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Studies on Infestation Dynamics in Hamburg

      T. MELZER, G. DOOBE

       Sooty bark disease – biology, pathology and disposal of infected wood

      R. ENDERLE, J. RIEBESEHL, P. BECKER, R. KEHR

       2 Drought stress and tree management

       Possible effects of drought stress on native broadleaved tree species – assessment in light of the 2018/19 drought

      R. KEHR

       Presentation of various irrigation methods for trees

      A. SCHNEIDEWIND

       Identification and management of Massaria Disease of Plane: Experiences from London

      G. PACKMAN

       The new “FLL-Baumkontrollrichtlinien” (Guidelines for Tree Inspection) – What has changed in terms of content and structure?

      D. DUJESIEFKEN, A. ROLOFF

       Dealing with ivy from a legal and technical point of view

      R. HILSBERG, A. DETTER

       Urban trees adapted to drought stress Influencing factors, criteria, properties, species and how to find them

      A. ROLOFF

       3 Root zone and tree health

       Earthworms – versatile soil engineers with benefits for trees

      M. MÜLLER-INKMANN

       Appropriate Irrigation Management for Urban Trees in Times of Increasing Periods of Drought

      K. WELTECKE

       Mycorrhiza – advantages of symbiosis under conditions of drought and nutrient deficiency

      J. KUTSCHEIDT

      Root development of container-cultivated winter lime trees (Tilia cordata)

      A. SCHNEIDEWIND

       Possibilities in dealing with de-icing salts on road trees

      M. SCHREINER, B. JÄCKEL, G. FELLHÖLTER

       Canopies of young city trees as species rich habitats – Results from the project “Stadtgrün 2021”

      D. MAHSBERG, S. BÖLL, R. ALBRECHT, M. K. PETERS

       Diverse city tree boulevards with ground cover vegetation promote urban insect diversity

      S. BÖLL, D. MAHSBERG, R. ALBRECHT, M. K. PETERS

       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

       Suitability of measured values of the physiological condition of leaves for assessing the vitality of old trees by the example of beech and sycamore maple

      J. M. TAUSENDFREUND, S. RUST

       Watermark sensors as a predictor of plant water status

      J. HERTZLER, S. RUST

       Crown condition of ash trees in forests suffering from ash dieback in relation to site and severity of stem base necroses

      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

       Branch dieback of Giant Sequoia (Sequoiadendron giganteum) caused by Neofusicoccum parvum occurring in Germany

      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.

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