7 CFR 51.1565 – Internal defects
Current as of: 2024 | Check for updates
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Internal defects are defects which cannot be detected without cutting the potato. Some internal defects are listed in Table VII.
Table VII—Internal Defects
Defects | Damage Maximum Allowed | Serious Damage Maximum Allowed |
---|---|---|
Ingrown Sprouts, Internal Discoloration, Vascular Browning, Fusarium Wilt, Net Necrosis, Other Necrosis, Stem End Browning | 5 percent waste | 10 percent waste. |
Internal Black Spot | When the spot(s) are darker than the official color chip (POT-CC-2) after removing 5 percent of the total weight of the potato | When the spot(s) are darker than the official color chip (POT-CC-2) after removing 10 percent of the total weight of the potato. |
Hollow Heart or Hollow Heart with Discoloration | Area affected not to exceed that of a circle | Area affected not to exceed that of a circle |
Light Brown Discoloration (Brown Center) | Area affected not to exceed that of a circle | Area affected not to exceed that of a circle |
Internal Brown Spot and Similar Discoloration (Heat Necrosis) | Not more than the equivalent of 3 scattered spots | Not more than the equivalent of 6 scattered spots |
1Note: Correspondingly lesser or greater areas in smaller or larger potatoes.