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Ecological toxicity of reactive X-3B red dye and cadmium acting on wheat (Triticum aestivum) 被引量:33

Ecological toxicity of reactive X-3B red dye and cadmium acting on wheat (Triticum aestivum)
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摘要 Ecological toxicity of reactive X\|3B red dye and cadmium in both their single form and their combined form on wheat was studied using the experimental method of seed and root exposure. The single factor exposure indicated that the inhibitory rate of wheat root elongation was significantly increased with the increase in the concentration of the dye in the cultural solution, although seed germination of wheat was not sensitive to the dye. The toxicity of cadmium was greatly higher than that of the dye, but low concentration cadmium (<40 mg/L) could promote the germination of wheat seed. Interactive effects of the dye and cadmium on wheat were complicated. There was no significant correlation between the inhibitory rate of seed germination and the concentrations of the dye and cadmium. Low concentration cadmium could strengthen the toxicity of the dye acting on root elongation. On the contrary, high concentration cadmium could weaken the toxicity of the dye acting on root elongation. Ecological toxicity of reactive X\|3B red dye and cadmium in both their single form and their combined form on wheat was studied using the experimental method of seed and root exposure. The single factor exposure indicated that the inhibitory rate of wheat root elongation was significantly increased with the increase in the concentration of the dye in the cultural solution, although seed germination of wheat was not sensitive to the dye. The toxicity of cadmium was greatly higher than that of the dye, but low concentration cadmium (<40 mg/L) could promote the germination of wheat seed. Interactive effects of the dye and cadmium on wheat were complicated. There was no significant correlation between the inhibitory rate of seed germination and the concentrations of the dye and cadmium. Low concentration cadmium could strengthen the toxicity of the dye acting on root elongation. On the contrary, high concentration cadmium could weaken the toxicity of the dye acting on root elongation.
作者 Chen.Y ZhouQX
出处 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2002年第1期136-140,共5页 环境科学学报(英文版)
基金 TheNationalNaturalScienceFoundationofChina(No .2 970 70 0 2 ) the"10 0 talents"ProjectofChineseAcademyofSciencesandtheStudying AbroadReturneeFoundationProjectfromtheEducationMinistry PRC . Correspondingauthor
关键词 ecological toxicity reactive X 3B red dye cadmium combined pollution WHEAT ecological toxicity reactive X 3B red dye cadmium combined pollution wheat
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参考文献16

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