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Influence of seed bacterization on the structure of microbocenosis of the southern Chernozem rhizosphere when growing Linum usitatissimum L.

Scientific work is aimed at developing biotechnology for growing biologically safe products of Linum usitatissimum L. This research presents the study of the structure of microbocenosis in the rhizosphere of Linum usitatissimum L. under the influence of seed bacterization with new multifunctional cyanobacteria forms under conditions of southern Chernozem. In 2017, pre-sowing seed bacterization with strain Nostoc linckia 144 increased the number of aminotrophs by 1.4 times at the beginning of plant vegetation; in 2018 – by 3.3 times during their final stages of maturity. The number of micromycetes was tripled to the end of flax vegetation compared to control. In 2017, bacterization of seeds with a homogenate based on the strain Nostoc linckia 144 contributed to a 1.4-fold increase in the number of cellulose-decomposing microorganisms by the closing stages of the vegetation period.