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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] The disease is cosmetic ...
Rhytisma punctatum is a species of fungus in the family Rhytismataceae. The fungus causes speckled tar spot of maple leaves. The small spots are black, raised from the leaf surface, and occur in dense groups on the upper surface. Areas afflicted by the fungus will retain their color even after the remainder of the leaf has faded. [2]
Rhytisma acerinum, a fungus species that causes tar spot disease of maples Index of fungi with the same common name This page is an index of articles on fungus species (or higher taxonomic groups) with the same common name ( vernacular name).
A decade on from the arrival of the disease in the UK, the Woodland Trust wants to see action to boost British nurseries to protect our woods. ‘Real threat’ of importing new tree diseases as ...
The spores are hyper-allergenic and cause a condition called maple bark stripper's disease, a hypersensitivity pneumonitis. [51] [52] Less serious is the fungus Rhytisma acerinum which often forms the disease known as tar spot, in which black
Rhytisma is a genus of fungi in the Rhytismataceae family [1] commonly known as 'tar spot'. There are about 18 species , [ 2 ] which live parasitically in the leaves of deciduous trees. Species
Cristulariella depraedans, commonly known as gray mold spot, sycamore leaf spot or bull's eye spot, is a fungal pathogen that affects maple trees (genus Acer) and certain other woody and herbaceous species. In maples, the foliage becomes affected by small grey lesions which expand and coalesce, the leaves later wilting and falling from the tree ...
Eutypella canker is a plant disease caused by the fungal pathogen Eutypella parasitica. This disease is capable of infecting many species of maple trees and produces a large, distinguishable canker on the main trunk of the tree. Infection and spread of the disease is accomplished with the release of ascospores from perithecia.
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