Impact or Cd on growth and nutrient accumulation or different plant species

Abstract

Abstract: Asolution culture with cabbage, ryegrass, maize and white clover showed that their growthrate and dry matter yield decreased with increasing Cd²⁺ activity. The tolerance towards Cd²⁺changed in folowing sequence: cabbage > ryegrass > maize > white clover. For the plant speciestested, Cd²⁺ decreased their accumulation of Fe, Mn, Cu. Zn, Ca and Mg, but increased Paccurnulatbo. All species except cabbage had an increased Saccumulation. The difference of cabbage and white clover in sensitivity to Cd toxicity was strongly related to their different accumulation of Fe, Mn, Ca and Mg under the impact of Cd²⁺.

Key words: Cd²⁺, Growth, Nutrient accumulation

Yang Mingjie, Lin Xianyong, Yang Xiaoe. Impact or Cd on growth and nutrient accumulation or different plant species[J]. Chinese Journal of Applied Ecology, 1998, 9(1): 89-94.

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