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    • Journal of Range Management, Volume 19 (1966)
    • Journal of Range Management, Volume 19, Number 5 (September 1966)
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    Five Poisonous Range Weeds—When and Why They Are Dangerous

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    Author
    Williams, M. C.
    Cronin, E. H.
    Issue Date
    1966-09-01
    Keywords
    Misuse
    Poisonous Range Weeds
    Why
    Dangerous
    Larksuprs
    Western Falsehellebore
    Poisons
    alkaloids
    Duncecap
    soluble oxalate
    seasonal variation
    Plant Maturity
    When
    Tall
    Veratrum californicum
    seasonal changes
    Low
    Cattle Losses
    Five
    vegetative growth
    leaves
    Silvex
    2,4,5-T
    Early
    Late
    Halogeton glomeratus
    poisonous plants
    Halogeton
    distribution
    overgrazing
    Delphinium
    Show allShow less
    
    Metadata
    Show full item record
    Citation
    Williams, M. C., & Cronin, E. H. (1966). Five poisonous range weeds—when and why they are dangerous. Journal of Range Management, 19(5), 274-279.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/647955
    DOI
    10.2307/3895719
    Additional Links
    https://rangelands.org/
    Abstract
    Three larkspurs, halogeton, and western falsehellebore were examined for seasonal variation of their contained poisons. With the exception of low larkspur, greatest concentrations of the poisons were found in the leaves. Alkaloid concentration in tall larkspurs decreased with plant maturity. Cattle losses may be reduced if tall larkspurs are avoided during early vegetative growth. The alkaloid content of tall larkspurs was increased by treatment with 2,4,5-T and silvex. Only 2,4,5-T increased alkaloid content of western falsehellebore.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3895719
    Scopus Count
    Collections
    Journal of Range Management, Volume 19, Number 5 (September 1966)

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