored Seed Coat

2017 ◽  
Vol 12 (4) ◽  
pp. 1934578X1701200 ◽  
Author(s):  
Mira Bursać ◽  
Milica Atanacković Krstonošić ◽  
Jegor Miladinović ◽  
Đorđe Malenčić ◽  
Ljiljana Gvozdenović ◽  
...  
Keyword(s):  
Antioxidant Capacity ◽  
Seed Coat ◽  
Total Phenolic Content ◽  
High Performance ◽  
Phenolic Content ◽  
Coat Color ◽  
Soybean Seed ◽  
Total Phenolic ◽  
Specific Content ◽  
Isoflavone Content

The influence of soybean seed coat color and genotype on antioxidant capacity, phenolic content and isoflavone profile was investigated. Isoflavone content and composition of 21 seed samples - yellow, green, brown, black and rarely mentioned ocher and reddish, were determined by high-performance liquid chromatographic analysis. Antioxidant capacity and total phenolic content (TPC) were evaluated spectrophotometrically. Significant correlation between total isoflavone content and total genisteins was established in all colored groups. Total isoflavone content was in the range from 2.11 mg/g in a green wrinkled sample to 5.24 mg/g in yellow seed. It was found that black genotypes had the highest TPC and antioxidant capacity, which were significantly different ( p<0.05) from other colored soybeans. The obtained interconnections among analyzed isoflavones can be used as a model for estimation of their specific content.

scholarly journals Formation of seed yield of soybean varieties with different growing periods in the western Forest-steppe

1970 ◽  
pp. 46-56
Author(s):  
V.G. Moldovan ◽  
Zh.A. Moldovan ◽  
S.I. Sobchuk
Keyword(s):  
Seed Yield ◽  
Soybean Seed ◽  
Weather Conditions ◽  
Forest Steppe ◽  
Seeding Rate ◽  
Natural Zone ◽  
Growing Conditions ◽  
Sowing Period ◽  
Germinating Seeds ◽  
Late Sowing

Purpose. To establish the influence of sowing terms and seeding rates on the formation of seed yield of soybean varieties with different growing periods in the Western Forest-Steppe natural zone of Ukraine. Methods. Field experiment, calculation and weight, mathematical statistics. Results. It was found that the studied soybean varieties with different growing periods react differently to growing conditions. Among the studied factors, the seeding rate, more than the sowing period, influenced the formation of soybean seed yield. Inparticular, the studied soybean varieties Diadema Podillya, KiVin, Knyazhna and Khutoryanochka in all terms of sowing, the highest grain yield formed at the seeding rate of 900 thousand germinating seeds per 1 ha, while the Triada variety – at the seeding rate of 700 thousand germinating seed sper 1 ha. The increase in yield compared to the seeding rate of 700 thousand germinated seeds per 1 ha was in the Diadema Podillya variety – 8,9-19,2%, in the KiVin variety – 12,4-15,6%, in the Knyazhna variety – 16,0-22,9% and in the Khutoryanochka variety – 4,2-10,1%. Reducing the seeding rate to 500 thousand germinating seeds led to a decrease in productivity for all sowing periods, in the Diadema Podolia variety – by 15,3-23,7%, in the KiVin variety – by 19,6-26,0%, in the Knyazhna variety – by 13,6-18,3%, in the Khutoryanochka variety – by 9,9-11,0% and in the Triada variety – by 17,8-25,7%. Higher indicators of seed yield all the studied soybean varieties formed during the late sowing period. Conclusions. The studied factors had a significant influence on the formation of seed yield of all soybean varieties that were studied – the timing of sowing and seeding rates, as well as the weather conditions of the growing season. The studied soybean varieties reacted differently to a decrease or increase in the seeding rate, however, higher yield indicators were formed due to the late sowing period.

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