YIELD AND GRAIN QUALITY DEVELOPMENT OF SPRING SOFT WHEAT DEPENDING ON PLANT PHYSIOLOGY

DOI 10.31588/2073-0462-2026-21-1-51-56 УДК / UDC 633.111.1 EDN: KJLJPQ

Authors

Keywords:

wheat (Triticum aestivum L.), leaf, biomass, protein, yield, conjugation.

Abstract

Yield development begins with seed germination and continues throughout the growing season. Natural plant processes include an increase in leaf area and accumulation of dry biomass; these factors determine the photosynthetic potential of plants and, subsequently, productivity. The aim of study was to evaluate the yield and grain quality development of spring soft wheat depending on plant development during the tillering stage. The study was conducted from 2023 to 2025 in a field experiment in the southern forest-steppe of Omsk region. In terms of moisture availability, 2023 was characterized as dry, while 2024 and 2025 were waterlogged. The object of study was the spring soft wheat of Tarskaya 12 variety (included in State Register of the Russian Federation in 2023). Grain weight per ear, yield and protein content in spring soft wheat grain were strongly directly dependent on the leaf area and the total assimilation surface of plants at the tillering stage (r = 0.817...0.998) and inversely with the accumulation of dry aboveground biomass (r = -0.954...0.999), indicating competition between the accumulation of dry matter in vegetative and generative parts. The obtained results indicate that early spring soft wheat plant growth significantly influenced the development of quality and yield characteristics of Tarskaya 12 variety.

Information about the authors

Petr Nikolaevich Nikolaev, Omsk Agrarian Scientific Center (26, Koroleva Ave., Omsk, 644012, Russian Federation)

Ph.D. of Agricultural Sciences, leading researcher, Head of Forage Crop Breeding Laboratory

Oksana Aleksandrovna Yusova, Omsk Agrarian Scientific Center (26, Koroleva Ave., Omsk, 644012, Russian Federation)

Ph.D. of Agricultural Sciences, leading researcher, Head of Plant Biochemistry and Physiology Laboratory

Natalya Nikolaevna Shuliko, Omsk Agrarian Scientific Center (26, Koroleva Ave., Omsk, 644012, Russian Federation)

Ph.D. of Agricultural Sciences, leading researcher, Head of Microbiology Laboratory

Elena Vasilevna Tukmacheva, Omsk Agrarian Scientific Center (26, Koroleva Ave., Omsk, 644012, Russian Federation)

Ph.D. of Agricultural Sciences, leading researcher of Microbiology Laboratory

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Published

2026-07-22

How to Cite

Nikolaev П. Н., Yusova О. А., Shuliko Н. Н., & Tukmacheva Е. В. (2026). YIELD AND GRAIN QUALITY DEVELOPMENT OF SPRING SOFT WHEAT DEPENDING ON PLANT PHYSIOLOGY: DOI 10.31588/2073-0462-2026-21-1-51-56 УДК / UDC 633.111.1 EDN: KJLJPQ. Vestnik of Kazan State Agrarian University, 21(1). Retrieved from http://vestnik-kazgau.ru/index.php/vestnik/article/view/338

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