Search results
Results from the WOW.Com Content Network
The sugar maple is easy to differentiate by clear sap in the petiole (leaf stem); Norway maple petioles have white sap. [citation needed] The tips of the points on Norway maple leaves reduce to a fine "hair", while the tips of the points on sugar maple leaves are, on close inspection, rounded. On mature trees, sugar maple bark is more shaggy ...
Rhytisma acerinum. Schwein., (1832) 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 ...
A. pseudoplatani. Binomial name. Aceria pseudoplatani. Corti, 1905 [1] Synonyms. Eriophyes pseudoplatani [2] Aceria pseudoplatani causes the sycamore felt gall that is found on the leaves of sycamores (Acer pseudoplatanus) or Norway maple (Acer platanoides), [3] and is caused by an acarine gall-mite.
Acer villosumC. Presl (1822) Acer pseudoplatanus, known as the sycamore in the British Isles and as the sycamore maple in the United States, [ 3 ] is a species of maple native to Central Europe and Western Asia. It is a large deciduous, broad-leaved tree, tolerant of wind and coastal exposure.
5. Norway Maple. Norway maple is another problematic maple, which was overplanted as a shade tree. It has an incredible number of widely spreading winged seeds, so it has become invasive in some ...
Acer rubrum, the red maple, also known as swamp maple, water maple, or soft maple, is one of the most common and widespread deciduous trees of eastern and central North America. The U.S. Forest Service recognizes it as the most abundant native tree in eastern North America. [ 4 ] The red maple ranges from southeastern Manitoba around the Lake ...
The sugar maple is most easily identified by clear sap in the leaf petiole (the Norway maple has white sap), brown, sharp-tipped buds (the Norway maple has blunt, green or reddish-purple buds), and shaggy bark on older trees (the Norway maple bark has small grooves). Also, the leaf lobes of the sugar maple have a more triangular shape, in ...
Avoidance of antigen exposure. Treatment. Avoidance of antigen exposure and sometimes steroids. Hypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a syndrome caused by the repetitive inhalation of antigens from the environment in susceptible or sensitized people. [ 1 ][ 2 ] Common antigens include molds, bacteria, bird ...