Skip to Main Content
U.S. Forest Service
Caring for the land and serving people

United States Department of Agriculture

Home > Search > Publication Information

  1. Share via EmailShare on FacebookShare on LinkedInShare on Twitter
    Dislike this pubLike this pub
    Author(s): Erik A. Lilleskov; Thomas D. Bruns
    Date: 2003
    Source: New Phytologist 159:141-151
    Publication Series: Scientific Journal (JRNL)
    Station: North Central Research Station
    PDF: View PDF  (1.64 MB)

    Description

    -Here we investigated whether root colonization dynamics of ectomycorrhizal fungi (EMF) of contrasting life history strategies (i.e. early vs late successional dominants) were affected by resource availability, as mediated either directly via the soil, or indirectly via host nutrition. -In a two phase experiment, Pinusm muricata seedlings were co-inoculated with spores of early (Rhizopogon occidentalis) and late (Tomentella sublilacina) successional dominant EMF, with or without squirrel faecal pellets added as a nutrient source. In single chambers (Phase A) subsequently converted to split-root chambers (Phase B). -R. occidentalis colonized seedlings earlier than T. sublilacina. R. occidentalis root tip numbers peaked then declined in both treatments, but earlier in the minus pellet treatment than the plus T. sublilacina increased steadily regardless of treatment. In the split-root treatment, we found no response by R. occtdentalis, and a complex response by T. sublilacina, suggesting that plant nutrition may affect colonization dynamics. -The strategy of R. occidentalis may be to colonize roots early in high resource environments; whereas that of T. sublilacina may be based upon slower colonization rates and greater competitive ability. The effect of nutrient additions on R. occidentalis may be highly dependent upon their timing.

    Publication Notes

    • Check the Northern Research Station web site to request a printed copy of this publication.
    • Our on-line publications are scanned and captured using Adobe Acrobat.
    • During the capture process some typographical errors may occur.
    • Please contact Sharon Hobrla, shobrla@fs.fed.us if you notice any errors which make this publication unusable.
    • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Lilleskov, Erik A.; Bruns, Thomas D. 2003. Root colonization dynamics of two ectomycorrhizal fungi of contrasting life history strategies are mediated by. New Phytologist 159:141-151

    Keywords

    life history strategy, ectomycorrhizas, organic nutrients, faecal pellets and fertilization, succession, co-inoculation, Rhizopogon occidentalis, Tomentella sublilacina, Pinus muricata

    Related Search


    XML: View XML
Show More
Show Fewer
Jump to Top of Page
https://www.fs.usda.gov/treesearch/pubs/13819