Effects of genes controlling the plant development rates on the formation of individual productivity of wheat and soybean

  • O. A. Avksentiieva
  • A. I. Zubrich
  • M. S. Vasilchenko
  • V. V. Shulik


Aim. The aim of the work was to study the effects of genes controlling the plant development rates on the speed of transition to generative development and formation of individual productivity of isogenic lines of wheat (Triticum aestivum L.) and soybean plants (Glycine max (L.) Merr.) according to the genes. Methods. The experiments were carried out in the field conditions. The periods of sprouting and earing (PSE) of wheat, the periods of sprouting and flowering (PSF) and ripening (PSR) of soybean isogenic lines and the elements of the structure of individual productivity were determined. Results. It was shown that under conditions of a natural long day (16 hours), wheat plants with genotypes VRN-A1a, VRN-D1a, PPD-A1a and PPD-D1a more rapidly passed to the earing. In soybean isogenic lines, the presence of dominant alleles of the E-series genes increased the duration of phases of PSF and PSR. The maximum indicators of productivity elements were characterized by isogenic lines, developed at a faster rate. Conclusions. The genes controlling the development rates of soft wheat and soybean crops, defining the timing of the transition to generative development, determine their productivity.

Keywords: Triticum aestivum L., Glycine max (L.) Merr., VRN, PPD, EE genes, rates of development, productivity.


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