Identification of nitrogen-fixing enterobacteria from living Sassafras (Atherosperma moschatum Labill.) trees |
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Authors: | M. A. Line |
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Affiliation: | (1) Department of Agricultural Science, University of Tasmania, GPO Box 252C, 7001 Hobart, Tasmania, Australia |
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Abstract: | Nitrogen-fixing enterobacteria (Enterobacter agglomerans and Citrobacter freundii) were commonly found associated with the microflora of stained Sassafras (Atherosperma moschatum Labill.) in forests of SE Tasmania. However, their populations never exceeded 3× 104 cells g−1 dry wood and comprised at most 3% of the total bacterial flora. Bacterial colonization of the wood appeared to coincide with that by non-hymenocetous fungi: bacteria were never isolated in significant numbers from wood not infected with fungi. The contribution of the N2-fixing flora to the N economy of the habitat is considered to be negligible. |
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Keywords: | endophytes enterobacteria N2-fixation |
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