Arid
DOI10.1016/j.flora.2015.12.001
Influence of temperature and salinity on the germination of Limonium tabernense Erben from Tabernas Desert (Almeria, SE Spain)
Delgado Fernandez, Isabel C.; Gimenez Luque, Esther; Gomez Mercado, Francisco; Pedrosa, Wladimiro
通讯作者Gomez Mercado, Francisco
来源期刊FLORA
ISSN0367-2530
EISSN1618-0585
出版年2016
卷号218页码:68-74
英文摘要

The effects of salinity, temperature and their interactions on germination were evaluated for Limonium tabernense Erben, a halophytic perennial endemic plant, which grows in arid environmental conditions in the Tabernas Desert (SE Spain). Experiments were conducted to determine the effects of different salinities (0, 100, 200 and 400 mM NaCl) on seed germination under different temperature regimes (20/10, 25/15, 30/20 and 35/25 degrees C), both in a 14/10 h light and dark photoperiod. Germination was substantially delayed and significantly reduced by increasing NaCl levels. Maximum germination occurred in the lowest saline media (100 mM NaCl) and distilled water (0 mM NaCl) at the temperature 20/10 degrees C. No seeds germinated at concentrations higher than 200 mM NaCl at highest temperature (35/25 degrees C). Increasing salinity delayed the beginning and ending of germination, reduced final germination percentage and increased mean time to germination. The interactive effect of temperature and salinity on final germination and germination rate was significant, indicating that the germination response to salinity depend on temperature. Seeds recovered their germination capacity after transfer from saline solutions to distilled water. Germination recovery was affected by salinity, temperature and their interaction. (C) 2015 Elsevier GmbH. All rights reserved.


英文关键词Seed germination Halophyte Arid habitat Recovery Salt desert
类型Article
语种英语
国家Spain
收录类别SCI-E
WOS记录号WOS:000370456800010
WOS关键词HALOXYLON-AMMODENDRON ; LIGHT ; GROWTH ; SEEDS ; HALOPHYTES ; RESPONSES ; THERMOPERIOD ; ADAPTATION ; STRATEGIES ; TOLERANCE
WOS类目Plant Sciences ; Ecology
WOS研究方向Plant Sciences ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/192948
作者单位Univ Almeria, Dpto Biol & Geol, E-04120 Almeria, Spain
推荐引用方式
GB/T 7714
Delgado Fernandez, Isabel C.,Gimenez Luque, Esther,Gomez Mercado, Francisco,et al. Influence of temperature and salinity on the germination of Limonium tabernense Erben from Tabernas Desert (Almeria, SE Spain)[J],2016,218:68-74.
APA Delgado Fernandez, Isabel C.,Gimenez Luque, Esther,Gomez Mercado, Francisco,&Pedrosa, Wladimiro.(2016).Influence of temperature and salinity on the germination of Limonium tabernense Erben from Tabernas Desert (Almeria, SE Spain).FLORA,218,68-74.
MLA Delgado Fernandez, Isabel C.,et al."Influence of temperature and salinity on the germination of Limonium tabernense Erben from Tabernas Desert (Almeria, SE Spain)".FLORA 218(2016):68-74.
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