Arid
DOI10.2111/1551-5028(2007)60[401:SGSODB]2.0.CO;2
Seed germination strategies of Desmostachya bipinnata: A fodder crop for saline soils
Gulzar, Salman; Khan, M. A.; Liu, Xiaoling
通讯作者Khan, M. A.
来源期刊RANGELAND ECOLOGY & MANAGEMENT
ISSN1550-7424
EISSN1551-5028
出版年2007
卷号60期号:4页码:401-407
英文摘要

Desmostachya bipinnata (L.) Stapf. (Poaceae), or drub, a perennial grass of near-coastal and inland deserts, is a potential fodder crop for either saline soils or where only brackish water is available for irrigation. The responses of D. bipinnata seeds under various salinity (0, 100, 200, 300, 400, and 500 mM NaCl), temperature (10 degrees-20 degrees, 15 degrees-25 degrees, 20 degrees-30 degrees, and 25 degrees-35 degrees C) and light (12:12-h dark:light and 24-h dark) regimes were investigated. All seeds germinated under nonsaline conditions, however, increase in salinity resulted in a progressive decrease in germination, and few seeds germinated at 500 mM NaCl. Change in temperature had little effect on seed germination under nonsaline conditions, however, seed germination was inhibited under cooler saline conditions. The germination under saline conditions improved at warmer temperature regimes. Seed germination under nonsaline control in dark was similar to those of seeds germinated in light. However, at high salinities, seed germination was substantially inhibited in dark in comparison to those germinated in light. When ungerminated seeds were transferred to distilled water they germinated immediately, and those from higher salinity and temperature regimes had higher recovery. The ability of seeds to germinate over a range of salinity and temperature regimes suggests possibilities for sustainable use of this species as a cash crop in saline soils.


英文关键词grass halophyte Karachi light recovery temperature
类型Article
语种英语
国家Pakistan ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000248348000008
WOS关键词GRASS AELUROPUS-LAGOPOIDES ; SALT TOLERANCE ; SPARTINA-ALTERNIFLORA ; LIMONIUM-STOCKSII ; EARLY GROWTH ; TEMPERATURE ; LIGHT ; HABITATS ; THERMOPERIOD ; HALOPHYTES
WOS类目Ecology ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/155843
作者单位(1)Univ Karachi, Dept Bot, Karachi 75270, Pakistan;(2)Chinese Acad Sci, Inst Genet & Dev Biol, Ctr Agr Resources Res, Shijiazhuang 050021, Hebei, Peoples R China
推荐引用方式
GB/T 7714
Gulzar, Salman,Khan, M. A.,Liu, Xiaoling. Seed germination strategies of Desmostachya bipinnata: A fodder crop for saline soils[J],2007,60(4):401-407.
APA Gulzar, Salman,Khan, M. A.,&Liu, Xiaoling.(2007).Seed germination strategies of Desmostachya bipinnata: A fodder crop for saline soils.RANGELAND ECOLOGY & MANAGEMENT,60(4),401-407.
MLA Gulzar, Salman,et al."Seed germination strategies of Desmostachya bipinnata: A fodder crop for saline soils".RANGELAND ECOLOGY & MANAGEMENT 60.4(2007):401-407.
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