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a=86400 Mycorrhizal responsiveness trends in annual crop plants and their wild relatives—a meta-analysis on studies from 1981 to 2010 | Plant and Soil
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Mycorrhizal responsiveness trends in annual crop plants and their wild relatives—a meta-analysis on studies from 1981 to 2010

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Abstract

Background and aims

Year of release of a cultivar reflects the agricultural and breeding practices of its time; we hypothesize that there are differences in mycorrhizal responsiveness of new high yielding and old crop plants and landraces. We evaluated the importance of the year of release on mycorrhizal responsiveness, arbuscular mycorrhizal (AM) fungal root colonization and P efficiency. We also analyzed the effect of experimental treatments, P efficiency (P acquisition and P utilization efficiency) and AM fungal root colonization on a potential mycorrhizal responsiveness trend for year of release.

Methods

We conducted a meta-analysis on 39 publications working on 320 different crop plant genotypes.

Results

New cultivars were less intensely colonized but were more mycorrhiza-responsive (and possibly dependent) compared to ancestral genotypes. This trend was potentially influenced by the moderator variables density, pre-germination, plant, plant type and AMF species. AM root colonization was also important for the mycorrhizal responsiveness trend for year of release, but P efficiency was not.

Conclusions

With the data available we could find no evidence that new crop plant genotypes lost their ability to respond to mycorrhiza due to agricultural and breeding practices.

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Acknowledgements

We thank the Dahlem Center of Plant Sciences (DCPS) at Freie Universität Berlin for funding, and reviewers for helpful comments on the manuscript.

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Authors and Affiliations

  1. Institut für Biologie, Dahlem Center of Plant Sciences, Freie Universität Berlin, Altensteinstr. 6, 14195, Berlin, Germany

    Anika Lehmann, E. Kathryn Barto & Matthias C. Rillig

  2. Hawkesbury Institute for the Environment, University of Western Sydney, Hawkesbury Campus, Bourke St, Richmond, 2753, NSW, Australia

    Jeff R. Powell

  3. Institut für Biologie, Dahlem Center of Plant Sciences, Ökologie der Pflanzen, Altensteinstr. 6, 14195, Berlin, Germany

    Matthias C. Rillig

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  1. Anika Lehmann
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  2. E. Kathryn Barto
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  4. Matthias C. Rillig
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Correspondence to Matthias C. Rillig.

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Lehmann, A., Barto, E.K., Powell, J.R. et al. Mycorrhizal responsiveness trends in annual crop plants and their wild relatives—a meta-analysis on studies from 1981 to 2010. Plant Soil 355, 231–250 (2012). https://doi.org/10.1007/s11104-011-1095-1

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