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Common spruce (Picea abies Karst.) is a tree species that occurs naturally in the valleys and other frost sites in high mountain regions, where it is free of serious competition of other tree species.
Slavko Matić
doaj
Effects of Ecological and Dendrometric Parameters on Holm Oak Dieback in Chettaba Forest (Algeria)
Quercus ilex is a tree that shows severe symptoms of oak decline. The mechanisms causing the decline of holm oak stands were studied on a network of eight observation plots installed in the Chettaba forest in Constantine’s southwestern area (Algeria ...
Zerrouki Alia +3 more
doaj +1 more source
"Rapid and dramatic changes in vegetation" of a small pond on Holy Island (Northumbria): Chaotic dynamics? [PDF]
This note describes changes to the relative extent of four structurally dominant submerged macrophytes in a pond on Holy Island National Nature Reserve, Northumbria, between 1991 and 1998.
Jeffries, Michael
core
Ash dieback caused by Hymenoscyphus pseudoalbidus (anamorph Chalara fraxinea) is a disease that has emerged during the past twenty years. It was first observed in Poland and has expanded over most of the distribution area of European ash (Fraxinus excelsior) in Europe. This thesis comprises four scientific papers. The first reports the production of a
openaire +2 more sources
Details are given of the results of a survey of ash dieback carried out in the east-central region of England, from Humberside southward to Buckinghamshire. Ash dieback was prevalent throughout the area, the incidence of the disease being highest in Northamptonshire and adjacent areas in neighbouring counties, where the occurrence of dieback on ash ...
openaire +1 more source
The eutypa dieback of grapevine (Vitis vinifera L.), caused by phytopathogenic fungus Eutypa lata, is one of the most severe diseases of trunk and other woody tissues of grapevine in the world. This disease, also known as the grapevine eutyposis, significantly reduces yield and quality of grapes, but primarily reduces the life span of the vines ...
Živković, Sanja +3 more
openaire +1 more source
First report of Diaphorina citri (Hemiptera: Psyllidae) in Costa Rica [PDF]
In November 2003, the Asian citrus psyllid (Diaphorina citri) was found for the first time in Costa Rica, in Alajuela, Heredia and San Jose provinces.
Godoy, Carolina +3 more
core
Eutypa fungus causes grapevine dieback
It has been shown conclusively that a grapevine dieback disease is caused by the wound ...
A Kasimatis, W Moller
openaire +1 more source

