Volume 12 Issue 3
Sep.  1999
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GUO Dong-sheng, XI YU-YING, WANG Ai-ying, ZHANG JUN, YUAN XIAO-YING. Contribution of an Auxin to the Uptake of Nickel and Cadmium in Maize Seedlings[J]. Biomedical and Environmental Sciences, 1999, 12(3): 170-176.
Citation: GUO Dong-sheng, XI YU-YING, WANG Ai-ying, ZHANG JUN, YUAN XIAO-YING. Contribution of an Auxin to the Uptake of Nickel and Cadmium in Maize Seedlings[J]. Biomedical and Environmental Sciences, 1999, 12(3): 170-176.

Contribution of an Auxin to the Uptake of Nickel and Cadmium in Maize Seedlings

  • Maize seedlings were cultured in nickel or cadmium contaminated sand treated with α-naphthylacetic acid (NAA). The effects of NAA on nickel and cadmium uptake in roots, shoots, and subcellular fractions (cell wall, nuclei and remained parts of seedling cells) were determined. The data showed growth promotion when NAA was applied at low concentrations and inhibition at high concentrations. Uptake of nickel and cadmium content increased concurrently in roots and shoots. In the subcellular fraction, nickel and cadmium was greatest in the cell wall. The changes in growth had greatest correlation with nickel and cadmium content in the subcellular fraction.
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Contribution of an Auxin to the Uptake of Nickel and Cadmium in Maize Seedlings

Abstract: Maize seedlings were cultured in nickel or cadmium contaminated sand treated with α-naphthylacetic acid (NAA). The effects of NAA on nickel and cadmium uptake in roots, shoots, and subcellular fractions (cell wall, nuclei and remained parts of seedling cells) were determined. The data showed growth promotion when NAA was applied at low concentrations and inhibition at high concentrations. Uptake of nickel and cadmium content increased concurrently in roots and shoots. In the subcellular fraction, nickel and cadmium was greatest in the cell wall. The changes in growth had greatest correlation with nickel and cadmium content in the subcellular fraction.

GUO Dong-sheng, XI YU-YING, WANG Ai-ying, ZHANG JUN, YUAN XIAO-YING. Contribution of an Auxin to the Uptake of Nickel and Cadmium in Maize Seedlings[J]. Biomedical and Environmental Sciences, 1999, 12(3): 170-176.
Citation: GUO Dong-sheng, XI YU-YING, WANG Ai-ying, ZHANG JUN, YUAN XIAO-YING. Contribution of an Auxin to the Uptake of Nickel and Cadmium in Maize Seedlings[J]. Biomedical and Environmental Sciences, 1999, 12(3): 170-176.

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