A: Those swollen and disgusting-looking growths that form on the branches and twigs of your plum trees are caused by a fungal disease called black knot ... remove the tree entirely or prune ...

I have a plum tree that has black growth on some ... Sounds as if you have a problem called black knot. Black knot is a fungal disease that affects plants in the plum family such as cherries ...

or does the tree need to be removed? – D. L., Muenster, Indiana A. This appears to be a fungal disease called black knot, which is very common on certain Prunus species – most notably ornamental and ...

When should I spray my purple-leaf plum ... disease they seem to get every year? A: That is a problem-prone tree, in my opinion. The dark leaves are nice, but it usually ends up getting scale and ...

If you have cherry or plum trees, now's a good time to check for a disease called black knot fungus ... Most of the time people cut the tree down before it dies because it looks so bad." ...

It has the appearance of dog feces wrapped around a branch and tends to turn a beautiful ornamental tree ... Black Knot Disease. It affects a wide range of plants in the Prunus genus, including ...

Q Could this be bacterial galls I'm seeing on older Santa Rosa plum trees ... A The black, gnarly growths are actually caused by a disease known as black knot of plums. Each year the disease ...

Q Could this be bacterial galls I'm seeing on older Santa Rosa plum trees ... A The black, gnarly growths are actually caused by a disease known as black knot of plums. Each year the disease ...