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Cankers are found on the stem and will have a sunken border. Cankers can be long, up to 6 inches, but do not appear until flowering. [3] Other early symptoms can include necrosis and bronzing of intervenial areas of leaves at or above the stem lesion. Wilting and death of leaves above the canker also occurs. [4] Leaves above the site of ...
Butternut canker is a lethal disease of butternut trees, and has no cure.. A plant canker is a small area of dead tissue, which grows slowly, often over years. Some cankers are of only minor consequence, but others are ultimately lethal and therefore can have major economic implications for agriculture and horticulture.
It is a rare disease in dogs, with cats seven to ten times more likely to be infected. The disease in dogs can affect the lungs and skin, but more commonly the eye and central nervous system. [20] Ringworm is a fungal skin disease that in dogs is caused by Microsporum canis (70%), Microsporum gypseum (20%), and Trichophyton mentagrophytes (10% ...
Charcoal root disease Macrophomina phaseolina: Conifer – aspen rust Melampsora medusae: Conifer – cottonwood rust Melampsora occidentalis: Cytospora canker Leucostoma kunzei. Cytospora kunzei [anamorph] Valsa abietis Cytospora abietis [anamorph] Damping-off Fusarium spp. Phytophthora spp. Pythium spp. Rhizoctonia spp. Dermea canker Dermea ...
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Diaporthe eres is a fungal plant pathogen, which is the type species of genus ''Diaporthe''. It causes canker disease in a wide variety of hosts. [1] This species has a long history, having been described many times under various synonyms, for instance, the fungus was illustrated by James Sowerby in 1803 under the name Sphaeria ciliaris, attributed to Bulliard.
Broad dead areas known as cankers form on the main stem, branches, young twigs, and exposed roots. Most cankers are covered with bark cracks. The fungus forms a dark mat of branching mycelium below the bark, from which arise peg-like hypha that lift and rupture the bark. In the later stages of infection, the bark above the canker is shredded.
Pemphigus foliaceus is the most common autoimmune skin disease in dogs, making up around one-third of all canine autoimmune disorders. [16] This disease usually affects areas of the ears and face. [9] Early symptoms are characterized by depigmentation of the nasal palate, dorsal cleft in the mouth, the ear, and the periocular area around the ...