Effects of copper mine tailings on growth and development and physiological function of wheat

Abstract

Abstract: Through pot culture experiments,the effects of Tonling copper mine tailings on growth, development, physiological function of wheat were investigated in this paper.The results showed that the seeds of wheat could germinate in copper mine tailings,but seed germination percentage, germination rate were lower than that in control.High ratio tailings decreased seedling height.Tailings decreased chlorophyll contents,but didn't effect on chlorophyll a/b.Compared with control,tailings significantly inhibited root growth, decreased root number.Tailings increased root, shoot biomass, significantly increased root/shoot ratio of wheat.The permeability of cell membrane, the free proline content in leaves of wheat increased with the increase of the ratio of tailings, they were relative tolerance index of wheat to copper tailings stress.

CLC Number:

X171.5

LIU Dengyi, XIE Jianchun, YANG Shiyong, SHEN Hao . Effects of copper mine tailings on growth and development and physiological function of wheat[J]. Chinese Journal of Applied Ecology, 2001, (1): 126-128.

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