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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (6): 1711-1716    DOI: 10.7522/j.issn.1000-694X.2013.00135
Biology and Soil     
Effects of Water Supply and Sand Burial on Seed Germination and Seedling Emergence of Four Psammophytes
HE Yu1, DING Guo-dong1, WANG Xiao-feng2, LI Jia-guo2, XIAO Meng1
1.School of Soil and Water Conservation/Ministry of Education, Key Laboratory of Soil and Water Conservation and Combating Desertification, Beijing Forestry University, Beijing 100083, China;
2.School of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China
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Abstract  

The effects of water supply and sand burial on seed germination and seedling emergence of four psammophytes were experimented. The results showed that Bassia dasyphylla preferred water in the process of seed germination and seedling emergence. The seed germination rate of Bassia dasyphylla increased with increasing soil moisture. The most suitable water content for the seed of  Artemisia ordosica, Ammopiptanthus mongolicus and Hippophae rhamnoides to germinate was 15%~20%. Seed germination rate reduced when encountered with drought or over moist enviroments. Sand burial depth had significant effect on seed germination and seedling emergence. The seed germination rate of Bassia dasyphylla reached the highest with no burial. The most suitable sand burial depth for Artemisia ordosica, Ammopiptanthus mongolicus and Hippophae rhamnoides were 0.5 cm,1.0 cm and 1.0 cm respectively.

Key words:  psammophyte      seed germination      seedling emergence      soil moisture      sand burial depth     
Received:  12 November 2012      Published:  09 January 2012
ZTFLH:  Q945.3  

Cite this article: 

HE Yu1, DING Guo-dong1, WANG Xiao-feng2, LI Jia-guo2, XIAO Meng1. Effects of Water Supply and Sand Burial on Seed Germination and Seedling Emergence of Four Psammophytes. JOURNAL OF DESERT RESEARCH, 2013, 33(6): 1711-1716.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00135     OR     http://www.desert.ac.cn/EN/Y2013/V33/I6/1711

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