Decided to do some searches on the subject. For those interested, here is what I found.
RES/GSF hybrids in farm ponds using parental stocking Edit: The above link does not work. If you will do a google search for the title "Potentials of Redear Sunfish X Green Sunfish in farm ponds using parentals for stocking" and you will find the PDF download link.
Will add more as edits as I find them.