Davis is expected to announce a Democratic bid for governor on Thursday. | AP Photos Abbott leads Davis by single digits

Texas state Sen. Wendy Davis trails Attorney General Greg Abbott by single digits in a governor’s race matchup, a new poll says.

According to a survey from the nonpartisan public policy group Texas Lyceum, Abbott, the likely Republican candidate for Texas governor, leads Davis 29-21 percent.


Davis, who made her national name this year filibustering an abortion measure, is widely expected to announce a Democratic bid for governor on Thursday.

( WATCH: Wendy Davis filibusters in Texas)

The poll also found that 50 percent of registered voters surveyed were undecided.

The survey of 798 registered voters was conducted Sept. 6-20 and has a margin of error of plus or minus 3.4 percentage points.