Results 21 to 30 of about 935 (176)
Evaluating the impact of Hymenoscyphus fraxineus in Trentino (Alps, Northern Italy): first investigations [PDF]
, 2017 The spread of Hymenoscyphus fraxineus has been causing great concern regarding the survival of European ash (Fraxinus excelsior) throughout Europe since the 1990s.
Dal Maso, E +4 more
core +3 more sources
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 +2 more
doaj +1 more source
Estimating coextinction risks from epidemic tree death [PDF]
, 2012 At least 10% of the world's tree species are threatened with extinction and pathogens are increasingly implicated in tree threats. Coextinction and threats to affiliates as a consequence of the loss or decline of their host trees is a poorly understood ...
Jönsson, Mari, Thor, Göran
core +3 more sources
Neue Erkenntnisse zur Pathogenese des Triebsterbens an Esche (Fraxinus excelsior)
Journal für Kulturpflanzen, 2010 Das Eschentriebsterben nimmt in Deutschland unter den bedeutsamen Baumkrankheiten gegenwärtig eine zentrale Rolle ein. In den Baumschulen sind die wirtschaftlichen Schäden besonders groß, wenngleich auch Wälder in zunehmendem Maße betroffen sind.
Jörg Schumacher +3 more
doaj +1 more source
Développement Durable et Territoires, 2019 This paper describes a landscape mediation process, led in a marsh area (Marais poitevin, France), a territory known for long term environmental controversies.
Alexis Pernet
doaj +1 more source
The discovery of ash dieback in the UK: the making of a focusing event [PDF]
, 2016 Why did the identification of ‘Ash Dieback’ (Chalara Fraxinea) in 2012 in the UK catch the national media, public and political zeitgeist, and lead to policy changes, in a way that no other contemporary tree pest or pathogen outbreak has?The ...
Baumgartner F.R. +16 more
core +1 more source
The Forestry Chronicle, 2018 Common pathogenicity tests on 16-month-old ash plants were performed using isolates of Hymenoscyphus fraxineus and three different Phytophthora spp. isolated under declining ash trees in Wolica Nature reserve in Poland.
Ivan Milenkovi´c +6 more
doaj +1 more source
L’émergence de la chalarose en France
Revue Forestière Française, 2018 En France métropolitaine, les frênes, dans l’environnement forestier ou non, sont affaiblis depuis une dizaine d’années par une nouvelle maladie épidémique de grande ampleur appelée chalarose.
Claude Husson
doaj +1 more source
Application of fungicides and urea for control of ash dieback
iForest - Biogeosciences and Forestry, 2015 Ash dieback is caused by a highly pathogenic fungus Hymenoscyphus pseudoalbidus (anamorph Chalara fraxinea). Possibilities for disease control are limited, and treatment of fallen leaf debris to prevent sporulation of the pathogen is one of the possible ...
Hauptman T +3 more
doaj +1 more source
Acta Agrobotanica, 2012 The present paper presents the results of long-term observations of differences in growth and morphology of colonies of C. fraxinea isolated from ash stems with symptoms of dieback and the results of studies on effects of temperature on growth and ...
Tadeusz Kowalski, Czesław Bartnik
doaj +1 more source