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Updated: Jul 18, 2026

Isolation and Analysis of Microbial Communities in Soil, Rhizosphere, and Roots in Perennial Grass Experiments
Published on: July 24, 2018
[Variety-specific actinomycete complexes associated with barley roots in soddy podzolic soil]
I G Shirokikh1, A A Shirokikh, N A Rodina
1Rudnitskii Research Institute of Agriculture in Northeastern Russia, Russian Academy of Agricultural Sciences, ul. Lenina 166a, Kirov, 610007 Russia.
Abstract:
The root-colonizing actinomycete complexes of genotypically different barley plants grown in soddy podzolic soil were found to contain streptomycetes of the sections Cinereus (series Chromogenes, Achromogenes, and Aureus) and Roseus (series Fradiae), dominant being streptomycetes of the section Cinereus ser. Chromogenes. The abundance and diversity of soil streptomycetes in the barley rhizoplane increased in the order: var. 999-93 < var. Kumir < var. Novichok < var. 889-93. Experiments revealed functional specificity in the root-associated actinomycete complexes of different barley varieties. The actinomycete complex colonizing the barley var. 999-93 roots was distinguished by a wide range of utilizable root exudate metabolites and a low occurrence rate of antagonistic species.
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