4 Short scientific communications
Sooty bark disease of sycamore: Studies of the distribution of Cryptostroma corticale
N. BURGDORF, L. HÄRTL, L. STRAßER
Possibilities for monitoring mistletoes on deciduous trees and their practical application
K. HEITER, E. ENDRES, M. DEGLE, J. ALBERT, H.-J. KLEMMT
J. M. TAUSENDFREUND, S. RUST
Watermark sensors as a predictor of plant water status
J. HERTZLER, S. RUST
C. HÖTTE, R. KEHR
The Emerald Ash Borer Agrilus planipennis (Coleoptera: Buprestidae) is continuously coming closer
B. HOPPE, T. SCHRÖDER, G. SCHRADER
Dieback of Juglans spp. trees in southern Germany associated with Juglanconis juglandina
R. KEHR, O. GAISER
R. KEHR, J. GRÜNER, C. SCHMIDT
Sealing and competition as growth and vitality influencing factors of the „Beuys-Trees” in Kassel
D. SCHMIDT, T. GAERTIG
Neozoic Heteroptera species on some park and forest trees in Germany
O. SCHMIDT
Animal pests of sweet chestnut (Castanea sativa)
O. SCHMIDT
Biotic damage to Turkish hazel (Corylus colurna) – a current assessment
O. SCHMIDT
The Bronze Birch Borer Agrilus anxius and its risk to European birch species
G. SCHRADER, T. SCHRÖDER, B. HOPPE
Pinewood nematode Bursaphelenchus xylophilus – a potential thread also to German pines?
T. SCHRÖDER, B. HOPPE, G. SCHRADER
Information for an effective survey of Dendrolimus sibiricus in the EU
A. WILSTERMANN, G. SCHRADER
5 Associations and Research Institutes
Institutes, research and teaching
Professional associations
Other organisations and associations
6 Address register for tree care
Baum des Jahres 2020: die Robinie (Robinia pseudoacacia) – Ihr Charakter: Eigenschaften und Besonderheiten
Tree of the year 2020: Black locust (Robinia pseudoacacia) – Character, features and specific aspects
von Andreas Roloff
Zusammenfassung
Am meisten fallen Robinien auf, wenn sie Ende Mai blühen: ein weißes Blütenmeer
