Yes, Propiconazole 14.3 Fungicide can be applied to ornamental trees such as yoshino cherry trees.
Propiconazole 14.3 is a broad spectrum fungus and disease control product that systemically kills a range of diseases and protects a variety of flowers, cool and warm-season grasses, shrubs, and trees. It may be mixed at anywhere from .5 - 4 oz. per gallon of water to treat 1,000 sq. ft. of turf grass. Please refer to the product label for the full mix ratios and application rates.
Propiconazole 14.3 Fungicide is labeled to target leaf blight, but we would also recommend reaching out to a local nursery, arborist or your local county extension office for more information and tips on treating this disease.
Here is an article by the University of Illinois on Bur Oak Blight with some addtional information.
If brown patch is present then you would want to treat every 14 days. You can apply 2 applications of the Clearys 3336F Fungicide and then 2 applications of the Propiconazole 14.3 Fungicide.
Propiconazole 14.3 will work for oak wilt. Per the product label, using the product by trained arborists (in injection techniques) as a flare root injection for prevention and treatment works best. We recommend that you contact your local cooperative extension office and/or find an arborist who can help you with prevention methods in case you have trees that haven't been infected yet.
Propiconazole 14.3 Fungicide is only labeled for use on non-fruit bearing trees and could not be used on avocados.
Alternative options that can be applied on fruits and vegetables would be Southern AG Triple Action Neem Oil or Bonide All Seasons Horticultural and Dormant Spray Oil RTS.
Please refer to the product labels for application rates and more information. You can also speak to the master gardener at your local county extension office for more treatment options and recommendations.
Propiconazole 14.3Product Label only refers to not using above 90 degrees. However, the manufacture recommends not spraying under 55 degrees for optimal control.
Propiconazole 14.3 Fungicide is labeled for Heterosporium Leaf Spot also known as Exserohilum leaf spot at the rate of 5 to 8 fl oz per 100 gallons of water (0.05 oz to 0.08 fl oz per gallon of water) Apply as a full coverage spray to the point of drip.
Retreat every 21 days as needed, beginning when conditions are favorable for disease development.
Please view more information on ornamentals and landscape plantings starting on page 9 of the product label.
Propiconazole 14.3 Fungicide will target listed diseases but we do not offer information/advice on this for type injection of trees with products as it is for experienced, commercial applicators. This type of beetle can be prevented but not chemically treated once infested. Keep in mind that most trees infested with bark beetles are already suffering from other conditions such as disease, age, competition, etc.
Please view this great article by the Nevada Division of Forestry on the Fir Engraver Beetle.
For powdery mildew on roses, the rate of use is 5-8 oz of Propiconazole 14.3 Fungicide to 100 gallons of water or 0.05 to 0.08 oz (1.5 to 2.37 mL) per gallon of water.
Please read the product label for complete application instructions.
The Propiconazole 14.3 Fungicide Product Label states for anthracnose on ornamental plants: Mix 2-4 fl. oz. of Quali-Pro Propiconazole 14.3 in 100 gals. of water and apply as a full coverage spray to the point of drip. Apply every 14-21 days during the period of primary infection. If disease is present, tank mix with an EPA-registered contact fungicide.
Think of treating foliar diseases such as anthracnose like you would treating a rash or preventing yourself from a sunburn on your skin. If you cannot make full coverage to all your skin with the protective or curative product where the issue is occurring or might occur, then the treatment is not impacting those areas. Propiconazole is not generally seen as a systemic product and tree injection is not suggested for that disease anywhere on the label other than a specific application for prevention of anthracnose in sycamore trees. Drenching or injecting in this case would not solve the particular disease issue you have since it has to be treated directly on the surface where the spores of the disease are found. You likely will need to invest in a sprayer that provides the reach you need for your current tree size, and that will allow you to reach it as it continues to grow; or you may need to hire someone with a spray rig that can do the full foliar application that is required for that type of disease treatment.
Per the product label, for black spot on roses:
Mix 5-8 fl. oz. of Propiconazole 14.3 Fungicide 14.3 in 100 gals. of water and apply as a full coverage spray to the point of drip. Apply as needed, beginning when conditions are favorable for disease development. For blackspot, apply with a registered contact fungicide labeled for black spot.
That would break down to about 1.5 - 2.5 mL of concentrate per gallon of water.
Since this is a more commercial product, if you are treating home roses, then you may consider a formulation that is easier to measure for smaller applications, such as Fertilome Liquid Systemic Fungicide II:
https://www.domyown.com/fertilome-liquid-systemic-fungicide-ii-p-1540.html
This product is used at 1-2 tablespoons per gal of water for roses and flowers.
There is no set time restriction between seeding/grass germination and applying fungicides such as Propiconazole 14.3.
Milorganite Fertilizer 6 - 4 - 0 should not be applied when heavy rainfall is expected per the product label therefore we would suggest holding off if you are expecting a significant amount rainfall over the next few days.
We recommend also contacting your local Master Gardener at the County Cooperative Extension Office for the best advise on timing in your area for fertilizing, apply herbicides, weed identification as well as lawn diseases.
