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离子注入对三角叶滨藜种子萌发及愈伤组织的影响(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2001年06期
Page:
23-26
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Effects of N~+ Ar~+ Zn~(2+) Ion Implanation on Seed Germination and Calli Growth of Atriplex Triangularis
Article ID:
1000-2006(2001)06-0023-04
Author(s):
LI Yang1QIN Pei1XIE Min1 LI Guo-qing2 MOU Zhong-xin2 SHE Jian-min3CAI Xiao-ning
1. Nanjing University, Nanjing 210093 ,China;2. State Key Laboratory of Three Beam Materials Dalian University of Science & Technology, Dalian 116024 ,China ; 3. Jiangsu Academy of Agricultural Sciences, Nanjing 210095 ,China
Keywords:
Atriplex triangularisCalliIon implantation Seed germination Activity of enzyme
Classification number :
*
DOI:
10.3969/j.jssn.1000-2006.2001.06.006
Document Code:
A
Abstract:
Atriplex triangularis , a kind of halophyte species, was used as experimental material. Effects of growth of their calli and activities of their superoxide dismutase(SOD) catalase(CAT)and peroxidase(POD)were investigated. The results showed that the rate of seed germination by N+ , Ar+ , Zn2+ implantation were different from that of control. The rate of seed germination were 28. 6% , 34. 8% and 11.1% when the energy of N+ implanted were 30,45 and 60 kV, respectively. The higher the energy of Zn2+ treated showed, the lower the rate of seed germination would be. Effects of the dif- ferent treatment energy of Ar+ on the rate of seed germination were not obvious. After the treatment of N+ , Ar+ , Zn2+ ,the seeds of Atriplex triangularis were induced into sterile seedlings,then the ster- ile seedlings were induced into calli,and activities of SOD,POD and CAT in calli took apparent chan- ges. The activities of SOD,POD and CAT by N+ ,Ar+ treatment were lower than those of control;the activity of SOD by Zn2+ treatment was much higher than those of control. Moreover, the sterile seed- lings by Zn2+ treatment grow vigorously,the growth of their calli was comparatively slow.

References

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Last Update: 1900-01-01