Keep a log of the things that your daughter tells you about the brainwashing. Present this to the Master or Judge hearing the case. You might consider asking the court to order counseling so that the father can be instructed/advised that the brainwashing is not good for the child.
You will need to retain an aggressive, experienced family law attorney to handle your case so that the alienation tactics can be brought to the attention of the Judge. If you don't take steps to stop this behavior right away, your child will suffer and your relationship with her could eventually be irreparably damaged. It would be helpful to get the child into counseling as soon as possible.
My response is based solely on the limited information contained in the question. It is not meant to substitute your attorney's advice.
I agree with the other two attorneys on this matter. You should take a proactive approach, and bring these developments to the Court's attention. Contact the courthouse in the county in which the case would be heard, and ask if they provide unrepresented parties such as yourself any assistance in preparing a motion to present this problem to the judge. You will likely be able to get some sort of hearing or conciliation with your motion, at which time these problems can be addressed. In the alternative, you may want to consider consulting with an attorney. An attorney can not only help you with the process described above, but also attempt to negotiate a better arrangement with the other side in the meantime. Good luck!