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Abundance and structure of actinomycete complexes in the rhizosphere of winter rye, oats, and red clover

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Abstract

Actinomycete complexes were studied in the rhizosphere of three crop species using luminescence microscopy and plating. The concentration of the total prokaryotic biomass and the length of actinomycete mycelium proved higher in the rhizosphere than in root-free soil. Actinomycetes in the rhizosphere of oats (Avena sativa L.), winter rye (Secale cereale L.), and red clover (Trifolium pratense L.) were represented by the genera Streptomyces and Micromonospora and oligosporous species. The length and biomass of actinomycete mycelium proved to decrease while the generic diversity increased in the following sequence: winter rye—oats—red clover. Increasing soil suppression and plant resistance to phytopathogens using mycelial prokaryotes is discussed in the context of environmental safety.

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Original Russian Text © I.G. Shirokikh, G.M. Zenova, O.V. Mersaeva, E.V. Lapigina, L.V. Lysak, 2006, published in Izvestiya Akademii Nauk, Seriya Biologicheskaya, 2006, No. 4, pp. 496–501.

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Shirokikh, I.G., Zenova, G.M., Mersaeva, O.V. et al. Abundance and structure of actinomycete complexes in the rhizosphere of winter rye, oats, and red clover. Biol Bull Russ Acad Sci 33, 404–408 (2006). https://doi.org/10.1134/S1062359006040133

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  • DOI: https://doi.org/10.1134/S1062359006040133

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