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    • Journal of Range Management, Volume 52 (1999)
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    Imbibition temperature affects winterfat (Eurotia lanata (Pursh) Moq.) seed hydration and cold-hardiness response

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    Author
    Bai, Y.
    Booth, D. T.
    Romo, J. T.
    Issue Date
    1999-05-01
    Keywords
    cold tolerance
    imbibition
    seed weight
    ambient temperature
    Saskatchewan
    Krascheninnikovia lanata
    Wyoming
    botanical composition
    Colorado
    
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    Citation
    Bai, Y., Booth, D. T., & Romo, J. T. (1999). Imbibition temperature affects winterfat (Eurotia lanata (Pursh) Moq.) seed hydration and cold-hardiness response. Journal of Range Management, 52(3), 271-274.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643956
    DOI
    10.2307/4003690
    Additional Links
    https://rangelands.org/
    Abstract
    Winterfat (Eurotia lanata (Pursh) Moq.) diaspores harvested from 1 Canadian and 2 USA sites were imbibed at 0, 5, 10, and 20 degrees C. It was hypothesized that imbibition temperature affects seed hydration which is related to cold-hardiness of winterfat. Weight gain was measured at 8-hour intervals until full hydration, and embryo water content was determined. Water content of fully hydrated seeds differed among collections and lower imbibition temperatures were always associated with greater seed water content. Differences in water content of seeds imbibed at different temperatures was related to cold-hardiness. When water content of embryos was measured, differences among imbibition temperatures existed, but were reduced. Differences in seed water content among imbibition temperatures were mainly due to endosperm other than the embryo because the embryo hydrated faster than other seed parts. Suggestions were made for modeling seed water relations based on this study.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003690
    Scopus Count
    Collections
    Journal of Range Management, Volume 52, Number 3 (May 1999)

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