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Abstract Detail



Mycological Section

Maltz, Mia [1], Treseder, Kathleen [2].

Sources of inocula influence mycorrhizal colonization of plants in restoration projects: A meta-analysis.

Inoculation may increase mycorrhizal colonization and provide benefits to plants in restoration projects. However, it is unclear whether inoculation has consistent effects across ecosystem types, if it has long-term effects on colonization, and whether types of inocula differ in their effectiveness. To address these issues, we performed a meta-analysis of published restoration studies across a variety of ecosystems to examine the effects of mycorrhizal inoculation on mycorrhizal establishment and plant growth under field conditions. Across ecosystem types, we found that inoculation consistently increased the abundance of mycorrhizal fungi in degraded ecosystems (P < 0.001), and thus improved the establishment of plants (P < 0.001). These benefits did not significantly attenuate over time. Moreover, inocula from different sources varied in their effects on mycorrhizal colonization (P = 0.047). Inocula sourced from reference ecosystems and inocula with specific fungal species yielded higher increases in mycorrhizal colonization than did inocula from commercial sources. These results suggest that inocula source matters, and that an initial investment into mycorrhizal inoculation could provide lasting benefits for facilitating the establishment of the below- and aboveground components of restored ecosystems.


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1 - University of California, Ecology and Evolutionary Biology, 321 Steinhaus Hall, Irvine, CA, 92697, USA
2 - University of California, Ecology and Evolutionary Biology, Irvine, CA, 92697, USA

Keywords:
Fungi
reference ecosystem
meta-analysis
arbuscular
ectomycorrhizal
Fisher’s z-transform.

Presentation Type: Oral Paper:Papers for Sections
Session: 22
Location: Salon 1/The Shaw Conference Centre
Date: Monday, July 27th, 2015
Time: 5:15 PM
Number: 22007
Abstract ID:1332
Candidate for Awards:MSA Best Oral Presentation Award by a Graduate Student


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