The Judds, an award-winning mother-daughter country music duo, will call it quits at the end of their current concert tour, they announced Wednesday. Naomi, 44, will retire from performing due to hepatitis, which was diagnosed 10 months ago. Wynonna, 26, will start a solo career with an album tentatively slated for a spring 1992 release. ``I have always told Wy and our fans the only thing that could stop me from this career that I so desperately love would be my health,'' Naomi said. ``Unfortunately, that has happened.'' Their current tour is booked through Nov. 4 at Philadelphia, but RCA spokesman Greg McCarn said additional dates were certain to be set. ``I will miss touring and the daily interplay with our fans,'' said Naomi, who said she will continue writing songs. The mother and daughter announced their decision in a tearful news conference at an empty Music Row building that formerly housed RCA Records and where the duo auditioned seven years ago. The Judds were voted duo of the year for the third straight year Oct. 8 by the Country Music Association. In their acceptance remarks, both fought back tears as they credited each other. Their hit records over their six-year career include ``Grandpa,'' ``Mama He's Crazy,'' ``Why Not Me,'' ``Rockin' With the Rhythm'' and their current ``Born to Be Blue.'' Four of their eight albums have sold 1 million copies: ``Why Not Me,'' ``Rockin' With the Rhythm,'' ``Heartland'' and ``The Judds' Greatest Hits.'' Wynonna said her first solo recording sessions would be after the current tour winds up. ``The decision to begin a solo career has all happened so fast because of Mom's health that I have not put a lot of thought into it,'' she said. ``My main concern right now is Mom's welfare. However, I have the complete support of my manager, my mother and others around me. I certainly will give it my best shot.'' Hepatitis is an inflammation of the liver. Symptoms include weakness, loss of appetite, nausea, vomiting and jaundice. Wynonna announced in July that she is engaged to songwriter Tony King of Nashville. Naomi, a former nurse, married gospel music singer Larry Strickland in May 1989. She was divorced in 1977 from her first husband.