The study of 2-((3-R-4-R1-4H-1,2,4-triazole-5-yl)thio) acetic acid salts as growth stimulators of winter wheat sprouts

Authors

  • R. O. Shcherbyna Zaporizhzhia State Medical University, Ukraine
  • D. M. Danilchenko Zaporizhzhia State Medical University, Ukraine
  • N. O. Khromykh Oles’ Honchar Dnipropetrovsk National University, Ukraine
  • Yu. V. Lykholat Oles’ Honchar Dnipropetrovsk National University, Ukraine

DOI:

https://doi.org/10.24959/nphj.17.2155

Keywords:

1, 2, 4-triazole, winter wheat sprouts, “Podolyanka” sort

Abstract

Wheat is one of the most important and most widespread crop plants not only in Ukraine, but also in world agriculture in general. Wheat hybrids have many advantages, but seed production is a very complicated, high-tech and costly process. Derivatives of 1,2,4-triazol are interesting and promising in this respect.

Aim. To determine the effect of 2-((3-R-4-R1-4H-1,2,4-triazole-5-yl)thio) acetic acid salts on the growth quality indicators of winter wheat sprouting shoots (“Podolyanka” sort).

Materials and Methods. The objects of our research were 12 new water soluble 1,2,4-triazole derivatives.

Results and discussion. As the result of the study it was found that almost all salts of 2-((3-R-4-R1-4H-1,2,4-triazole-5-yl)thio) acetic acid were more or less able to affect the growth and development of winter wheat sprouts (“Podolyanka” sort). The intensity and severity of these effects are affected by substituents of the 1,2,4-triazole cycle at N3 and N4 atoms and cations associated with 2-((3-R-4-R1-4H-1,2,4-triazole-5-yl)thio) acetic acids. The promising compounds PKR-139, PKR-234, DKP-21 were found during our research. These substances almost exceeded the reference drug Auxin by all germination quality parameters. Interesting is the fact that the increase in the molecular weight of the substituent of the 1,2,4-triazole cycle at N4 atom in the molecules of 2-((4-R1-3-(morpholinomethylene)-4H-1,2,4-triazole-5-yl)thio) acetic acid ammonium salts results in the decrease of germination and the sprouting energy, but after that the germination rate slightly increases.

Conclusions. It has been found that compounds PKR-139, PKR-234, DKP-21 exhibit the most pronounced growth-stimulating activity.

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Published

2017-03-21

Issue

Section

Experimental and Clinical Pharmacology