Tolerances

Sweet potatoes certified must not exceed the following tolerances on any one inspection or on a combination of all inspections: (1) (a) Fusarium Wilt (Stem Rot) - 1/10 of one per cent. (b) Black Rot - 1/10 of one per cent. (c) Charcoal Rot and other storage rots - 2% if properly culled. (d) Internal Cork - none. (e) Mosaic - none. (f) Certification may be denied for seriously damaging infestations by other diseases or pests, such as scurf, nematodes, wireworms, flea beetles or other diseases or insect pests. (g) Not limited by the above, any seriously injurious plant pest or disease appreciably damaging to sweet potatoes or capable of being spread or transmitted to new areas by the movement of sweet potato roots or tubers, or vines, plants, slips or draws.