Cyhoeddir mwy o wybodaeth am hyn yn yr wythnosau i ddod ond at ddiben y tymor byr, mae deddfwriaeth wedi’i phasio i wahardd mewnforio planhigion ynn i’w trawsblannu gan eu bod yn cael eu hystyried fel tarddiad pwysig ar gyfer lledaenu’r haint.  Tan yn ddiweddar, ni fu pryder ynghylch y plâu a’r clefydau y gallai coed ynn fod yn eu cario .  Ni fu unrhyw gyfyngiadau ar brynu a gwerthu coed ynn rhwng gwledydd yr UE.
More details of how this approach will be implemented will be issued over the coming weeks but in the short term legislation has been introduced to stop the importation of ash transplants as they are considered to be a major source of spreading the infection in the wild. Until now, ash trees have not been of concern in terms of the pests and diseases they might carry.  The trade in ash trees between EU Member States was not subject to plant health controls.