摘要
The function of Nd^(3+) with different concentrations in oilseed rape under Ca-deficiency was studied. The results indicate that the root surface-area of rape which treated with 3 μmol·L^(-1) Nd(NO_3)_3 is enlarged, and the taproot length, root dry weight and root CEC all increase as well as roots oxidizing capacity. Nd^(3+) can replace Ca^(2+) partially, and the replacement action is embodied likely through plasmolemma Ca^(2+)-ATPase with signal transduction pathway. Nd^(3+) shows mainly its toxic action under high concentration (60 μmol·L^(-1)).
The function of Nd^(3+) with different concentrations in oilseed rape under Ca-deficiency was studied. The results indicate that the root surface-area of rape which treated with 3 μmol·L^(-1) Nd(NO_3)_3 is enlarged, and the taproot length, root dry weight and root CEC all increase as well as roots oxidizing capacity. Nd^(3+) can replace Ca^(2+) partially, and the replacement action is embodied likely through plasmolemma Ca^(2+)-ATPase with signal transduction pathway. Nd^(3+) shows mainly its toxic action under high concentration (60 μmol·L^(-1)).
基金
ProjectsupportedbytheNationalNaturalScienceFoundationofChina ( 3 9670 42 2 )
