Comparative Study of the Rhizospheric Microflora of Sunflower Cultivars Helianthus annuus (Asteráceae, Magnoliópsida) Grown on Soils with Anthropogenic Polyelemental Anomalies
Abstract:In a laboratory pot experiment, two mutant cultivars of sunflower (Helianthus annuus cv. r2p2 and Helianthus annuus cv. r5n1) were grown on soils with anthropogenic polyelemental anomalies and on a background control soil, and a comparative analysis of their rhizospheric microflora was carried out. The numbers of soil bacteria, actinomycetes and micromycetes, as well as the numbers of rhizospheric microorganisms resistant to Zn2+, Pb2+, and Cu2+ ions were estimated in the rhizosphere of sunflower cultivars. Qu… Show more
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