FORMATION AND STRUCTURE OF LARVAL TUNNELS OF PHYTOBIA BETULAE IN BETULA PENDULA

FORMATION AND STRUCTURE OF LARVAL TUNNELS OF PHYTOBIA BETULAE IN BETULA PENDULA Structural abnormalities in the wood of Betula pendula Roth caused by the larvae of Phytobia betulae Kangas have been examined by light microscopy. The larvae bore through the zone of differentiating xylem from the crown to the base of the tree. The wound callus formed by the tree in response to the damage becomes sclerified and appears as brown streaks running through the wood. In transverse section the tunnels are elliptical in shape up to 3 mm wide and correspond to ʻpith flecksʼ. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png IAWA Journal Brill

FORMATION AND STRUCTURE OF LARVAL TUNNELS OF PHYTOBIA BETULAE IN BETULA PENDULA

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Publisher
Brill
Copyright
Copyright 2001 by Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0928-1541
eISSN
2294-1932
D.O.I.
10.1163/22941932-90000285
Publisher site
See Article on Publisher Site

Abstract

Structural abnormalities in the wood of Betula pendula Roth caused by the larvae of Phytobia betulae Kangas have been examined by light microscopy. The larvae bore through the zone of differentiating xylem from the crown to the base of the tree. The wound callus formed by the tree in response to the damage becomes sclerified and appears as brown streaks running through the wood. In transverse section the tunnels are elliptical in shape up to 3 mm wide and correspond to ʻpith flecksʼ.

Journal

IAWA JournalBrill

Published: Jan 1, 2001

Keywords: Betula pendula ; Phytobia betulae ; larval tunnels; pith flecks; wound callus.

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