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Infestation Trends of Balsam Woolly Aphid in an Abies Alba Plantation in North CarolinaAuthor(s): Gene D. Amman; Gerhard F. Fedde
Source: Res. Pap. SE-148. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 6 p.
Publication Series: Research Paper (RP)
Station: Southeastern Forest Experiment Station
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DescriptionInfestations of the balsam woolly aphid, Adelges piceae (Ratz.), on European silver fir trees in a plantation were observed over a 7-year period. Infestations were usually light, but occasionally increased to heavy. Heavy infestations declined within 1 or 2 years without killing the trees or causing them apparent damage.
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CitationAmman, Gene D.; Fedde, Gerhard F. 1971. Infestation Trends of Balsam Woolly Aphid in an Abies Alba Plantation in North Carolina. Res. Pap. SE-148. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 6 p.
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