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Carelessness with machinery or taps in sugar bushes is a frequent cause of decline in sugar maple and black maple. [citation needed] Unusual weather conditions can also lead to maple decline. A classic example occurred across southern Quebec in 1981 when an exceptional February thaw destroyed the snow cover. Later, hard frost penetrated the ...
The roots of Norway maples grow very close to the ground surface, starving other plants of moisture. For example, lawn grass (and even weeds) will usually not grow well beneath a Norway maple, but English ivy, with its minimal rooting needs, may thrive. In addition, the dense canopy of Norway maples can inhibit understory growth. [23]
Canker: symptom produced by the pathogen. Eutypella canker infects many species of maple trees, most prevalently the sugar maple (Acer saccharum).Others commonly affected are the red maple (Acer rubrum), box elder (Acer negundo), striped maple (Acer pensylvanicum), Norway maple (Acer platanoides), sycamore maple (Acer pseudoplatanus), silver maple (Acer saccharinum), and black maple (Acer nigrum).
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This fungus attacks the leaves of the Acer platanoides (Norway maple) in North America, [1] and in Great Britain and/or Ireland, Acer palmatum (also known as the Japanese Maple or Smooth Japanese Maple). [2]
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The Scandinavian coastal conifer forest is a terrestrial ecoregion as defined by WWF [1] and National Geographic. [2] The broad definition is based on climatic parameters and includes a long area along the western Norwegian coast from Lindesnes Municipality and north to approximately Senja Municipality (further north summers are too cool for pine in coastal areas); in essence areas along the ...
Rhytisma acerinum is a plant pathogen that commonly affects sycamores and maples in late summer and autumn, causing tar spot. Tar spot does not usually have an adverse effect on the trees' long-term health. [1] R. acerinum is an Ascomycete fungus that locally infects the leaves of trees and is a biotrophic parasite. [2]