What are some diseases which can affect the trunk of a sand cherry tree?

Answer by  Vidhya (42)

They are prone to getting trunk cancer, which is generally incurable and will require replanting. Powdery mildew is another affliction common to purple leaf sand cherry bushes, avoided by watering the plant only underneath leaves and ensuring that the plants receive adequate sunlight. Fungal spots on leaves can also appear

Answer by  jamminjan0208 (102)

There are several pests that can contribute to the demise of the sand cherry tree. It appears you may have a peachtree borer infestation. The pupa stage borers can be hand removed or treated with insect parasitic nematodes, the best defense is in preventative maintenance spraying the trunk with a recommended pesticide on a yearly basis.

Answer by  Moi (88)

Black knot (i. e. , when you start seeing black knots on the wood) is probably the most common disease, and pruning is the best way to get rid of them.

Answer by  okcmouseketeer (779)

There are several different borer insects that bore into the tree to lay larva, contact a local nursery or garden center to find out what borers are in your area.