Effects of salt and water stress on seed germination of Limonium
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DOI：10.7606/j.issn.1000-7601.2008.04.32
Key Words: L. gmelinii  L. otolepis  salt stress  water stress  germination  germination recovery
Author NameAffiliation
LIU Ping Institute of Cotton Agricultural Techniques Extension Center Xinjiang Agricultural Reclamation Academy of Science,Shihezi 832000,China 
ZHOU Lingling College of Bio-science Shihezi University,Shihezi 832000,China 
WANG Jun Institute of Cotton Agricultural Techniques Extension Center Xinjiang Agricultural Reclamation Academy of Science,Shihezi 832000,China 
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Abstract:
      Seeds of L. gmelinii and L. otolepis were germinated9days at different temperature regimes in different concentration of NaCl solution and iso-osmotic PEG6000．According to the germination rate germination potential germination index and the germination recovery percentage of seeds that were incubated in NaCl and PEG6000solutions for9days recovered after being transferred to distilled water．A conclusion could be drawn that a temperture regime of 15℃ at night and 25℃ in day time yielded optimal germination rate．Germination rate was the highest in the distilled water．The germination rate germination potential and germination index increased along with the reducing of NaCl and iso-osmotic PEG6000 concentrations which had inhibitory effect on the germination of seeds．The inhibitory level of PEG6000was as much as that of iso-osmotic NaCl．
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