Effect of the pine needle scale on photosynthesis of Scots pine

• Published in: Forest Sci Vol. 19; no. 2; pp. 109 - 111
• Main Authors: Walstad, J.D, Nielsen, D.G, Johnson, N.E
• Format: Publication
• Language: English
• Published: 1973
• Subjects: Chionaspis pinifoliae; Pinus sylvestris