UDC 633.11"321"

FORMATION OF STRUCTURAL ELEMENTS IN SPRING WHEAT YIELD DEPENDING ON THE TERMS OF APPLICATION OF AMINO ACID BIOSTIMULANTS AND CROP SENICATION
A.V. Dyakina, Postgraduate, S.V. Bogomazov, Candidate of Agricultural Sciences, Associate Professor,
A.V. Lyandenburskaya, Candidate of Agricultural Sciences, O.A. Tkachuk, Candidate of Agricultural Sciences, Associate Professor,
G.V. Ilina, Doctor of Biological Sciences, Associate Professor r
Federal State Budgetary Educational Institution
of Higher Education "Penza State Agrarian University", Penza, Russia, tel. 8-(8412)628-546, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

In modern agriculture, one of the ways to increase yields of spring wheat is the use of amino acid biostimulants and crop senication. The purpose of the study was to investigate the effectiveness of the application of amino acid biostimulants and senication of spring wheat in order to optimize the conditions for growth, development and increase in grain yield.
According to the experimental results, a reliable effect of the investigated agronomic methods on the yield of spring wheat was found. Foliar treatment with Biostim Cereals preparation contributed to the yield of spring wheat in the amount of 4.35-4.60 t/ha. The highest yield was observed when the biostimulant was applied at the tillering and stem elongation stages – 4.60 t/ha, with a deviation from the control of 0.47 t/ha.
Senication as an innovative agronomic technique increased the yield of spring wheat on average by 0.44-0.58 t/ha. The highest yield of spring wheat (5.14 t/ha) was observed with foliar treatment with Biostim Cereals at the tillering and stem elongation stages and with senication of plants at the soft dough stage of the grain.
Keywords: amino acid biostimulant, senication, spring wheat, yield.

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