Results 61 to 70 of about 13,629 (212)

Investigating Host Preference of Root Endophytes of Three European Tree Species, with a Focus on Members of the Phialocephala fortinii—Acephala applanata Species Complex (PAC)

Journal of Fungi, 2021
Host preference of root endophytes of the three European tree species of Norway spruce (Picea abies), common ash (Fraxinus excelsior), and sycamore maple (Acer pseudoplatanus) were investigated in two forest stands near Zurich, Switzerland. The focus was
Sophie Stroheker, Vivanne Dubach, Irina Vögtli, Thomas N. Sieber   +3 more
doaj   +1 more source

Shrubs and trees as natural insect protection for grazing animals in Switzerland and the alpine region: A systematic review of in vitro, in vivo and clinical trials Sträucher und Bäume als natürlicher Insektenschutz für Weidetiere in der Schweiz und im Alpenraum: Eine systematische Literaturübersicht über in vitro‐, in vivo‐ und klinische Studien

Medical and Veterinary Entomology, EarlyView.
Biting or irritating insects are a threat to the health and welfare of grazing animals. This systematic review reveals that several shrubs and bushes growing in the alpine area have insecticidal, insect‐repellent and/or attractant properties. The alder Alnus glutinosa, juniper Juniperus communis, spruce Picea abies and walnut Juglans regia are ...
Theresa Schlittenlacher, Sofie Egli, Michael Walkenhorst, Veronika Maurer   +3 more
wiley   +1 more source

Visible Foliar Injury and Physiological Responses to Ozone in Italian Provenances of Fraxinus excelsior and F. ornus

The Scientific World Journal, 2007
We compared leaf visible injury and physiological responses (gas exchange and chlorophyll a fluorescence) to high O3 exposure (150 nmol mol–1 h, 8 h day–1, 35–40 days) of two woody species of the same genus with different ecological features: the ...
Nicla Contran, Elena Paoletti
doaj   +1 more source

Vessel differentiation in isolated stem segments of Fraxinus excelsior L. after treatment with auxin

Acta Societatis Botanicorum Poloniae, 2014
Experiments were carried out on isolated stem segments of ash collected from natural conditions during the winter dormancy season. In order to stimulate cambial activity and vessel differentiation the internodes were treated with auxin.
Ewa U. Kurczyńska
doaj   +1 more source

Shaping future forests: how can ecophysiology support climate‐smart forest management?

New Phytologist, EarlyView.
Summary Climate change, particularly the associated increase in extreme events and disturbances, threatens the numerous environmental, social, and economic benefits that forests provide, both locally and globally. Heat and drought pose significant risks to forest ecosystems; the anticipated future climate is expected to exacerbate this trend ...
Arthur Gessler, José M. Grünzweig, Laura Bigio, Henrik Hartmann, Nate McDowell, Frank Krumm, Arun K. Bose, Andreas Rigling, Harald Bugmann, Valentina Vitali, Pascal Schneider, J. Jelle Lever, Janine Schweier, Anne Kempel, Niklaus E. Zimmermann, Philipp Brun, Jürgen Bauhus, Micah Wilhelm, Alessandra Bottero   +18 more
wiley   +1 more source

The occurrence of Hymenoscyphus pseudoalbidus apothecia in the leaf litter of Fraxinus excelsior stands with ash dieback symptoms in southern Poland

Acta Mycologica, 2013
The paper presents the results of a study performed in 28 ash stands located in Myśleniece and Dynów Forest Districts in southern Poland. The intensity of Fraxinus excelsior disease process was estimated based on the disease symptoms analysis of 1400 ...
Tadeusz Kowalski, Maciej Białobrzeski, Agnieszka Ostafińska   +2 more
doaj   +1 more source

Similar Relative Carbon Costs for Construction and Storage of Sun and Shade Branches in Mature Temperate Trees

Plant, Cell &Environment, EarlyView.
ABSTRACT Irradiance strongly affects the morphology, carbon (C) uptake and construction costs of leaves and branches. Within tree crowns, light decreases from the top downwards, but whether this translates to differences in the C balance of sun and shade branches remains unclear. Here, we combined a light‐driven photosynthesis model, parameterised with
Cedric Zahnd, Miro Zehnder, Ansgar Kahmen, Günter Hoch   +3 more
wiley   +1 more source

Effects of game on the condition and development of natural regeneration in the Vrapač National Nature Reserve (Litovelské Pomoraví)

Journal of Forest Science, 2006
In 2001-2005, the effects of game on the condition and development of natural regeneration of a floodplain forest were studied in three permanent transects in the Vrapač National Nature Reserve (NNR).
P. Čermák, R. Mrkva
doaj   +1 more source

Marker-Trait Associations for Tolerance to Ash Dieback in Common Ash (Fraxinus excelsior L.)

, 2020
Common ash (Fraxinus excelsior L.) is a tree species of significant ecological and economic importance that has suffered a devastating decline since the 1990s in Europe.
R. Chaudhary, T. Rönneburg, Matilda Stein Åslund, K. Lundén, M. Durling, K. Ihrmark, A. Menkis, L. Stener, M. Elfstrand, M. Cleary, J. Stenlid   +10 more
semanticscholar   +1 more source

Linking sap flow and tree water deficit in an unmanaged, mixed beech forest during the summer drought 2022

Plant Biology, EarlyView.
Sap flow and reversible stem shrinkage upon water depletion are strongly correlated under extreme drought conditions, but they respond differently to drought and cannot be used interchangeably when assessing tree response to drought. Abstract Temperate mixed forests are currently experiencing severe drought conditions and face increased risk of ...
L. S. Donfack, M. Mund, F. Koebsch, P. Schall, M. G. Heidenreich, D. Seidel, C. Ammer   +6 more
wiley   +1 more source