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  • 标题:Interacting influence of cold stratification treatment and osmotic potential on seed germination of Triglochin maritima L
  • 本地全文:下载
  • 作者:Jevgenija Ņečajeva ; Gederts Ievinsh
  • 期刊名称:Environmental and Experimental Biology
  • 印刷版ISSN:1691-8088
  • 出版年度:2007
  • 页码:115-122
  • 出版社:University of Latvia
  • 摘要:Th e e. ect of cold stratifi cation treatment and isoosmotic NaCl and polyethyleneglycol (PEG) concentrations on germination of Triglochin maritima seeds was assessed. Th e highest (400 mM) NaCl concentration caused a signifi cant decrease in germination percentage and no germination was observed at the two highest (64 and 128 mM) PEG concentrations. Th e large di. erence in germination among experiment replications suggests that time of collection and length of storage may have in. uenced germination. Stratifi cation treatment had a signifi cant positive e. ect on seed germination and there was a signifi cant interaction between PEG, but not NaCl, concentration and duration of cold stratifi cation during germination. Further research is required to determine the importance of the degree of seed ripeness as well as the possible e. ect of aft er-ripening or induction of secondary dormancy of undispersed seeds on seed germination
  • 关键词:cold stratifi cation; dormancy; NaCl; polyethyleneglycol; seed germination; ; Triglochin ; maritima
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