In general copper products are antibacterial as well as anti fungal, how antibacterial it is depends on the amount of cupric ions that are released by the product. It also depends on the particular copper compound in the fungicide that you are applying. Not all bacteria are affected in the same way by the same copper compounds. Some will be killed off, some will have a inhibited populations and some may be resistant and largely unaffected.
I was reading at Natural Industries that Actinovate is compatible with low application rates of copper hydroxide fungicides, but not copper sulphate at all.
It's probably a good question for Natural Industries to see if they have tested the product you are using with Actinovate.
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