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  • Title: [Effects of soil HHCB and Cd contamination on the growth of wheat seedlings (Triticum aestivum) and the pollutants accumulation in plants].
    Author: Chen CH, Zhou QX, Zhang ZN, Cai Z.
    Journal: Huan Jing Ke Xue; 2011 Feb; 32(2):567-73. PubMed ID: 21528585.
    Abstract:
    Using outdoor pot-culture experiment,biomasses of wheat seedlings and accumulation of HHCB and/or Cd in parts of wheat seedlings cultured in alluvial soil and cinnamon soil were investigated. The biomasses of wheat seedlings in different treatments followed the order as single HHCB treatment > HHCB and Cd treatment > single Cd treatment. The accumulation of HHCB in wheat seedlings cultured in alluvial soil was more than that in cinnamon soil, and effect of Cd on accumulation of HHCB in wheat seedlings cultured in alluvial soil was different to that in cinnamon soil. In alluvial soil, the accumulation of HHCB in different parts of wheat seedlings followed the sequence that root > stem > leaf. Cd significantly induced the accumulation of HHCB in wheat roots, but inhibited that of HHCB in wheat stems and leaves, and the highest inhibition rate was 44.07%. In cinnamon soil, the accumulation of HHCB in different parts of wheat seedlings followed the sequence that root > leaf > stem. The effect of Cd on accumulation of HHCB in wheat roots was not significant, but the median and high concentrations of Cd induced accumulation of HHCB in wheat stems and leaves significantly, and the highest induction rate was 35.95%. Besides, the accumulation of Cd in alluvial soil was lower than that in cinnamon soil, and HHCB could significantly induce the accumulation of Cd in wheat seedlings cultured in two different soils. The increasing rates of Cd accumulation in roots, stems and leaves in alluvial soil were 30.84%, 61.82% and 61.82%, and those in cinnamon soil were 41.53%, 184.16% and 206.18%, respectively. It is indicated that HHCB in cinnamon soil induced more accumulation of Cd in wheat seedlings than that in alluvial soil.
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