Balsam woolly adelgid (Homoptera: Adelgidae) and spruce-fir decline in the southern Appalachians: assessing pest relevance in a damaged ecosystem

Research on tree decline has shown that the proportion of sapwood area to heartwood area is an important measure of tree health. Infestation by the balsam woolly adelgid (BWA), Adelges piceae (Ratz.), causes the formation of abnormal wood, which is thought to conduct sap poorly. BWA infestation is a...

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Bibliographische Detailangaben
Veröffentlicht in:	The Florida entomologist 1991-06, Vol.74 (2), p.179-187
Hauptverfasser:	Hollingsworth, R.G. (North Carolina State University, Raleigh, NC), Hain, F.P
Format:	Artikel
Sprache:	eng
Schlagworte:	ABIES FRASERI Adelges piceae Adelgidae Bark BLACK MOUNTAINS, NORTH CAROLINA BOSQUES CAROLINA DEL NORTE CAROLINE DU NORD Compression wood DAMAGE DANOS DEGAT DREYFUSIA DREYFUSIA PICEAE ENFERMEDADES DE LAS PLANTAS ENVIRONMENTAL FACTORS FACTEUR DU MILIEU FACTORES AMBIENTALES FORESTS FORET Forum Heartwood HIGHLAND Homoptera Infestation INTERACTIONS MALADIE DES PLANTES Mortality NORTH CAROLINA PICEA RUBENS PLANT DISEASES REGION D'ALTITUDE Sapwood Stems Tracheids Trees Xylem ZONA DE MONTANA
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