Oral Session #8: Mycorrhizal Fungi.

Presiding: A. Pringle, Duke University.
Sunday, August 6, 2000
8:30 AM to 12:00 PM
Cottonwood Room IV - Sports Event Center

8:30 AM	Mycorrhizae determine compensatory responses of American and French Centaurea maculosa after clipping. NEWINGHAM, B.A. and C.A. ZABINSKI, R. MICHALET, R.M. CALLAWAY
8:45 AM	Short term 15 N additions to mycorrhizal Bromus madritensis ssp. rubens and neighboring Artemisia californica. YOSHIDA, L.C. and E.B. ALLEN
9:00 AM	Evidence of host preferences in natural communities of VAM fungi from the Kalahari desert. BOHRER, G. and D. WARD, V. KAGAN-ZUR
9:15 AM	Winners never cheat; cheaters never win: Species' flexibility and the symmetry of benefit within a mutualism of arbuscular mycorrhizal fungi and plants. PRINGLE, A. and J.D. BEVER, J. ANTONOVICS
9:30 AM	Arbuscular mycorrhizal specificity, compatibility, and feedback between co-occurring species in a tallgrass prairie. CASTELLI, J.P.
9:45 AM	Local-scale population variation in Cenococcum geophilum on serpentine and non-serpentine soils CUMMING, J.R. and S.P. MILLER, N.L. SHEETS, D.G. PANACCIONE
10:00 AM	Break
10:15 AM	Evidence of a mycorrhizal mechanism for the adaptation of Andropogon gerardii to high and low-nutrient prairies. SCHULTZ, P.A. and R.M. MILLER, J.D. JASROW, C.V. RIVETTA, J.D. BEVER
10:30 AM	Nurse plant associations cause shifts in the ectomycorrhizal fungal communities associated with pinyon pine (Pinus edulis). HASKINS, K.E
10:45 AM	Ectomycorrhizal fungal communities in four North American ecosystems: Biodiversity, spatial distribution, and effects of nitrogen fertilization. LANSING, J.L and M.F ALLEN
11:00 AM	Chestnut oak (Quercus prinus L.) and red maple (Acer rubrum L.) stump sprouts, ectomycorrhiza, and red oak (Quercus rubra L.) seedlings. DICKIE, I.A. and K.C. STEINER, R.T. KOIDE
11:15 AM	Ectomycorrhizal diversity alters host tree performance in experimental host-symbiont culture conditions. BAXTER, J.W. and J. DIGHTON
11:30 AM	Spatial effects of retention forestry on ectomycorrhizal diversity of Douglas-fir seedlings. CLINE, E.T.
11:45 AM	Growth responses to mycorrhizal colonization of rainforest seedlings vary with light intensity and plant species. GEHRING, C.A.