Unless you go about 2 feet down no it won’t help. Even then they may still go deeper to get by it. It will slow them down.
The reason is reds can carry viruses that will kill the blacks. But fresh stock is virus free so any virus they pick up will be local and the blacks may too so no concern about it at all.
Jewel won’t produce on primocanes either, only floricanes.
If I was you I would look for Baba berry that one grows well in your area. Bay Laurel carries it. You do have too much sun even for Baba but Baba can take the heat, and you may find some of your others will not.