There should be no isuse tank mixing Southern Ag Garden Friendly Fungicide with other products as long as each label is followed for rates and none state they cannot be tank mixed.
Yes, a hose-end sprayer can be used with Southern Ag Garden Friendly Fungicide, however, we would recommend using a pump sprayer. With fungicides, it is important to know how much product is being applied per 1000 square feet. With a hose-end sprayer, you will not be able to accurately measure that.
Southern Ag Garden Friendly Fungicide per the label is best applied when rain is not expected within 24 hours after application.
Southern Ag Garden Friendly Fungicide states it is safe for fruit trees. It is recommend to use 1 teaspoon per gallon per the product label.