For ornamental plants such as roses, you would use 3 tsp of Bonide Mancozeb Concentrate per gallon of water.
Once mixed, Bonide Mancozeb Flowable with Zinc Concentrate
Per the product
According to the product label, grapes that are treated with
Yes, you could potentially mix Bonide Mancozeb Flowable with Sevin Insecticide concentrate. Be sure you are using the correct rates and applying only on plants listed on both product labels. We would not recommend mixing Mancozeb with the older formulations of Sevin that contain carbaryl since this may cause extra stress on the plants.
Bonide Mancozeb Flowable with Zinc Concentrate is not specifically labeled for needlecast.
We would recommend using Clearys Spectro 90 WDG. You will make your first application when the new shoot growth is 1/2 to 2 inches in length. You will make additional applications at 3-4 week intervals until the conditions are no longer favorable.
Bonide Mancozeb Flowable with Zinc Concentrate will take care of apple scab and cedar rust. Please refer to the product label for complete mixing and application instructions.