Culbertson, John (2015) Sandy Symbionts: How Tree Identity Shapes Ectomycorrhizal Fungus in Sand Pine. Undergraduate thesis, under the direction of Jason Hoeksema from Biology, The University of Mississippi.
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Abstract
ABSTRACT Sandy Symbionts: How Tree Identity Shapes Ectomycorrhizal Fungus in Sand Pine The purpose of my thesis was to investigate the structure and composition of the ectomycorrhizal (EMC) fungal communities of sand pine (Pinus clausa var. immuginata). Root tips were sampled from four trees located within Eglin Air Force Base. Colonization was shown to differ significantly based on tree identity. Abundance, species diversity, and the ratio of ECM fungi to pathogenic fungi did not differ significantly based on tree identity. A total of 35 ECM operational taxonomic units (OTUs) were shown to colonize the four trees. Helotiales4, Lactarius2, and Cenococcum geophilum were found to be the most abundant OTUs, while Lactarius1 was found to be the least abundant. The results of my research suggest that difference in the ECM communities of sand pine is determined by variation in ECM fungal activity at the microscale of individual trees.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Creators: | Culbertson, John |
| Student's Degree Program(s): | Bachelor of Science in Biology |
| Thesis Advisor: | Jason Hoeksema |
| Thesis Advisor's Department: | Biology |
| Institution: | The University of Mississippi |
| Subjects: | Q Science > Q Science (General) Q Science > QK Botany |
| Depositing User: | John Culbertson |
| Date Deposited: | 07 May 2015 15:54 |
| Last Modified: | 07 May 2015 15:54 |
| URI: | http://thesis.honors.olemiss.edu/id/eprint/359 |
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