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Abstract Detail


Stahlhut, Katherine [1], Bauer, Jonathan Thomas [1].

Incorporating plant-mycorrhizal interactions into the plant economic spectrum.

Plant species vary greatly in their responses to mycorrhizal symbiosis. Some plant species depend on this symbiosis for growth and survival, while others respond negatively to colonization by mycorrhizal fungi, such that plant species align on a mycorrhizal mutualism-parasitism spectrum. Mycorrhizal symbiosis requires carbon investment from a plant, which means that it is possibly linked with the whole plant economic spectrum. We use data from two large plant trait databases, MycoDB and the TRY database, to test whether mycorrhizal response is correlated with plant economic spectrum functional traits. Using phylogenetic comparative approaches, we find that large positive mycorrhizal responses are significantly correlated with traits associated with resource-conservative ecological strategies (p = 0.005). These results indicate that mycorrhizal response may be constrained by other plant functional traits that affect allocation patterns. Future work should focus on understanding how other plant traits affect mycorrhizal symbiosis functioning.

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1 - Miami University, 501 East High Street, Oxford, OH, 45056, United States

mycorrhizal fungi
Comparative Phylogenetics
leaf economics
plant economics
Ancestral State reconstruction
mycorrhizal benefit.

Presentation Type: Poster
Session: P2, Ecophysiology Posters
Location: Virtual/Virtual
Date: Tuesday, July 20th, 2021
Time: 5:00 PM(EDT)
Number: P2PE006
Abstract ID:753
Candidate for Awards:Physiological Section Physiological Section Li-COR Prize

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