One application of atrazine might yellow the bermuda for a month, but do not get the idea it will kill it. I do know that healthy St Augustine will tolerate Revolver at 20 oz per acre and you have no problems using it on bermuda.
They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety.
Benjamin Franklin 1775
Sell not virtue to purchase wealth, nor Liberty to purchase power.
Benjamin Franklin Poor Richard's Almanac1738