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Burrs on a tree trunk in Norfolk, England. A burl (American English) or burr (British English) is a tree growth in which the grain has grown in a deformed manner. It is commonly found in the form of a rounded outgrowth on a tree trunk or branch that is filled with small knots from dormant buds.
"abdominal pain, diarrhea, potentially carcinogenic, with others can potentiate cardiac glycosides and antiarrhythmic agents" [3] Areca nut: betel nut Areca catechu "deterioration of psychosis in patients with preexisting psychiatric disorders"; [5] known carcinogen contributing to cancer of the mouth, pharynx, esophagus and stomach when chewed ...
Phytophthora cactorum has an extremely wide host range, and can infect over 200 species or 160 genera of trees, ornamentals, and fruit crops. [2] In general, P. cactorum is capable of infecting both young and old plants, and causes root rots and crown rots of the many genera it infects. Although the symptoms this pathogen produces varies ...
Chewing it causes a mild high, some stimulation, and much red saliva, which can cause nausea if swallowed. Withdrawal causes headache and sweats. Use is correlated with mouth cancer , [ 51 ] and to a lesser extent asthma and heart disease.
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.
The chemical, which is the active ingredient in the weed killer Roundup, can allegedly cause cancer. The oat products tested were made by General Mills, including several Cheerios varieties and ...
The human body breaks alcohol down into chemicals that can damage DNA, causing cells to grow out of control and become cancerous, according to the National Cancer Institute. Additionally, alcohol ...
Infection causes lesions on the leaves, stems, and fruit of citrus trees, including lime, oranges, and grapefruit. While not harmful to humans, canker significantly affects the vitality of citrus trees, causing leaves and fruit to drop prematurely; a fruit infected with canker is safe to eat, but too unsightly to be sold.