Southern Ag Liquid Copper Fungicide can be used at a rate of 2-4 tsp. per 2 gallons of water per 1,000 square feet on Citrus and 4 tsp. per 2 gallons of water per 1,000 square feet on Avocados.
While Southern AG Liquid Copper Fungicide does state on the product label that it can be used on roses, there is a side note that discoloration of foilage and/or blooms has been noted on some varieties. You would not be able to drench the soil around the rose bush as it needs to be applied directly the foilage itself to be effective.
Southern AG Liquid Copper Fungicide is labeled to control Anthracnose on mangos which can cause black spots. You should use 4 tsp per gallon of water and apply weekly from the time the panicles are 2 inches in length until all fruits are set, then monthly therafter until August. This article from your FL Extension has more information about this and other common mango diseases.
Southern AG Liquid Copper Fungicide is labeled for use on turfgrass to control algae at a rate of 1 pint per 1000 sq ft in at least 5 gallons of water. So to treat 200 square feet, you would use 3.2 oz of concentrate in at least 1 gallon of water. The best way to do this at a setting of 2 oz per gallon of water would be to put 3.2 oz of concentrate in your hose-end sprayer reservoir and then apply the product evenly over the area until you are out of product.
The mix rate for Southern AG Liquid Copper Fungicide for ornamentals is 2 teaspoons per gallon of water.
We would recommend that you consult with your local cooperative extension office Master Gardener to determine what is causing the boxwood to appear unhealthy. Southern AG Liquid Copper Fungicide is safe for applications to established shrubs, trees, ornamental flowers, etc if used as directed.
Southern AG Liquid Copper Fungicide is labeled for grapes at 1 tsp per gallon of water.
Southern AG Liquid Copper Fungicide is not labeled for application to plum trees so we cannot recommend it for this use. The first thing you would need to do is to get the problem identified. Holes in leaves could be caused by an insect, not a fungus and a fungicide would not affect insects. It would be a good idea to contact your local cooperative extension office and ask to speak to the master gardener on staff, or you can contact your local department of agriculture to seek advice. These professionals may ask for pictures of your trees, samples of the foliage, or they may come to your property to inspect the trees
Southern AG Liquid Copper Fungicide is a fungicide only and would not effect insects such as scale.
Liquid Copper Fungicide is not labeled to treat brown rot on cherry trees, and we do not see recommendations of using this active ingredient for this disease. We would recommend instead to use Bonide Citrus, Fruit, and Nut Orchard Spray Concentrate.This Extension article has great information about treating and preventing this disease.
Mancozeb is not authorized for tank mixing with other products due to chemistry. Removing any infected buds, blossoms, fruit, contaminated leaves, twigs from around and under the tree is key for proper sanitation. You could treat with the Liquid Copper fungicide.
It's not recommended for Southern AG Liquid Copper Fungicide to be used on a plant that is not listed on the label because more than likely it has not been tested for sensitivty to the product. We would recommend to check with a nursery that deals with Var Pittosporum or with the master gardener at your local cooperative extension office to identify what disease you're treating for and what would work.
Southern AG Liquid Copper Fungicide is not specifically labeled for raspberry bushes. Please provide the targeted disease for an alternate recommendation. We are happy to help!