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    Feedback Between Plants and Their Soil Community in an Oil Field Community

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    Bever_1994.pdf (1.025Mb)
    Issue Date
    1994
    Author
    Bever, James D.
    Publisher
    Ecological Society of America
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    Copyright by the Ecological Society of America
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    Abstract
    The nature of the interaction between plants ant their soil community was investigated by testing for differential responses of four old—field perennial plant species to inocula derived from soil communities that had been grown with ("cultured by") one of these four plant species. The differentiation of the soil communities was evident in measurements of plant survival, phenology, growth, and root—shoot ratios. Effects on survival and growth suggest negative feedbacks between these species and the soil communities that they culture. Survival rates of Krigia dandelion were significantly reduced when grown with their own" soil community. Considered as a whole, the three other species (all grasses) had significantly lower growth and root—shoot ratios when grown with soil communities started with their own inocula compared to soil communities started with the inocula of other species. However, the significance of this effect on growth rate and root—shoot ratios was due primarily to the pairwise comparison of Anthoxanthum odoratum and Danthonia spicata and of Anthoxanthum and Panicum sphaerocarpon, respectively. Pairwise comparisons of Danthonia and Panicum do not suggest differential responses to each other's soils in growth rate or root—shoot ratios nor do soil communities appear to affect the relative competitive ability of these two species. While the components of the soil community responsible for these effects have not been identified, similar although less pronounced patterns were observed in experiments using inocula consisting of washed live root segments as compared to experiments using whole soil as inoculum, suggesting that root pathogens are one important agent.
    URI
    http://hdl.handle.net/1808/21341
    DOI
    https://doi.org/10.2307/1941601
    Collections
    • Ecology & Evolutionary Biology Scholarly Works [1497]
    Citation
    Bever, J. D. (1994), Feeback between Plants and Their Soil Communities in an Old Field Community. Ecology, 75: 1965–1977. doi:10.2307/1941601

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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