Biological Systems: Theory and Innovation

The influence of microbiological inoculates on plant development in covering mixture

Tetiana Khomenko, Viktoriia Kuzmych, Maryna Savchuk, Oksana Taran, Oksana Balisevych
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Abstract

The study investigated seed germination, and plant development of a covering mixture consisting of 40% of spring vetch seeds and other crops under the influence of microbiological inoculants, namely Mycofriend-T and Bioinoculant-BTU-T. It was found that Mycofriend-t on bioinoculant-treated seeds of phacelia, long-stem flax, Sudan grass, and Alexandrian clover stimulated the germination of all crops in the mixture. The germination of the treated seeds increased by 2.5-5% compared to the control. The most significant increase in germination was found in spring vetch when treated with a complex of biological preparations – 7%. When treated with the microbial Mycofriend-t, the germination of seeds of this crop increased by 5%. The linear dimensions of the aboveground part of most plants of the mixture also increased by 10-40% compared to the control, depending on the crop. In the underground part of the plants, the linear dimensions also increased by 6-53% compared to the control, depending on the plant species. The total fresh weight of the aboveground part of plants when using Mycofriend-T and the bioinoculant complex increased by 60% and 59%, respectively, demonstrating the stimulating effect of the inoculant agents on the development of plants' leaf surface and stem. However, the most significant increase in fresh weight was found when analysing the data of the underground part of plants: when using Mycofriend-T + Bioinoculant-BTU-T, this indicator increased by 104%, while when using only the microbial Mycofriend-T, the increase was 43% compared to the control. The positive influence of bioinoculants on the functioning of the photosynthetic apparatus of Sudan grass plants was established. These research findings are important for farmers because they demonstrate how to improve the growth and physiological properties of cover crops, which perform many important functions for the soil and main crops

Keywords

Trichoderma harzianum; arbuscular fungi; Rhizophagus irregularis (Glomus); nodule bacteria; cover crops

Suggested citation
Khomenko, T., Kuzmych, V., Savchuk, M., Taran, O., & Balisevych, O. (2025). The influence of microbiological inoculates on plant development in covering mixture. Biological Systems: Theory and Innovation, 16(1), 10-21. https://doi.org/10.31548/biologiya/1.2025.10
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