Rural Affairs Minister Lesley Griffiths is reminding people what they can do to protect plants and trees in Wales from pests and diseases during National Plant Health Week.
Mae'r Gweinidog Materion Gwledig Lesley Griffiths wedi tynnu sylw at fygythiad byd-eang i iechyd pobl ac anifeiliaid wrth i wythnos ymwybyddiaeth fyd-eang ar y mater ddechrau heddiw.