We live in a forested neighborhood so cannot remove surrounding trees. Fungicides for Home Gardeners RHS Gardening Advice April 2020 Inclusion of a fungicide product in this leaflet does not indicate a recommendation or endorsement by the RHS Gardening Advice. Often troublesome and sometimes deadly, tree fungus complicates the life of many gardeners and arborists. There are both chemical and natural fungicides, and even homemade fungicides for gardens. Hi Deb! Do you think this homemade fungicide could benefit them? The product we like is Natria Fungicide (find it here on Amazon) which seems to work on nearly any kind of outdoor fungus. Both can be managed with fungicide sprays, but the timing of application differs for each. It is important to treat diseases in trees, shrubs and ornamentals before they cause too much damage to leaf tissue or bark. Specifically, myclobutanil controls powdery mildew, scab and rust on apple trees; brown rot, powdery mildew and blossom blight on stone fruits like peaches; and powdery mildew and black rot on grapes. It is quite effective. These fungicides have multiple modes of action, which allows little chance for resistance since the fungus must undergo multiple changes to counteract the fungicide. Using Organic Fungicide Recipes. Tree, shrub and ornamental fungicides for preventing and eradicating diseases such as Powdery Mildew, Rust, Scab and Altenaria Leaf Blight. Introduction Some diseases can be controlled by several different fungicides. A good fungicide can do wonders on tree fungus. Alexis says. Myclobutanil is a systemic fungicide that controls fungal diseases like powdery mildew, fungal leaf spots, rusts and anthracnose on many different kinds of flowers, shrubs and trees. Tree fungus can be managed in order to save the tree. Just make sure it is designed for use in the landscape, on trees and shrubs. Systemic fungicides like Inspire Super, Vangard, Scala, Flint, Sovran, Merivon, Pristine, Luna Sensation, Luna Tranquility, Fontelis, Rubigan, and Rally are highly effective against many tree fruit diseases. I have never used this on fruit trees, but gardeners say it is good for all fruits and vegetables. Armed with some common gardening tools, a little fungicide and a good schedule of maintenance, any gardener can keep tree fungus at bay. Both diseases can progress over the years to make trees very unsightly. There are mold fungicides and lawn fungicide and one can’t be substituted for the other. Now that you’ve learned how to make your own fungicide, use it … Apple tree rust, regular leaf fungus, even lawn fungus. Reply. There are different types of fungicide to deal with different forms of fungus. To manage Diplodia tip blight requires three fungicide applications, once when buds begin to swell (late April), again in early May, and again in … April 5, 2019 at 9:38 am. If you need less, like for a gallon, reduce the recipe for this homemade plant fungicide to 6 1/2 to 8 teaspoons (32-39 mL) of the copper sulfate and 3 tablespoons (44 mL) limestone to 1 pint (.5 L) of water. This is a list of products available to the home gardener. Types of Fungicide.