WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 44°F after arrival

  PHOTOVOLT READING         DIFFUSDA % REDUCING SUGAR
Clonestembudaveragertg §COLORstembudrtg
Washington
1Ranger Russet14.526.920.71-12.432.61.72
2Russet Burbank11.927.219.61-15.342.91.42
3A8792-116.526.721.61-10.232.822
4A8893-119.433.926.62-14.532.31.33
5A9014-222.835.329.12-12.921.80.84
6A9045-713.429.821.61-16.342.81.52
7A90586-1116.224.720.41-9.132.72.12
8AC87138-416.921.719.305.432.522
9ATX9202-3Ru19.627.923.81+8.322.11.73
LSD 0.0534.5
Average16.828.222.511.632.51.6
Idaho
1Ranger Russet20.933.427.12-12.621.90.74
2Russet Burbank18.12320.61+7.7321.43
3A8792-125.130.727.92+5.611.714
4A8893-121.32824.62-9.1221.53
5A9014-240.141.640.95+4.600.60.35
6A9045-71721.119.105.132.11.53
7A90586-1119.121.120.11+3.332.41.92
8AC87138-416.830.123.51-13.332.713
9ATX9202-3Ru26.42927.72+4.911.30.94
LSD 0.053.53.7
Average22.828.725.77.421.91.1
Oregon
1Ranger Russet11.522.917.2011.445.42.81
2Russet Burbank10.123.316.7013.244.92.71
3A8792-111.820.416.108.845.23.21
4A8893-115.62319.308.133.32.61
5A9014-230.142.936.54-12.811.10.65
6A9045-712.229.520.91-17.344.72.31
7A90586-1113.12418.5010.943.72.11
8AC87138-410.121.415.8011.3463.21
9ATX9202-3Ru1827.322.71-9.432.51.82
LSD 0.052.54.2
Average14.726.120.411.534.12.4
 Date test performed:
Washington  Dec. 9Dec. 9
Idaho  Dec. 8Dec. 8
Oregon  Dec. 7Dec. 7

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.

Potatoes at WSU, PO Box 646414, Washington State University, Pullman WA 99164-6414, 509-335-9502
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