Journal of Crop Science and Biotechnology

, Volume 21, Issue 5, pp 435–441 | Cite as

Assessment of Yield and Yield Component of Soybean Genotypes (Glycine Max L.) in North of Khuzestan

  • Sina GhanbariEmail author
  • Ahmad Nooshkam
  • Barat Ali Fakheri
  • Nafiseh Mahdinezhad
Research Article


18 soybean genotypes were examined to investigate the relationships between some principal attributions of morphology with seed yield per soybean, by Random Complete Block Design (RCBD) study. This study was also carried out three replicates to gain reliable results. The results of variance analysis indicated that, there were significance differences among all soybean genotypes. Moreover, the results of correlated analysis revealed that biological yield (0.96), harvest index (0.92), and number of branches (0.92) had the uttermost correlation with seed yield. To data factor analysis, four independent variables justified 99 percent of all data. The first variable, seed yield, justified 96 percent of entire variance. Multiple-Regression Model with method Analytical Regression Model (step-by-step) was utilized to examine soybean seed yield. This model proved that biological yield, thousand seed weight, and harvest index entered into model respectively and justified 98.85 percent of variation of seed yield. Correlated coefficients of considered attributions were equal to 0.96, 0.78, and 0.92, respectively. All of these indexes had significant at 1% in statistical process. Therefore, these traits can be notability used in soybean breeding programs. Also, accordance to cluster analysis, the sample was divided into three groups.

Key words

Soybean morphological traits factor analysis step-by-step regression 


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Copyright information

© Korean Society of Crop Science (KSCS) and Springer Nature B.V. 2018

Authors and Affiliations

  • Sina Ghanbari
    • 1
    • 3
    Email author
  • Ahmad Nooshkam
    • 2
  • Barat Ali Fakheri
    • 3
  • Nafiseh Mahdinezhad
    • 3
  1. 1.Researcher of center of research and innovation of ETKA organizationTehranIran
  2. 2.PhD of Agronomy, Researcher of center of research and innovation of ETKA organizationcompany of agro-industrial martyr BeheshtiDezfulIran
  3. 3.Department of Plant Breeding and Biotechnology, Faculty of AgricultureUniversity of ZabolZabolIran

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