Abstract
The autecological properties of Trichoderma fungi ecotypes isolated from the leached chernozem of the forest-steppe zone of the European part of Russia have been studied. We were the first who carried out the complex study of the synecological relations of micromycetes of such kinds in a system including the soil, microbial community, and plants, i.e., their relations with soil saprotrophic fungi, bacteria, actinomycetes, plants, and pathogenic fungi.
It was shown that the ecological plasticity of the Trichoderma genus in the soil of this zone is determined by its growth rate, the optimum pH and temperature, the biosynthesis of extracellular hydrolytic enzymes, the biological action of mycotoxins, and the ability for parasitism. The efficiency of the introduction of Trichoderma species typical and atypical for the leached chernozem into this soil and their influence on the structure of the microbial community were evaluated.
The T. pseudokoningii ecotype, which produces cellulolytic enzymes, is very promising for industrial biotechnology, and the T. harzianum ecotype can be used in soil biotechnology for the biocontrol of chernozem. The addition of a commercial trichodermin preparation into the chernozem damages the structure of its microbial community.
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Original Russian Text © I.D. Svistova, T.Yu. Senchakova, 2010, published in Pochvovedenie, 2010, No. 3, pp. 342–348.
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Svistova, I.D., Senchakova, T.Y. Ecological plasticity of Trichoderma fungi in leached chernozem. Eurasian Soil Sc. 43, 314–320 (2010). https://doi.org/10.1134/S1064229310030099
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DOI: https://doi.org/10.1134/S1064229310030099