The Plant Health (England) Order 2015

Measures which may be required in relation to a contaminated place of production

7.  The second set of eradication measures are—

(a) the measures to be taken in the field from the date of receipt of the notice and for four growing years from the start of the first growing year so as to eliminate volunteer potato plants, and other naturally-found host plants, of Potato ring rot;

(b) a requirement that, during that period, the field be maintained in bare fallow or in permanent pasture with frequent close cutting or intensive grazing; and

(c) a requirement that in the first potato cropping season following that period only potatoes for ware production be planted, provided that the field has been found free from volunteer potato plants and other naturally-found host plants of Potato ring rot for at least two consecutive growing years prior to planting.