Sweet Corn Grades and Standards

  1. U.S. Fancy consists of ears of sweet corn which meet the following requirements:
a. Basic Requirements:
1. Similar varietal characteristics;
2. Well trimmed; and,
3. Well developed.
b. Free From:
1. Smut;
2. Worms;
3. Insect or worm injury; and,
4. Decay.
c. Free From Injury Caused By:
1. Rust;
2. Discoloration;
3. Birds;
4. Mechanical;
5. Disease; and,
6. Other means. (See §51.843)
d. Cobs shall be fairly well filled with plump and milky kernels and well covered with fresh husks.
e. Ears shall not be clipped.
f. The length of each cob shall be not less than 6 inches (152.4 mm).
g. For tolerances see §51.840.
  1. U.S. Fancy, Husked consists of husked ears of sweet corn which meet the requirements of the U.S. Fancy grade except those pertaining to amount of covering, trimming, clipping and length of cob. Sweet corn of this grade shall be:
a. Husked (any remaining husk must be fresh).
b. Properly trimmed.
c. Each ear may be clipped but each clipped ear must be well clipped.
d. The length of each cob clipped or unclipped, shall be not less than 5 inches (127.0 mm), unless otherwise specified.
e. For tolerances see §51.840.
  1. U.S. No. 1 consists of ears of sweet corn which meet the following requirements:
a. Basic Requirements:
1. Similar varietal characteristics;
2. Well trimmed; and,
3. Well developed.
b. Free From:
1. Smut; and,
2. Decay.
c. Free From Injury Caused By:
1. Rust.
d. Free From Damage Caused By:
1. Discoloration;
2. Birds;
3. Worms;
4. Other insects;
5. Disease;
6. Mechanical; and,
7. Other means. (See §51.843)
e. Cobs shall be fairly well filled with plump and milky kernels and fairly well covered with fresh husks.
f. Each ear may be clipped, but each clipped ear shall be properly clipped.
g. The length of each cob, clipped or unclipped, shall be not less than 5 inches (127.0 mm), unless otherwise specified.
h. For tolerances see §51.840.
  1. U.S. No. 1, Husked consists of husked ears of sweet corn which meet the requirements of the U.S. No. 1 grade except those pertaining to amount of covering, trimming, clipping and length of cob. Sweet Corn of this grade shall be:
a. Husked (any remaining husk must be fresh).
b. Properly trimmed.
c. Each ear may be clipped but each clipped ear must be well clipped.
d. The length of each cob clipped or unclipped, shall be not less than 4 inches (101.6 mm), unless otherwise specified.
e. For tolerances see §51.840.
  1. U.S. No. 2 consists of ears of sweet corn which meet the following requirements:
a. Basic Requirements:
1. Similar varietal characteristics;
2. Fairly well trimmed; and,
3. Fairly well developed.
b. Free From:
1. Smut; and,
2. Decay.
c. Free From Serious Damage Caused By:
1. Birds;
2. Worms;
3. Other insects;
4. Disease;
5. Mechanical; and,
6. Other means. (See §51.843)
d. Cobs shall be at least moderately filled with plump and milky kernels and fairly well covered with fresh husks.
e. Each ear may be clipped, but each clipped ear shall be properly clipped.
f. The length of each cob, clipped or unclipped, shall be not less than 4 inches (101.6 mm), unless otherwise specified.
g. For tolerances see §51.840.
 
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