use pesticides, except for herbicides to spot tree or weed wipe for the control of injurious weeds, (where appropriate, Invasive Non-Native Species (INNS), nettles or bracken
defnyddio plaladdwyr, ac eithrio chwynladdwyr i sbot-chwynnu coed neu glwt-chwynnu i reoli chwyn niweidiol, (lle bo'n briodol, Rhywogaethau Anfrodorol Ymledol (INNS), danadl neu rhedyn)