- U.S. Extra No. 1 consists of sweetpotatoes of similar varietal characteristics which are firm, smooth, fairly clean, fairly well shaped, which are free from freezing injury, internal breakdown, Black Rot, other decay or wet breakdown, and free from damage caused by secondary rootlets, sprouts, cuts, bruises, scars, growth cracks, scurf, Pox (Soil Rot), or other diseases, wireworms, weevils, or other insects, or other means. (See §51.1605.)
a. Size.
1. Length shall be not less than 3 inches or more than 9 inches.
2. Maximum weight shall be not more than 18 ounces.
3. Maximum diameter shall be not more than 3-1/4 inches.
4. Minimum diameter, unless otherwise specified, shall be not less than 1-3/4 inches. (See §51.1605.)
- U.S. No. 1 consists of sweetpotatoes of one type which are firm, fairly smooth, fairly clean, fairly well shaped, which are free from freezing injury, internal breakdown, Black Rot, other decay or wet breakdown, and free from damage caused by secondary rootlets, sprouts, cuts, bruises, scars, growth cracks, scurf, Pox (Soil Rot), or other diseases, wireworms, weevils or other insects, or other means. (See §51.1605.)
a. Size.
1. Maximum diameter shall be not more than 3-1/2 inches.
2. Maximum weight shall not be more than 20 ounces.
3. Length, unless otherwise specified, shall be not less than 3 inches or more than 9 inches.
4. Minimum diameter, unless otherwise specified, shall be not less than 1-3/4 inches. (See §51.1605.)
- U.S. No. 1 Petite consists of sweetpotatoes of one type which are firm, fairly smooth, fairly clean, fairly well shaped, which are free from freezing injury, internal breakdown, Black Rot, other decay or wet breakdown, and free from damage caused by secondary rootlets, sprouts, cuts, bruises, scars, growth cracks, scurf, Pox (Soil Rot), or other diseases, wireworms, weevils or other insects, or other means. (See §51.1605.)
a. Size.
1. Diameter shall be not less than 1-1/2 inches or more than 2-1/4 inches.
2. Length shall be not less than 3 inches or more than 7 inches. (See §51.1605.)
- U.S. Commercial consists of sweetpotatoes which meet all the requirements of the U.S. No. 1 grade except that an increased tolerance for defects is allowed. (See §51.1605.)
- U.S. No. 2 consists of sweetpotatoes of one type which are firm and which are free from freezing injury, internal breakdown, Black Rot, other decay or wet breakdown, and free from serious damage, caused by dirt or other foreign materials, cuts, bruises, scars, growth cracks, Pox (Soil Rot), or other diseases, wireworms, weevils or other insects, or other means. (See §51.1605.)
a. Size. Unless otherwise specified the minimum diameter shall be not less than 1-1/2 inches and the maximum weight not more than 36 ounces. (See §51.1605.)
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