Original scientific paper

CHARACTERIZATION OF CADMIUM UPTAKE BY ROOTS OF DURUM WHEAT PLANTS

LYUBKA Koleva orcid.org/0000-0002-7087-0891 ; Dept. Plant Physiology and Biochemistry, Agricultural University of Plovdiv, 12 Mendeleev St., 4000 Plovdiv, Bulgaria
DONKA Staneva ; Radioisotope lab, Institute of Soil Science and Ecology, 7 Shousse Bankya St., Sofia, Bulgaria
IVANKA Yordanova ; Radioisotope lab, Institute of Soil Science and Ecology, 7 Shousse Bankya St., Sofia, Bulgaria
TSVETANKA Bineva ; Radioisotope lab, Institute of Soil Science and Ecology, 7 Shousse Bankya St., Sofia, Bulgaria
ANDON Vassilev orcid.org/0000-0002-2485-1673 ; Dept. Plant Physiology and Biochemistry, Agricultural University of Plovdiv, 12 Mendeleev St., 4000 Plovdiv, Bulgaria

Abstract

Root Cd uptake of durum wheat plants (cv. Beloslava) was characterized in hydroponics conditions. The uptake experiments have been performed in Cd concentration range of 0 – 2 μM adjusted by both stable Cd and radiolabeled (109Cd) tracer. Cd removal from the solution over duration of 1 hour reached 50%. The part of loosely adsorbed Cd ions on root surface accounted for about 20%. Over 30% of absorbed Cd at 0.5 μM Cd treatment was retained in root cell walls. The apparent root Cd accumulation showed concentration-dependant tendency with the highest accumulation
value of 7.45 nmol Cd g FW-1.

Keywords

cadmium; 109Cd; durum wheat; uptake

Hrčak ID:

35404

URI

https://hrcak.srce.hr/35404

Publication date:

28.11.2008.

Article data in other languages: bulgarian

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