Study of correlations between yield and grain quality indicators of varieties and breeding lines of Triticum aestivum L.




winter bread wheat, yield, grain quality indicators, flour quality indicators, rheological properties of dough, correlation coefficient, coefficient of variation


Purpose. To determine the correlations between yield and grain quality indicators of varieties and breeding lines of winter bread wheat.

Methods. The study was conducted under the conditions of the V. M. Remeslo Myronivka Institute of Wheat NAAS of Ukraine (MIW) during 2019/20–2021/22. Ten new varieties and four breeding lines of winter bread wheat of Myronivka breeding were evaluated. Grain quality indicators were determined in the grain quality laboratory of MIW according to conventional techniques. Pearson’s correlation coefficients (r) were calculated to establish correlations.

Results. Correlations with different direction and strength were found between yield and quality indicators of winter bread wheat grain (–0.32 < r < 0.61). During the research years, reliable direct correlation coefficients were obtained between yield and the 1000 kernel weight indicator (r = 0.17–0.46). Also, a reliable linear dependence (r = 0.13–0.61) of yield with water absorption capacity of flour, test weight, grain vitreous, with protein and wet gluten content, but only under certain hydrothermal growing conditions. The varieties and breeding lines of winter bread wheat were identified which, during the years of research, showed stable direct correlations between yield and the indicators of 1000 kernel weight, grain vitreous, protein content, wet gluten content, sedimentation value, dough elasticity index, deformation energy, dough tenacity, water absorption capacity of flour.

Conclusion. The selected varieties and breeding lines of winter bread wheat can be used in the breeding process as sources for combining high yield with certain improved quality indicators in one genotype to create competitive varieties.


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How to Cite

Pravdziva, I. V., Vasylenko, N. V., & Khoroshko, N. M. (2023). Study of correlations between yield and grain quality indicators of varieties and breeding lines of Triticum aestivum L. Plant Varieties Studying and Protection, 19(4), 217–225.