Stored at 44°F after arrival
    PHOTOVOLT READING   DIFF USDA   % REDUCING SUGAR
  Clone stem bud average rtg §     COLOR   stem bud rtg
  Washington                      
1 Ranger Russet 11.6 15.5 13.6 0   4.2 4   4.1 2.6 1
2 Russet Burbank 12.8 18.7 15.7 0   5.9 4   2.7 1.6 2
3 A8893-1 12.2 21.3 16.8 0   9.6 4   2.8 1.7 2
4 A9014-2 18.5 29.5 24.0 1-   11.0 3   1.4 0.3 5
5 A9045-7 9.7 11.9 10.8 0   3.1 4   3.7 2.7 1
6 A90586-11 10.0 13.0 11.5 0   3.9 4   3.0 2.2 1
7 AC87138-4 12.8 18.5 15.6 0   6.5 4   2.9 1.3 2
8 AC91014-2 17.8 25.5 21.7 1-   10.3 3   1.5 1.2 4
9 AO92017-6 10.5 15.0 12.8 0   4.7 4   3.7 1.7 1
10 ATX9202-3Ru 19.5 25.5 22.5 1+   6.3 2   1.4 1.0 4
11 Stampede Russet 14.7 16.2 15.4 0   2.8 3   2.5 2.1 2
      LSD 0.05 2.9     3.9          
  Average 13.6 19.2 16.4     6.2 4   2.7 1.7  
                         
  Idaho                      
1 Ranger Russet 25.0 28.4 26.7 2+   5.3 1   1.1 0.8 4
2 Russet Burbank 18.1 27.7 22.9 1-   9.6 3   1.8 1.0 4
3 A8893-1 26.8 30.3 28.5 2+   4.4 1   1.4 0.9 4
4 A9014-2 36.8 37.7 37.2 4+   6.0 0   0.3 0.4 5
5 A9045-7 20.4 26.7 23.5 1+   6.3 2   1.6 1.0 4
6 A90586-11 24.2 22.1 23.2 1+   3.4 2   1.2 1.2 4
7 AC87138-4 21.8 28.1 24.9 2+   7.0 2   1.8 0.9 4
8 AC91014-2 40.5 38.7 39.6 4+   6.0 0   0.4 0.3 5
9 AO92017-6 30.9 33.0 31.9 3+   3.4 0   0.8 0.5 5
10 ATX9202-3Ru 24.9 29.0 26.9 2+   4.5 1   1.0 0.9 4
11 Stampede Russet 16.8 22.9 19.8 1+   6.3 3   1.9 1.5 3
      LSD 0.05 3.0     3.1          
  Average 26.0 29.5 27.8     5.7 1   1.2 0.8  
                         
  Oregon                      
1 Ranger Russet 11.8 21.0 16.4 0   9.5 4   3.0 1.3 2
2 Russet Burbank 11.7 23.9 17.8 0   12.3 4   3.0 1.4 2
3 A8893-1 16.4 24.8 20.6 1+   8.4 3   2.4 1.4 3
4 A9014-2 20.0 27.8 23.9 1+   8.4 2   2.2 1.2 3
5 A9045-7 18.0 23.5 20.7 1+   5.5 3   2.1 1.6 3
6 A90586-11 17.9 24.9 21.4 1-   9.0 3   2.1 1.2 3
7 AC87138-4 13.4 23.1 18.2 0   10.1 4   4.0 1.7 1
8 AC91014-2 34.3 40.0 37.2 4+   6.0 0   0.8 0.3 5
9 AO92017-6 19.5 27.3 23.4 1+   8.3 2   2.7 1.0 3
10 ATX9202-3Ru 30.0 37.0 33.5 3+   6.9 1   1.0 0.7 5
11 Stampede Russet 14.5 19.6 17.0 0   5.2 4   3.5 2.6 1
      LSD 0.05 2.9     4.1          
  Average 18.9 26.6 22.7     8.1 2   2.4 1.3  
                         
Date test performed:                      
Washington Dec. 4         Dec. 4
Idaho Dec. 5         Dec. 5
Oregon Dec. 6         Dec. 6
rtg=rating   DIFF=Absolute difference between bud and stem photovolt reading.  
  § Stem to bud differences of nine or greater (-) lose one point and differences of less than 9 (+) gain one point in the accumulated total postharvest rating.