Nitrogen-fixing bacteria associated with bark beetles |
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Authors: | J. Robert Bridges |
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Affiliation: | (1) Southern Forest Experiment Station, Forest Service-U.S. Department of Agriculture, 71360 Pineville, Louisiana, USA |
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Abstract: | Nitrogen-fixingEnterobacter agglomerans andEnterobacter spp. were consistently isolated from the bark beetleDendroctonus terebrans. Large populations of nitrogen-fixing bacteria were found with the beetle, although no in situ acetylene reduction was demonstrated. The constant occurrence of nitrogenfixing bacteria withD. terebrans suggests a symbiotic relationship. Nitrogen-fixing bacteria were also isolated from the bark beetlesDendroctonus frontalis andIps avulsus.Mention of trade names is not an endorsement by the U.S. Department of Agriculture. |
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