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  • Research advances on the germination of desert plants under stress.

    Author(s) : Ren JunYu FangKeTao Ling

    Author Affiliation : School of Environmental and Municipal Engineering, Institute of Environmental Ecology, Lanzhou Jiaotong University, Lanzhou 730070, China.

    Journal article : Bulletin of Botanical Research 2011 Vol.31 No.1 pp.121-128 ref.84

    Abstract : Effects of water, temperature, lightlightSubject Category: Miscellaneous
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    , buried depth in sandsandSubject Category: Miscellaneous
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    , salt stressstressSubject Category: Miscellaneous
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    and their combinations on the seed germinationseed germinationSubject Category: Natural Processes
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    of desert plantsdesert plantsSubject Category: Organism Groups
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    under stress were reviewed. The rainfall frequency, rainfall size and distribution, as well as soil moisture are the important ecological factors that governing the seed germination of desert plants. Temperature is one of the key ecological factors influencing the seed germination of desert plants, changing temperature is conducive to seed germination of desert plants. Illumination is not the necessary conditions for the seed germination of majority of desert plants. A small portion of desert plants need light for seed germination, and some germinate in the dark, while some show no specific requirements of light. Light shows inhibition effect to some extent on the seed germination of some desert plants. Sand buries regulates the seed germination of desert plants through soil moisture, soil temperaturesoil temperatureSubject Category: Properties
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    and illumination. SalinitysalinitySubject Category: Properties
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    stress restrains the seed germination. Seed germination of desert plants under the above coordinating factors shows some adaptability. Along further studies and the need of environmental protection or reconstruction, it is necessary to enhance the eco-physiological research in desert psammophytes, in depth and systematicity.

    ISSN : 1673-5102

    URL : http://bbr.nefu.edu.cn

    Record Number : 20113031914

    Publisher : Science Press

    Location of publication : Beijing

    Country of publication : China

    Language of text : Chinese

    Language of summary : English

    Indexing terms for this abstract:

    Descriptor(s) : desert plantsdesert plantsSubject Category: Organism Groups
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    , environmental factorsenvironmental factorsSubject Category: Properties
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    , lightlightSubject Category: Miscellaneous
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    , rainrainSubject Category: Climate Related
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    , salinitysalinitySubject Category: Properties
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    , sandsandSubject Category: Miscellaneous
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    , seed germinationseed germinationSubject Category: Natural Processes
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    , soil temperaturesoil temperatureSubject Category: Properties
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    , soil watersoil waterSubject Category: Miscellaneous
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    , stressstressSubject Category: Miscellaneous
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    , temperaturetemperatureSubject Category: Properties
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    , waterwaterSubject Category: Chemicals and Chemical Groups
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    Identifier(s) : rainfall, soil moisture