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 ...

Q: I came back from vacation and my Gala apple tree branch ... under the bark. I’m hoping it’s not damaged from fire blight. A: It looks like an older fire blight disease is now in the trunk ...

These diseases can disfigure the leaves and the fruit, reduce the yield, and weaken or kill the tree over time. The best way to combat them is to choose an apple variety that has been bred to ...

Gardeners with apple or pear trees are being warned to check them in January for a potentially deadly disease. Alan Buckingham, author of Allotment Month By Month, advises in the January section ...

The list of diseases attacking trees in the Pacific Northwest grows every year. A pathogen new to Pierce County brings an added concern: It can injure people. A research project using citizen ...

Sooty bark disease comes from a fungus that has ... Entomologists believe its host plants include apple and cherry trees. WSDA says it doesn’t know if the one seen in Washington is a one-off ...

Joellen Dimond discusses fall garden tips, and Mr. D. talks about apple tree diseases. This week on The Family Plot: Gardening in the Mid-South, University of Memphis Director of Landscape Joellen ...