Some conditions that can mimic canker sores include traumatic injury, autoimmune conditions, viral infections (such as herpes simplex and herpes zoster [shingles]), and most importantly, oral cancer. In addition, oral ulcers can be associated with a number of systemic conditions in which the oral ulcers represent only a small part of the underlying problem. A general rule of thumb recommended b...

Some conditions that can mimic canker sores include traumatic injury, autoimmune conditions, viral infections (such as herpes simplex and herpes zoster [shingles]), and most importantly, oral cancer. In addition, oral ulcers can be associated with a number of systemic conditions in which the oral ulcers represent only a small part of the underlying problem. A general rule of thumb recommended b...

in recent years, shallow bark canker of walnut (juglandis regia l.) trees has become fairly widespread in iran. to determine the distribution of the disease in golestan, mazandaran and gilan provinces, from early summer to mid-fall seasons of 2004, more than one hundred bark samples were collected from walnut trees showing symptoms of shallow bark canker. sixty strains of bacteria were isolated...

Lemon cypress (Cupressus macrocarpa cv. Goldcrest) is a coniferous Cuppressaceae tree and popular in urban landscapes of Turkey. In July 2021, dark-brown elongated bark lesions resin exuding cracks with die-back symptoms were observed on the main stem young C. Goldcrest trees private house garden central district Çanakkale Province Fungal isolations made from margin cankers consistently yielded...

Background American chestnut is a tree of great historical, ecological, and economical importance. It once dominated forests in eastern United States until the introduction of chestnut blight fungus (Cryphonectria parasitica) in the late 19th century. Within 50 years, C. parasitica killed almost all of the 4 billion American chestnut trees in the eastern United States. The fungus first infects ...