A common fungal disease of cherry and plum trees is widespread in Greater Columbus, likely worsened by the abnormally wet conditions experienced locally both this spring and last spring. Black knot, ...

Q: I have a decorative tree called a sand cherry. I just noticed it has many places on the branches with raised black, deformed lumps. It is on almost every branch. Some of the branches are dead. This ...

Editor’s note: How Does Your Garden Grow is a series the Gazette will feature again this growing season, provided by master gardener Ken Oles of Wrentham. He will discuss various backyard gardening ...

I first want to thank my readers for helping me out by asking me questions. For me, one of the things I enjoy is working on these projects and helping people. A reader from Mohicanville got in touch ...

Hey folks, August is cruising along, and another week has gone by. Many of us are still trying to make the best of this crazy summer weather. It's never too early to start thinking ahead to what's ...

Chokecherries, North Dakota's new state fruit, are under attack from an ugly black lump. The black knot fungus is "the scourge of chokecherries. It's really bad," said Ron Smith, North Dakota State ...

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. You may have noticed the ...

American Journal of Botany, Vol. 1, No. 3 (Mar., 1914), pp. 112-126 (17 pages) 1. Knots arise primarily from the infection of the stem by spores, and secondarily by the spreading of the fungus through ...

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 expert. “I don’t think the warm ...

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 and ...