S.C. Code Regs. § 27-145
FIELD INSPECTIONS
At least two field inspections shall be made each year at such time as, in the judgment of the certifying agency, is most appropriate. On any one such inspection pest tolerances shall not exceed the following percentages:
Pest | Tolerances |
Rugose Mosaic | 2% |
Spindle Tuber | 2% |
Leafroll | 2% |
Total of above virus diseases not to exceed | 3% |
Mild Mosaic | 5% |
Other diseases known or suspected to be of virus origin, | 2% |
such as yellow dwarf, witches' broom, haywire, giant | |
hill, rosette, spinach leaf, curly dwarf | |
Sclerotium rolfsii wilt | 1% |
Tuber Moth | 0% |
Potato Wart | 0% |
Bacterial Wilt--Soft Rot, Ring Rot | 0% |
TUBER INSPECTION--at time of shipment | |
Stem End Discoloration | 4% |
Hair Sprout | 5% |
Spindle Tuber | 1% |
Scab and Rhizotonia | 6% of the tuber, by weight, that have more than 5% of the surface covered by scab or Rhizoctonia. |
Net Necrosis | 5% |
Tuber Moth | 0% |
Late Blight | 1% |
Sclerotium rolfsii wilt | 1% |
Nematodes | 0% |
Potato Wart | 0% |
Bacterial Wilt,--Soft Rot, Ring Rot | 0% |
S.C. Code Regs. 27-145