Potatoes for Chipping Grades and Standards

Grades of Potatoes for Chipping

  1. U.S. No. 1 Potatoes for Chipping consists of potatoes which meet the following requirements:

    1. Basic requirements: 

      1. Similar varietal characteristics; 

      2. firm;

      3. fairly clean; 

      4. fairly well shaped.

    2. Free from: 

      1. Freezing; 

      2. blackheart; 

      3. late blight tuber rot; 

      4. southern bacterial wilt; 

      5. bacterial ring rot; 

      6. nuts of nut sedge; 

      7. tuber moth injury; 

      8. soft rot and wet breakdown.

    3. Free from damage by any other cause.

    4. Size. Not less than 1-7/8 inches (47.7 mm) in diameter, unless otherwise specified. See §51.4577.

    5. For tolerances see §51.4579.

  2. U.S. No. 2 Potatoes for Chipping consists of potatoes which meet the following requirements:

    1. Basic requirements:

      1. Similar varietal characteristics;

      2. fairly firm;

      3. not seriously damaged by dirt;

      4. not seriously misshapen.

    2. Free from:

      1. Freezing; 

      2. blackheart;

      3. late blight tuber rot; 

      4. southern bacterial wilt; 

      5. bacterial ring rot; 

      6. nuts of nut sedge;

      7. tuber moth injury; 

      8. soft rot and wet breakdown.

    3. Free from serious damage by any other cause.

    4. Size. Not less than 1-3/4 inches (44.5 mm) in diameter, unless otherwise specified. See §51.4577.

    5. For tolerances see §51.4579.

Visual Aids

Official Visual Aids are available for Purchase.  See How to Purchase Visual Aids for more details.

Detailed standards, Inspection Instructions & Other Resources: