WSU CAHNRS

Washington State University

Potatoes at WSU

2000 Early Regional Trial

Four of the 20 entries, A8792-1, A8893-1, A9014-2 and ATX9202-3Ru, fried lighter than the standard clones.  The two Norkotah Strains, TXNS102 and TXNS296, fried as dark or darker than any of the standards and darker than any of the other numbered lines; however, they still fried well within the acceptable color range.  Fries from Russet Burbank, Norkotah, TXNS102 and TXNS296 displayed the greatest differences in color between stem and bud ends, ranging from 5.3 to 6.4 reflectance units.  These differences in fry color uniformity were not great enough to negatively influence the final rating.

  PHOTOVOLTDIFFERENCEUSDA
CloneStemBudaverageSTEM - BUDCOLOR
1Gem50.250.350.24.10
2Umatilla46.947.547.23.20
3Norkotah46.748.447.65.30
4Ranger43.844.344.14.20
5R. Burbank4952.350.66.40
6Shepody48.246.847.52.60
7A7961-147.648.247.930
8A8792-156.254.255.23.70
9A8893-152.152.852.52.70
10A9014-256.652.754.73.80
11A9045-746.447.847.14.30
12AC87079-349.349.549.43.90
13AC87138-448.64948.83.80
14AC89536-547.547.147.32.80
15ATX9202-3Ru50.552.851.72.90
16PORTGNP3-13845.248.146.64.60
17PORTGS124-146.945464.50
18PORTGS129-149.248.548.93.90
19TXNS1024543.944.45.60
20TXNS2964044.642.36.40
LSD 0.052.63.2
Average48.348.748.54.10
Planting date: March 16
Harvest date:Aug. 1
Fried on:Aug. 4
Potatoes at WSU, PO Box 646414, Washington State University, Pullman WA 99164-6414, 509-335-9502
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