Seed Germination of Five Turf Grasses under Cadmium Stress

YANG Jing; ZHANG Xiao-rong; LU Song

doi:10.16779/j.cnki.1003-5508.2017.04.004

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Volume 38 Issue 4

Nov. 2019

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Article Navigation > Journal of Sichuan Forestry Science and Technology > 2017 > 38(4): 15-20,24

YANG Jing, ZHANG Xiao-rong, LU Song. Seed Germination of Five Turf Grasses under Cadmium Stress[J]. Journal of Sichuan Forestry Science and Technology, 2017, 38(4): 15-20,24. doi: 10.16779/j.cnki.1003-5508.2017.04.004

Citation:

YANG Jing, ZHANG Xiao-rong, LU Song. Seed Germination of Five Turf Grasses under Cadmium Stress[J]. Journal of Sichuan Forestry Science and Technology, 2017, 38(4): 15-20,24. doi: 10.16779/j.cnki.1003-5508.2017.04.004

Seed Germination of Five Turf Grasses under Cadmium Stress

doi: 10.16779/j.cnki.1003-5508.2017.04.004

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Chengdu Huayang High School, Chengdu 610213, Sichuan, China;Sichuan Natural Resources Science Academy, Chengdu 610015, Sichuan, China

Received Date: 2017-04-11

Abstract

In this article,tests were conducted on the seed germination of five kinds of turf grass under Cadmium stress.Comparisons were made on the changes of germination rate, germination index and toxicity rate of Trifolium repens,Medicago sativa,Cynodon dactylon,Zoysia japonica and Zoysia matrella under different concentrations of Cd²+ treatments. The results showed that higher Cd²+ concentration decreased the seeds germination rate,and increased the toxicity rate.The germination index showed a decreasing tendency to all grasses on the whole. The tolerance to Cd²+ successively diminished for Zoysia matrella,Zoysia japonica,Trifolium repens,Medicago sativa,and Cynodon dactylon. The low concentration of Cadmium treatment promoted the germination of Zoysia matrella. The study provided reference for the seed selection of turf grass in reducing Cd²+ pollution, and also laid a foundation in the study of the defense mechanism for turf grass under heavy metal stress.
- Turf grass;
- Cadmium stress;
- Seed germination
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Seed Germination of Five Turf Grasses under Cadmium Stress

doi: 10.16779/j.cnki.1003-5508.2017.04.004

Chengdu Huayang High School, Chengdu 610213, Sichuan, China;Sichuan Natural Resources Science Academy, Chengdu 610015, Sichuan, China

Received Date: 2017-04-11

Key words:

Abstract: In this article,tests were conducted on the seed germination of five kinds of turf grass under Cadmium stress.Comparisons were made on the changes of germination rate, germination index and toxicity rate of Trifolium repens,Medicago sativa,Cynodon dactylon,Zoysia japonica and Zoysia matrella under different concentrations of Cd²+ treatments. The results showed that higher Cd²+ concentration decreased the seeds germination rate,and increased the toxicity rate.The germination index showed a decreasing tendency to all grasses on the whole. The tolerance to Cd²+ successively diminished for Zoysia matrella,Zoysia japonica,Trifolium repens,Medicago sativa,and Cynodon dactylon. The low concentration of Cadmium treatment promoted the germination of Zoysia matrella. The study provided reference for the seed selection of turf grass in reducing Cd²+ pollution, and also laid a foundation in the study of the defense mechanism for turf grass under heavy metal stress.