Gwnaeth diwygiadau blaenorol i’r Amodau Ffytoiechydol gywiriadau yr oedd eu hangen i'r drefn rheoleiddio iechyd planhigion. Eu heffaith oedd ehangu cymhwysedd gweithredol Gweinidogion Cymru drwy roi swyddogaethau heb lyffethair iddynt (yn rhinwedd eu swydd fel 'Awdurdod Cymwys' i Gymru). Bydd y Gweinidog am nodi nad yw'r Rheoliadau yn trosglwyddo unrhyw swyddogaethau i'r Ysgrifennydd Gwladol.
Previous Phytosanitary Conditions Amendments put in place previous corrections required to the regulatory regime for plant health. These broadened the executive competence of the Welsh Ministers by conferring functions on them (in their capacity as the ‘Competent Authority’ for Wales) without encumbrance. The Minister will wish to note that the Regulations do not transfer any functions to the Secretary of State.