You could lightly
spot spray those fescues, ryes and clovers popping up with no more than 2% gly per gallon while the bermuda grass is dormate. But with reg compost top dressing and tea that bermuda should and will stangle out everythng. Take a
http://www.grassstitcher.com/ - seed and cover with a light compost top dressing this spring those problem areas. You could slit seed an annual rye this fall and have green all year. Rye only cost you about - $70 for 14,000 sq ft.