Effect of chromium VI on mineral element composition of bush beans

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Abstract

Bush beans (Phaseolus vulgaris L. cv Contender) were grown on perlite with nutrient solution and 0, 1, 2.5 and 5 ppm levels of Na2Cr04. Significant decrease of top growth and chlorosis in trifoliated leaves were observed for 2.5 and 5 ppm Cr, with Cr concentrations (μg/g) in tops: 12.1, in roots:509.9. Cr decreased K, Na, Mg and Fe concentrations, and increased P and Mn concentrations in roots. In tops decreased N, K, Na and Fe concentrations and increased Mn and Ca concentrations were observed. Translocation of P, Zn, Cu and Fe was inhibited; Ca and Mn translocation was generally enhanced. P/Fe ratio was increased up to 60% in chlorotic plants, indicating a shift from Fe2+ to Fe3+. © 1985, Taylor & Francis Group, LLC. All rights reserved.
Original languageEnglish
Pages (from-to)211-217
JournalJournal of Plant Nutrition
Volume8
DOIs
Publication statusPublished - 1 Mar 1985

Keywords

  • Chromium VI
  • nutrient interactions
  • toxicity

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