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The most common plum tree diseases include black knot, plum pocket, brown rot, plum pox virus, perennial canker, and bacterial leaf spot.
- What diseases affect plum trees?
- How do you treat a diseased plum tree?
- What is killing my plum tree?
- What fungus attacks plum trees?
- What is wrong with my flowering plum tree?
- How do I get rid of fungus on my plum tree?
- How do you revive a dying plum tree?
- How do you treat brown rot on a plum tree?
- What is killing my fruit trees?
- What can I spray on my plum tree for bugs?
- Why does my plum tree have holes in the leaves?
What diseases affect plum trees?
PLUM TREE PESTS AND DISEASES
- PLUM SAWFLY. The picture above shows the damage done to plums by the plum sawfly (Hoplocampa flava). ...
- PLUM TREE LEAF CURL. ...
- APHIDS. ...
- PINK MAGGOTS INSIDE PLUMS. ...
- PIGEONS. ...
- BROWN ROT OF PLUM TREES. ...
- WINTER MOTH. ...
- SCALE INSECTS.
How do you treat a diseased plum tree?
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. The fungicide is to prevent more problems; it cannot cure it. Use a fungicide that has an active ingredient of chlorothalonil or thiophanate-methyl.
What is killing my plum tree?
Plum aphids are another common pest found on plum trees. Aptly names, as plum leaves are the pests' favorite food. These aphids are green, yellow or brown and under ½ inch (1.25 cm.) ... The curled leaves then do not photosynthesize properly, which stunts the tree and/or fruit and, in severe cases, will kill the tree.
What fungus attacks plum trees?
Black knot is a widespread fungal disease that attacks plum and cherry trees, both fruiting and ornamental. The fungus, Apiosporina morbosa, (also identified as Dibotryon morbosum and Plowrightia morbsum), singles out trees of the genus prunus, which includes peach, apricot, and chokecherry.
What is wrong with my 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. ... This disease can progress to kill the tree.
How do I get rid of fungus on my plum tree?
Prune out all infected branches in late winter (late February through the end of March) and destroy them by burning, burying, or throwing them away. Remove at least 3-4 inches of healthy tissue below each knot to ensure elimination of the fungus.
How do you revive a dying plum tree?
Prune away some of the roots, and transfer the tree to either a larger container, or plant the tree directly into the ground. Above ground pruning. Keep an eye out for any diseased, dying, or dead branches. If you spot any go ahead and prune those as you normally would.
How do you treat brown rot on a plum tree?
There is no specific remedy for brown rot, but eliminating apple scab, which can cause fruit to split, will help reduce the likelihood of an attack.
What is killing my fruit trees?
If fruit trees have a lot of sunlight beating down on the trunks and limbs without much protection from the canopy, they can be sunburned, borers can enter the tree and cause the tree to begin dying, one branch at a time. ... Eventually the tree dies from damage created by borers in a couple of seasons.
What can I spray on my plum tree for bugs?
Once the fruit begins to develop and the husks are pulling back from the fruit, spray plums with spinosad, esfenvalerate or permethrin to control the twig borers. Spray again with a mix of fungicide, malathion and sulfur to control leaf curl, plum pocket, scab and brown rot and aphids.
Why does my plum tree have holes in the leaves?
Answer: Plums, apricots and peaches all get a bacterial disease called "bacterial leaf spot." It is also commonly called "shot hole disease," because it looks like someone stood back and shot the leaves with a shotgun. The disease spends the winter in the stems.
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