Part 51 - FRESH FRUITS, VEGETABLES, AND OTHER PRODUCTS (INSPECTION, CERTIFICATION, AND STANDARDS)
- Subpart A - REQUIREMENTS (§§ 51.1 — 51.45)
- Subpart B - UNITED STATES STANDARDS FOR GRADES OF APPLES (§§ 51.307 — 51.321)
- Subpart C - UNITED STATES STANDARDS FOR GRADES OF APPLES FOR PROCESSING (§§ 51.345 — 51.346)
- Subpart D - APPLICATION OF TOLERANCES (§§ 51.629 — 51.628)
- Subpart E - APPLICATION OF TOLERANCES (§§ 51.690 — 51.689)
- Subpart F - UNITED STATES STANDARDS FOR GRADES OF FLORIDA GRAPEFRUIT (§§ 51.761 — 51.760)
- Subpart G - UNITED STATES STANDARDS FOR GRADES OF TABLE GRAPES (EUROPEAN OR VINIFERA TYPE) (§§ 51.887 — 51.886)
- Subpart H - UNITED STATES STANDARDS FOR GRADES OF FLORIDA ORANGES AND TANGELOS (§§ 51.1152 — 51.1151)
- Subpart I - UNITED STATES STANDARDS FOR CLEANED VIRGINIA TYPE PEANUTS IN THE SHELL (§§ 51.1238 — 51.1237)
- Subpart J - UNITED STATES STANDARDS FOR SUMMER AND FALL PEARS (§§ 51.1266 — 51.1264)
- Subpart K - UNITED STATES STANDARDS FOR WINTER PEARS (§§ 51.1307 — 51.1305)
- Subpart L - UNITED STATES STANDARDS FOR GRADES OF PEARS FOR PROCESSING (§§ 51.1350 — 51.1349)
- Subpart M - SUBPART - UNITED STATES STANDARDS FOR GRADES OF PECANS IN THE SHELL[1] (§§ 51.1405 — 51.1404)
- Subpart N - UNITED STATES STANDARDS FOR GRADES OF SHELLED PECANS (§§ 51.1440 — 51.1439)
- Subpart O - UNITED STATES STANDARDS FOR GRADES OF FRESH PLUMS AND PRUNES (§§ 51.1526 — 51.1525)
- Subpart P - UNITED STATES STANDARDS FOR GRADES OF POTATOES (§§ 51.1547 — 51.1544)
- Subpart Q - UNITED STATES CONSUMER STANDARDS FOR POTATOES (§§ 51.1579 — 51.1577)
- Subpart R - UNITED STATES STANDARDS FOR GRADES OF FLORIDA TANGERINES (§§ 51.1821 — 51.1820)
- Subpart S - UNITED STATES STANDARDS FOR FRESH TOMATOES (§§ 51.1862 — 51.1861)
- Subpart T - UNITED STATES CONSUMER STANDARDS FOR FRESH TOMATOES (§§ 51.1906 — 51.1904)
- Subpart U - UNITED STATES STANDARDS FOR GRADES OF FILBERTS IN THE SHELL (§§ 51.1996 — 51.2009)
- Subpart V - UNITED STATES STANDARDS FOR GRADES OF ALMONDS IN THE SHELL (§§ 51.2079 — 51.2078)
- Subpart W - UNITED STATES STANDARDS FOR GRADES OF SHELLED ALMONDS (§§ 51.2115 — 51.2114)
- Subpart X - UNITED STATES STANDARDS FOR SHELLED ENGLISH WALNUTS (JUGLANS REGIA) (§§ 51.2286 — 51.2279)
- Subpart Y - UNITED STATES STANDARDS FOR GRADES OF KIWIFRUIT (§§ 51.2335 — 51.2341)
- Subpart Z - UNITED STATES STANDARDS FOR GRADES OF PISTACHIO NUTS IN THE SHELL (§§ 51.2540 — 51.2549)
- Subpart AA - UNITED STATES STANDARDS FOR GRADES OF SHELLED PISTACHIO NUTS (§§ 51.2555 — 51.2562)
- Subpart BB - UNITED STATES STANDARDS FOR GRADES FOR SWEET CHERRIES (§§ 51.2649 — 51.2648)
- Subpart EE - UNITED STATES STANDARDS FOR SHELLED VIRGINIA TYPE PEANUTS (§§ 51.2755 — 51.2754)
- Subpart FF - UNITED STATES STANDARDS FOR GRADES OF ONIONS (OTHER THAN BERMUDA-GRANEX-GRANO AND CREOLE TYPES) (§§ 51.2839 — 51.2837)
- Subpart GG - UNITED STATES STANDARDS FOR GRADES OF WALNUTS IN THE SHELL (§§ 51.2955 — 51.2953)
- Subpart HH - UNITED STATES STANDARDS FOR FLORIDA AVOCADOS (§§ 51.3056 — 51.3054)
- Subpart JJ - UNITED STATES STANDARDS FOR GRADES OF POTATOES FOR PROCESSING (§§ 51.3410 — 51.3418)
- Subpart II - UNITED STATES STANDARDS FOR GRADES OF BERMUDA-GRANEX-GRANO TYPE ONIONS (§§ 51.3201 — 51.3199)
- Subpart CC - UNITED STATES STANDARDS FOR SHELLED RUNNER TYPE PEANUTS (§§ 51.2713 — 51.2712)
- Subpart DD - UNITED STATES STANDARDS FOR GRADES OF SHELLED SPANISH TYPE PEANUTS (§§ 51.2733 — 51.2732)