The Royal Horticultural Society explains: "Apple canker is a disease caused by a fungus, Neonectria ditissima, which attacks the bark of apples and some other trees, causing a sunken area of dead ...
An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...
However, almost all mature American elm trees have been killed in the last 50 years by Dutch elm disease, which is caused by a fungus, Ophiostoma novo-ulmi, introduced from Asia. Elm bark beetles ...
Bark stripping is a common practice among many species of tree squirrels. Squirrels don’t actually eat the bark; they strip away the top layer to get to the sweet, phloem tissue underneath. Bark ...
Minnesota Agriculture Commissioner Dave Frederickson this week moved to protect the state’s 6 million eastern black walnut trees and the state’s walnut timber producers by issuing a ...
According to the Royal Horticultural Society: "Apple canker is a disease caused by a fungus, Neonectria ditissima, which attacks the bark of apples and some other trees, causing a sunken area of ...
According to the Royal Horticultural Society: "Apple canker is a disease caused by a fungus, Neonectria ditissima, which attacks the bark of apples and some other trees, causing a sunken area of ...
It is also known as slime flux. Wetwood is a common disease affecting the central core or bark of shade trees, such as elm. The stain is caused by slime generated from fermentation pressure in ...
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