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    • Journal of Range Management, Volume 37 (1984)
    • Journal of Range Management, Volume 37, Number 2 (March 1984)
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    Impact of Presowing Seed Treatments, Temperature and Seed Coats on Germination of Velvet Bundleflower

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    Author
    Haferkamp, M. R.
    Kissock, D. C.
    Webster, R. D.
    Issue Date
    1984-03-01
    Keywords
    Texas
    
    Metadata
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    Citation
    Haferkamp, M. R., Kissock, D. C., & Webster, R. D. (1984). Impact of presowing seed treatments, temperature and seed coats on germination of velvet bundleflower. Journal of Range Management, 37(2), 185-188.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645667
    DOI
    10.2307/3898912
    Additional Links
    https://rangelands.org/
    Abstract
    Seeds with both smooth and rough, apparently scarified, seed coats occur in harvested samples of velvet bundleflower (Desmanthus velutinus Scheele.). To determine the degree of scarification, germination responses of rough and smooth seeds were investigated at 4 night/day temperature regimes, 5/15 degrees C, 10/20 degrees C, 15/25 degrees C, and 20/30 degrees C with a 12-hour photoperiod during the high temperature and with 3 seed treatments, cutting, acid scarification and hot water soak. Rough seed coats appear to be caused by peeling of the cuticular layer on the seed surface. Moisture was imbibed more rapidly by smooth seeds, and total germination of smooth seeds was 31% without treatment, 4 times greater than rough seed germination. Treatments increased germination of smooth seeds two- to four- fold and rough seeds over 10-fold. After treatment, rough seeds germinated significantly (P<.05) better than smooth seeds at all temperature regimes except 5/15 degrees C. Cut and scarified seeds generally germinated more rapidly than water-treated seeds, but total germination was similar for all treatments at warmer temperatures. Germination was only 31% at 5/15 degrees C.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3898912
    Scopus Count
    Collections
    Journal of Range Management, Volume 37, Number 2 (March 1984)

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