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    • Journal of Range Management, Volume 36 (1983)
    • Journal of Range Management, Volume 36, Number 1 (January 1983)
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    Presowing Seed Treatment and Temperature Effects on Germination of Engelmannia pinnatifida and Indigofera miniata var. leptosepala

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    Author
    Kissock, D. C.
    Haferkamp, M. R.
    Issue Date
    1983-01-01
    Keywords
    Texas
    
    Metadata
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    Citation
    Kissock, D. C., & Haferkamp, M. R. (1983). Presowing seed treatment and temperature effects on germination of Engelmannia pinnatifida and Indigofera miniata var. leptosepala. Journal of Range Management, 36(1), 94-97.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/646069
    DOI
    10.2307/3897992
    Additional Links
    https://rangelands.org/
    Abstract
    Research was conducted to evaluate the effects of presowing seed treatments and temperature on germination of seeds of Engelmann daisy (Engelmannia pinnatifida) and western indigo (Indigofera miniata var. leptosepala). The seeds were imbibed in controlled environmental conditions for 14 days with night/day temperatures of 5/15, 10/20, 15/25, or 20/30 degrees C and a 12-hour photoperiod corresponding with the high temperature. Seed treatments prior to imbibition included: mechanical scarification, immersion in hot water (80 degrees C) for 3 min., acid scarification by immersion in concentrated sulfuric acid for 17 min., and an untreated control. Percent germination was affected by both temperature and presowing seed treatments. Maximum germination (43%) of Engelmann daisy was attained by untreated seeds at 20/30 degrees C. Presowing seed treatments did not significantly increase germination of Engelmann daisy at any temperature. Western indigo seeds which were mechanically or acid scarified germinated over 90% in the 10/20, 15/25 and 20/30 degrees C temperature regimes. Seeds immersed in hot water germinated from 59-68%, and untreated seeds germinated from 17-42% in the same environmental conditions.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3897992
    Scopus Count
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    Journal of Range Management, Volume 36, Number 1 (January 1983)

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