A meta-analysis of context-dependency in plant response to inoculation with mycorrhizal fungi

Jason D. Hoeksema, V. Bala Chaudhary, Catherine A Gehring, Nancy Johnson, Justine Karst, Roger T. Koide, Anne Pringle, Catherine Zabinski, James D. Bever, John C. Moore, Gail W T Wilson, John N. Klironomos, James Umbanhowar

Research output: Contribution to journalArticle

433 Citations (Scopus)

Abstract

Mycorrhizal fungi influence plant growth, local biodiversity and ecosystem function. Effects of the symbiosis on plants span the continuum from mutualism to parasitism. We sought to understand this variation in symbiotic function using meta-analysis with information theory-based model selection to assess the relative importance of factors in five categories: (1) identity of the host plant and its functional characteristics, (2) identity and type of mycorrhizal fungi (arbuscular mycorrhizal vs. ectomycorrhizal), (3) soil fertility, (4) biotic complexity of the soil and (5) experimental location (laboratory vs. field). Across most subsets of the data, host plant functional group and N-fertilization were surprisingly much more important in predicting plant responses to mycorrhizal inoculation ('plant response') than other factors. Non-N-fixing forbs and woody plants and C4 grasses responded more positively to mycorrhizal inoculation than plants with N-fixing bacterial symbionts and C3 grasses. In laboratory studies of the arbuscular mycorrhizal symbiosis, plant response was more positive when the soil community was more complex. Univariate analyses supported the hypothesis that plant response is most positive when plants are P-limited rather than N-limited. These results emphasize that mycorrhizal function depends on both abiotic and biotic context, and have implications for plant community theory and restoration ecology.

Original languageEnglish (US)
Pages (from-to)394-407
Number of pages14
JournalEcology Letters
Volume13
Issue number3
DOIs
StatePublished - Mar 2010

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meta-analysis
inoculation
mycorrhizal fungi
plant response
fungus
symbiosis
host plants
grasses
ecological restoration
mutualism
forbs
woody plants
symbionts
functional properties
soil fertility
plant communities
soil
parasitism
host plant
plant growth

Keywords

  • Arbuscular mycorrhizas
  • Ectomycorrhizas
  • Inoculation
  • Meta-analysis
  • Nitrogen
  • Phosphorous
  • Plant functional group
  • Soil microorganisms
  • Symbiosis

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

A meta-analysis of context-dependency in plant response to inoculation with mycorrhizal fungi. / Hoeksema, Jason D.; Chaudhary, V. Bala; Gehring, Catherine A; Johnson, Nancy; Karst, Justine; Koide, Roger T.; Pringle, Anne; Zabinski, Catherine; Bever, James D.; Moore, John C.; Wilson, Gail W T; Klironomos, John N.; Umbanhowar, James.

In: Ecology Letters, Vol. 13, No. 3, 03.2010, p. 394-407.

Research output: Contribution to journalArticle

Hoeksema, JD, Chaudhary, VB, Gehring, CA, Johnson, N, Karst, J, Koide, RT, Pringle, A, Zabinski, C, Bever, JD, Moore, JC, Wilson, GWT, Klironomos, JN & Umbanhowar, J 2010, 'A meta-analysis of context-dependency in plant response to inoculation with mycorrhizal fungi', Ecology Letters, vol. 13, no. 3, pp. 394-407. https://doi.org/10.1111/j.1461-0248.2009.01430.x
Hoeksema, Jason D. ; Chaudhary, V. Bala ; Gehring, Catherine A ; Johnson, Nancy ; Karst, Justine ; Koide, Roger T. ; Pringle, Anne ; Zabinski, Catherine ; Bever, James D. ; Moore, John C. ; Wilson, Gail W T ; Klironomos, John N. ; Umbanhowar, James. / A meta-analysis of context-dependency in plant response to inoculation with mycorrhizal fungi. In: Ecology Letters. 2010 ; Vol. 13, No. 3. pp. 394-407.
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