Use of new bacterial and fungal strains and their associations in spring wheat cultivation technology
https://doi.org/10.31677/2072-6724-2025-75-2-99-105
Abstract
The research was carried out in 2020–2023. at the Federal State Budgetary Institution FANTS of the North-East. For the first time, data have been obtained on the efficiency of new fungal and bacterial strains of microorganisms with phytoregulatory, fungicidal and immunomodulatory properties and methods of their application in the cultivation of spring wheat. Field studies were conducted on plots of 1 m2 in 4-fold replication. For the first time, information has been obtained on the efficiency of using new fungal (Trichoderma spр., pcs. K-01P) and bacterial (Fischerellamuscicola (Thur.) Gom., pcs. 300) strains in the cultivation of spring wheat of the Bazhenka variety. For this purpose, monoculture strains of microorganisms and their binary mixtures were used once (seed inoculation) and twice (seed inoculation and treatment of crops in the tillering phase). Comparison of experimental data was carried out with the control (without inoculation) and the standard (biopreparation Trichocin). The selective effect of Trichoderma spр. and F. muscicola strains and methods of their application on the phytosanitary condition of crops and the yield of the Bazhenka variety was revealed. Effective biocontrol of root rot is possible with their double application (seed inoculation and crop treatment) both as a monoculture and a binary mixture. In these variants, the number of affected plants decreased by 10.3–11.4 % in relation to the control and by 5.9–7.0% – to the standard (at HSR05 = 5.3). A higher fungicidal activity of the studied strain K-01P than that of the standard drug Trichocin was found, which increases its prospects as a target bioagent. The studied strains are also effective in protecting against septoria at a low level of disease development. Increased resistance to fungal diseases also had a positive effect on the production process. The highest yield (on average 245.7 g/m2 ) was obtained when treating seeds and crops with a binary mixture of Trichoderma spр.+ F. muscicola, which is 38.1 g/m2 higher than the control and 28.3 g/m2 higher than the standard (with HSR05 = 30.3).
About the Authors
T. K. Sheshegova
Federal Agricultural Research Center of the North-East named N.V. Rudnitsky
Russian Federation
Russian Federation
Doctor of Biological Sciences
Kirov
L. M. Shchekleina
Federal Agricultural Research Center of the North-East named N.V. Rudnitsky
Russian Federation
Russian Federation
Candidate of Agricultural Sciences
Kirov
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Review
For citations:
Sheshegova T.K., Shchekleina L.M. Use of new bacterial and fungal strains and their associations in spring wheat cultivation technology. Bulletin of NSAU (Novosibirsk State Agrarian University). 2025;(2):99-105. (In Russ.) https://doi.org/10.31677/2072-6724-2025-75-2-99-105
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