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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (6): 1717-1722    DOI: 10.7522/j.issn.1000-694X.2013.00256
Biology and Soil     
Sensitivity to Drought Stress of the Germination and Seedling Growth of Caragana korshinskii from Seeds Treated with Electric Field
YANG Ti-qiang1, ZHU Hai-ying1, HUA Hong-xu2, LIU Yao1, HU Yan-fei1, WANG Zheng3
1.School of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China;
2.Zaozhuang University, Zaozhuang 277160, Shandong, China;
3.College of Life Science, Inner Mongolia University, Hohhot 010021, China
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Abstract  

Caragana korshinskii seeds were exposed to different electric fields (frequency from 8 to 17 kHz, electric field from 1 to 4 kV·cm-1)for 5 min, some electric field conditions which had a significant influence to the seed germination were selected. Then the seeds were treated by the selected conditions, the sensitivity to drought stress was studied for the germination and seedlings growth. The results show that there are different effects on the germination and seedlings in different electric condition. Whether it is to select the frequency or the strength of electric field, the significant effects on seeds occur in the appropriate frequency and strength of electric field. The results also show that the increasing amount of malondialdehyde and the of superoxide dismutase and peroxidase activity become smaller under drought stress when the seeds were treated by appropriate electric field. The electric treatment could be used to enhance the germination and seedlings growth to tolerate drought stress.

Key words:  electric field      seeds      seedling      drought resistance      Caragana korshinskii     
Received:  22 October 2012      Published:  27 November 2012
ZTFLH:  Q945.79  

Cite this article: 

YANG Ti-qiang1, ZHU Hai-ying1, HUA Hong-xu2, LIU Yao1, HU Yan-fei1, WANG Zheng3. Sensitivity to Drought Stress of the Germination and Seedling Growth of Caragana korshinskii from Seeds Treated with Electric Field. JOURNAL OF DESERT RESEARCH, 2013, 33(6): 1717-1722.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00256     OR     http://www.desert.ac.cn/EN/Y2013/V33/I6/1717

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