Some cherry and plum trees in the central Ohio area are turning black from a fungal disease. Here's what you need to know.

Black knot, a fungal disease, is affecting cherry and plum trees in the Greater Columbus area, likely due to recent wet weather. The disease causes hard, black knots on branches, disrupting growth ...

Black knot, a fungal disease, is affecting cherry and plum trees in the Greater Columbus area, likely due to recent wet weather. The disease causes hard, black knots on branches, disrupting growth ...

Black knot, caused by the fungus Apiosporina morbosa, has been identified in several cherry trees in Columbus. While the fungus primarily attacks cherry and plum trees, ...

Black knot, a fungal disease, is affecting cherry and plum trees in the Greater Columbus area, likely due to recent wet weather. The disease causes hard, black knots on branches, disrupting growth ...

Black knot, a fungal disease, is affecting cherry and plum trees in the Greater Columbus area, likely due to recent wet weather. The disease causes hard, black knots on branches, disrupting growth ...

Black knot tree fungus is getting worse, according to the city's forestry expert. CBC News · Posted: Feb 14, 2013 8:38 AM EST | Last Updated: February 14, 2013. Social Sharing.

Question: I have a flowering cherry tree that has ugly "lumps" growing up the trunk and on the bigger branches, the tree is around 20-feet tall. I have been told ...

Black knot fungus is a scourge on many of Calgary’s trees each year, but the mild winter and lack of snow means this is a good time to check your trees, says a city… ...

Symptoms. The black knot fungus attacks twigs and branches with infections starting on the youngest growth on the tree. Infected trees will have brown gall-like structures called knots enveloping ...

Black knot, caused by the fungus Apiosporina morbosa, has been identified in several cherry trees in Columbus. While the fungus primarily attacks cherry and plum trees, ...

Black knot, caused by the fungus Apiosporina morbosa, has been identified in several cherry trees in Columbus.While the fungus primarily attacks cherry and plum trees, it can also infect apricots ...