How do you treat a plum tree disease?
Treatment is aimed at limiting the spread of the spores and at the same time spraying the tree before fruit buds form in early spring. The first course of action is to remove and burn all affected fruit including those which have fallen to the ground.
What fungus attacks plum trees?
Answer: Black knot is a disease that attacks plum and cherry trees (Prunus spp.) —both ornamental types and those grown for their fruit. The disease is caused by a fungus called Apiosporina morsoba (syn.
How do you treat a plum tree fungus?
Using a fungicide is recommended only for trees with severe fungal problems or valuable trees. Apply the fungicide when the trees are dormant in the spring – when there are no green buds, leaves or flowers present. Then, spray again when the flower buds color up.
Can a plum tree recover from leaf curl?
Once leaf distortion has occurred there is little can be done to deal with plum leaf curling aphid. On tall trees as treatment is only likely to be successful if the entire plant can be reached.
What are the most common plum tree diseases?
Some of the most common plum tree diseases that are caused by fungal infections are black knot, brown rot, powdery mildew, verticillium wilt, perennial canker and plum pockets. The bacterial diseases affecting plums are crown gall, bacterial spot and shot-hole. Plum tree diseases like plum pox virus and plum rust are caused by pests like aphids.
How do you get rid of fungus on Plum Tree?
Solution. For control of fungus on plum trees, remove and destroy infected parts, including creating a radius of approximately 1 inch of healthy wood surrounding the removed knot. Remove wild stone fruit trees from an area within a 500-foot radius of infected trees to prevent further spread of disease, according to the Penn State University…
What are the diseases of the ornamental flowering plum tree?
Cankers, galls and mildews are common fungal diseases of ornamental plum trees. Kansas State University reports that purple-leaf plum is particularly prone to develop Cytospora cankers, which are caused by Leucostoma and Valsa fungi.
Does my plum tree have canker?
If your plum tree is bleeding sap, it may be affected by canker , or by other forms of fungal or bacterial diseases, like pseudomonas. Several types of borers, like peach tree borers, can infect plum trees. Borers are easy to distinguish from disease because the sap is mixed with frass (the debris and fecal matter left behind by boring insects).
