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Genotype and Environment Influence on Protein Components of Soybean

Genotype and Environment Influence on Protein Components of Soybean,10.2135/cropsci2003.0511,Crop Science,Walter R. Fehr,Joseph A. Hoeck,Susan L. John

Genotype and Environment Influence on Protein Components of Soybean   (Citations: 10)
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environments was consistent. No significant differences were ex- The 14 cultivars of Maturity Group II used in this experi- pressed among years or locations for c, G, and the G/c ratio; ment were developed by Iowa State University. They repre- however, there were significant differences for the three traits among sent the range of general-use and special-use cultivars grown in the 24 environments. There was a significant phenotypic correlation the midwestern United States. IA2021 is a general-use cultivar; of 0.92 between the c and G contents of the 14 cultivars averaged IA2040 is a large-seeded cultivar; HP204, IA2017, IA2020, across environments, but no significant correlations of c, G, or the IA2034, IA2041, IA2042, and Vinton 81 are large-seeded, G/c ratio with protein and oil content. It should be possible to breed high-protein cultivars; IA2035 is a small-seeded cultivar; and for desired levels of the protein components in a cultivar development IA2025, IA2027, IA2029, and IA2032 are lipoxygenase-free program and to select among cultivars for the traits in commercial cultivars. The cultivars were grown in three replications of a grain production. randomized complete-block design at Greene, Sioux Rapids, Kanawha, Hubbard, Grand Junction, Winterset, Griswold, and Crawfordsville, IA, in 1998, 1999, and 2000. The soil types are a Kenyon silty clay loam (fine-loamy, mixed, mesic Typic -conglycinin and glycinin are the two primary com- Hapludoll) at Greene, a Primghar silty clay loam (fine-silty, ponents of soybean storage protein (Wilson, 1987). mixed, mesic Aquic Hapludoll) at Sioux Rapids, a Webster The components of c that can be separated by electro- silty clay loam (fine-loamy, mixed, mesic Typic Haplaquoll) phoresis are , , and peptides. The components of at Kanawha, a Nicollet loam (fine-loamy, mixed, mesic Aquic G can be separated into A3; total A1a ,A 1b ,A 2 ,A 4; and Hapludoll) at Grand Junction and Hubbard, a Winterset silty total basic peptides. Differences in c, G, and the G/c clay loam (fine, montmorillonitic, mesic Typic Argiudoll) at ratio have been shown to influence the quality of soy- Winterset, a Marshall silty clay loam (fine-silty, mixed, mesic food products (Murphy et al., 1997; Cai and Chang, Typic Hapludoll) at Griswold, and a Mahaska silty clay loam
Journal: Crop Science - CROP SCI , vol. 43, no. 2, 2003
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    • ...Research by Fehr et al. (2003) has noted significant differences in the protein components b-conglycinin (bc) and glycinin (G) and their subunits among genotypes and environments...
    • ...Fehr et al. (2003) showed significant differences among environments for soybean protein components, but year effects were only significant for two protein components, and location effects were not significant for any protein components...
    • ...Fehr et al. (2003) noted significant genotypic differences in protein components, and research by Zutara and Sun showed that adhesive shear strength was affected by protein components (unpublished data, 2004)...

    Maria E. Stollet al. Genotype and Environment Effects on Adhesive Shear Strength in Soybean...

    • ...Significant differences among genotypes and environments have been reported for G, βc, and G/βc ratio (10,11)...
    • ...Different cultivars (genotypes) also are significantly different in terms of the G/βc ratio (10)...
    • ...The type and composition of the soybean’s growth medium have a major effect on concentrations of G and βc and G/βc ratio (10,32)...

    Behzad KAVIANIet al. Improvement of the Nutritional Value of Soybean (Glycine max (L) Merr....

    • ...Fehr et al. (27) analyzed 14 soybean cultivars for various storage proteins for 3 yr at eight locations using different...

    D. R. Pantheeet al. Quantitative trait loci for β-conglycinin (7S) and glycinin (11S) frac...

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