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 also has some black spotting under the bark. I’m hoping it’s not damaged from fire blight. A: It looks like an older fire blight disease ...

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 ...

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 ...