What disease does my plum tree have?
Fungal plum tree diseases Brown rot is fairly easy to spot due to the small grey bumps that form on the fruit, underneath which the flesh will be discoloured. Left to develop, the fruit will shrivel on the branch. Brown rot can spread quickly so we recommend removing and burning all affected fruit as soon as possible.
What is wrong with my plum tree leaves?
Improper watering practices – Watering properly is important to prevent leaf drop. A number of fungal diseases may also contribute to lost leaves on a plum tree, and these include: Armillaria root and crown rot, Phytophthora, and Verticillium wilt. Foliar diseases, such as plum leaf spot, may be the culprit too.
What fungus attacks plum trees?
Armillaria Root Rot (Armillaria mellea) Armillaria root rot is commonly known as oak root fungus and is ultimately fatal to infected frees. The soil-borne fungus infects the root and crown of the plum tree, and by the time you can see above-ground symptoms, it is likely too late to save the tree.
How do you treat a diseased plum tree?
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 should I spray on my plum trees?
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.
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.
What is the best fungicide for plum trees?
Effective fungicides include fosetyl-al, which is applied to the leaves every 60 days, and mefenoxam, which can be applied in the early spring and fall. However, the best thing to do is prevent these fungal diseases by not overwatering and choosing a site with well-drained soil.
What do I spray my plum tree with?
A fungicide sprayed onto the tree will also limit damage very considerably. The best one we know of for Plum Pocket is Westland Plant Rescue Fungus Concentrate, the active ingredient is Difenoconazole. Spray the tree once in November and then again in March.
When do you spray insecticide on plum trees?
Spray every 10 days during fruit development. STOP spraying a week or so prior to harvesting. Your local extension office or a good nursery can help you further to create a schedule for spraying plum trees and offer advice on products and/or non-chemical options for controlling disease and pests on your plum tree.
What should I spray my plum tree with?
What kind of bug is on my plum tree?
While not technically a disease, plum curculio is a common problem with plum trees. This snout beetle pest and its young can wreak havoc on these fruit trees, causing extensive fruit drop and decay or scabbing of the fruits.
Why are my plums falling off my tree?
Additional Plum Problems While not technically a disease, plum curculio is a common problem with plum trees. This snout beetle pest and its young can wreak havoc on these fruit trees, causing extensive fruit drop and decay or scabbing of the fruits. Spraying trees with suitable pesticides is your best option in combating these pests.
What kind of problem is black knot on Plum Tree?
Black knot is a plum tree problem that begins as a velvet green knot in spring then turns black and swollen. Black rot may girdle limbs and in severe cases form on the tree’s trunk. This plum tree problem gets progressively worse without treatment and may halt useable fruit production. Plum Pocket Plum Disease
What to do if your plum tree is infected?
Once infected, the tree should be removed to avoid the risk of further plants and trees from becoming infected. Like most orchard plants, plum trees suffer from several insect pests which need careful monitoring and management:- Plum sawfly: this type of insect makes the plums inedible once infected.