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    • Journal of Range Management, Volume 48 (1995)
    • Journal of Range Management, Volume 48, Number 5 (September 1995)
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    Effect of temperature on growth of cheatgrass and Idaho fescue

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    Author
    Nasri, M.
    Doescher, P. S.
    Issue Date
    1995-09-01
    Keywords
    rooting depth
    strain differences
    ecotypes
    Festuca idahoensis
    roots
    ambient temperature
    Bromus tectorum
    weight
    growth
    Oregon
    tillers
    plant competition
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    Citation
    Nasri, M., & Doescher, P. S. (1995). Effect of temperature on growth of cheatgrass and Idaho fescue. Journal of Range Management, 48(5), 406-409.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644235
    DOI
    10.2307/4002243
    Additional Links
    https://rangelands.org/
    Abstract
    Development of deep and extensive root systems especially at cold temperatures has been considered an advantage to successful establishment of grass species in arid environments. This study determined the effects of temperature on seedling root and shoot growth of cheatgrass (Bromus tectorum L.) and 5 collections of Idaho fescue (Festuca idahoensis Elmer). Four collections of Idaho fescue were from degraded sites while the fifth Idaho fescue collection was from a site in high ecological condition. Seedlings were grown in environmental chambers (16 hours day/8 hours night) at 5, 10, and 15 degrees C. Root depth was recorded weekly for 9 weeks, and seedlings were harvested after 63 days. Tiller and leaf number, below and above-ground biomass, and total root length were evaluated. At temperatures of 5, 10, and 15 degrees C, cheatgrass grew faster and produced a greater mass of roots and shoots than Idaho fescue. Root and shoot growth were similar for the 5 Idaho fescue collections at all temperatures. Idaho fescue collections produced more tillers than cheatgrass, except at 5 degrees C. These results indicated that cheatgrass produces greater root and shoot growth mass, but tillers less at warmer temperatures than Idaho fescue.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4002243
    Scopus Count
    Collections
    Journal of Range Management, Volume 48, Number 5 (September 1995)

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