Interrelationships among agronomic and seed quality traits in an interspecific soybean recombinant inbred population

Mine Cicek, Pengyin Chen, M. A Saghai Maroof, Glenn R. Buss

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

The objectives of this study were to evaluate soybean [Glycine max (L.) Merr.] agronomic and quality traits and to examine correlations among traits in an interspecific soybean population. The agronomic traits included maturity, plant canopy height, canopy spread, leaflet length, leaflet width, seed yield, and seed size. The seed quality traits were sucrose, raffinose, and stachyose content. A total of 308 recombinant inbred lines (RIL) were developed from the cross between a large-seeded Glycine max breeding line (V71-370) and a small-seeded Glycine soja Sieb. & Zucc. accession (PI 407162). Normal distribution was observed for most of the traits with a slight skewness towards the G. soja parent. Most correlation coefficients were highly significant, such as the positive correlation between yield and sucrose and between seed size and sucrose. Genotype × environment interaction was significant for all of the agronomic traits but not for sugar contents. Maturity, seed size, and sucrose content were highly heritable, whereas plant height, canopy spread, leaflet length, leaflet width, yield, stachyose content, and raffinose content had relatively low broad-sense heritabilities. Our findings suggest that the lack of genotype × location effects on sugar content favors progress through selection, but the strong correlation among the sugars may hinder progress in selecting lines that are high in sucrose but low in raffinose and stachyose over different environmental conditions. The information on heritability and interrelationships among the agronomic and seed quality traits will be helpful to breeders in constructing their breeding populations and implementing selection strategies.

Original languageEnglish (US)
Pages (from-to)1253-1259
Number of pages7
JournalCrop Science
Volume46
Issue number3
DOIs
StatePublished - May 2006

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seed quality
stachyose
sucrose
soybeans
raffinose
Glycine soja
canopy
agronomic traits
sugar content
Glycine max
heritability
seeds
genotype-environment interaction
breeding lines
inbred lines
seed yield
sugars
environmental factors
genotype
breeding

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Interrelationships among agronomic and seed quality traits in an interspecific soybean recombinant inbred population. / Cicek, Mine; Chen, Pengyin; Maroof, M. A Saghai; Buss, Glenn R.

In: Crop Science, Vol. 46, No. 3, 05.2006, p. 1253-1259.

Research output: Contribution to journalArticle

Cicek, Mine ; Chen, Pengyin ; Maroof, M. A Saghai ; Buss, Glenn R. / Interrelationships among agronomic and seed quality traits in an interspecific soybean recombinant inbred population. In: Crop Science. 2006 ; Vol. 46, No. 3. pp. 1253-1259.
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