VARIABILITY OF SPRING SOFT WHEAT PLANT HEIGHT IN THE MIDDLE VOLGA REGION FOREST-STEPPE CONDITIONS

Authors

  • T. Yu. Taranova Samara Federal Research Scientific Center of RAS, Volga Scientific Research Institute of Selection and Seed-Growing named after P.N. Konstantinov
  • Е. А. Demina Samara Federal Research Scientific Center of RAS, Volga Scientific Research Institute of Selection and Seed-Growing named after P.N. Konstantinov
  • А. I. Kincharov Samara Federal Research Scientific Center of RAS, Volga Scientific Research Institute of Selection and Seed-Growing named after P.N. Konstantinov
  • O. S. Mullayanova Samara Federal Research Scientific Center of RAS, Volga Scientific Research Institute of Selection and Seed-Growing named after P.N. Konstantinov
  • K. Yu. Chekmasova Samara Federal Research Scientific Center of RAS, Volga Scientific Research Institute of Selection and Seed-Growing named after P.N. Konstantinov

DOI:

https://doi.org/10.30850/vrsn/2021/6/45-49

Keywords:

soft spring wheat (Triticum aestivum L.), Middle Volga Region, breeding, variety, plant height, yield, coefficient of variation, sample

Abstract

The results of the study of 250 collection samples of spring soft wheat of various ecological and geographical groups are presented in order to identify the source material that combines optimal plant height and high productivity for the conditions of the forest-steppe zone of the Middle Volga region. The work was carried out in 2017–2020 in the Samara region. The study and evaluation of samples was carried out according to the Methodology of the state variety testing and the methodological recommendations of the VIR. The average height of plants in the samples over the years of research varied within 68.5-109.2 cm, the coefficient of variation of the trait was 11.86-13.72 %. The presence of a positive average and weak correlation between the yield and plant height, regardless of the moisture conditions of the year (r = 0.15-0.47), was revealed. A strong positive relationship was observed between the height of the samples and the following weather factors: precipitation in June (r = 0.94), precipitation during the growing season (r = 0.87), hydrothermal coefficient of June (r = 0.93), hydrothermal coefficient for the growing season (r = 0.83). The highest grain yield was formed by samples from the group of undersized and medium-grown, on average 416 and 428 g/m2, respectively. A number of highly productive varieties were identified: 3 medium-grown samples (105 cm) with a yield of 419.7-435.7 g/m2 and 21 undersized samples (85-102 cm) with an average grain yield of 485.0-585.7 g/m2. Dwarf specimens sample a stable manifestation of short-stemmed growth over the years and high resistance to lodging were noted. According to the research results, it was found that the optimal height of plants for the forest-steppe zone of the Middle Volga region is in the range of 85-105 cm. The selected undersized and medium-grown samples with high grain yield and dwarf samples with high resistance to lodging are recommended for use in breeding programs of the region and places with similar conditions.

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Published

2021-12-03

Issue

No. 6 (2021): November-December

Section

AGRONOMY

How to Cite

Taranova, T. Y., Demina Е. А., Kincharov А. I., Mullayanova, O. S., & Chekmasova, K. Y. (2021). VARIABILITY OF SPRING SOFT WHEAT PLANT HEIGHT IN THE MIDDLE VOLGA REGION FOREST-STEPPE CONDITIONS. Vestnik of the Russian Agricultural Science, 6, 45-49. https://doi.org/10.30850/vrsn/2021/6/45-49