WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 48°F for 60 Days

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR SPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length (in)
Washington
1Ranger Russet32.44237.24-9.801.20.75871/2"
2Russet Burbank29.841.135.43-11.311.40.740
3A0008-1TE39.444.6425+7.400.80.65733/4"
4A97066-42LB46.644.245.45+4.400.50.650
5AC96052-1Ru5154.452.75+500.50.550
6AO96141-351.153.252.25+5.200.50.65873/4"
7AOTX95265-4Ru25.635.430.53-9.811.914201/8"
8CO97087-2Ru53.755.954.85+2.400.50.55131/8"
9CO98067-7Ru31.737.134.43+6.201.20.941001 1/2"
10CO98368-2Ru35.741.238.44+5.5010.75201/4"
11PA99N2-143.344.343.85+2.800.60.65933/4"
12PA99N82-446.250.448.35+5.300.50.551001"
LSD 0.053.218
Average40.545.342.96.300.90.649
Idaho
1Ranger Russet38.44240.24+6.700.80.75791/4"
2Russet Burbank34.840.937.84+7.7010.750
3A0008-1TE39.745.442.55-9.500.70.65141/8"
4A97066-42LB46.446.146.35+3.100.50.5571/2"
5AC96052-1Ru54.856.955.95+4.100.50.45201/8"
6AO96141-346.752.749.75-9.100.50.55531/4"
7AOTX95265-4Ru30.233.231.73+6.111.41.140
8CO97087-2Ru48.853.150.95+5.400.50.650
9CO98067-7Ru38.340.239.34+3.800.80.751003/4"
10CO98368-2Ru31.843.137.44-11.301.20.650
11PA99N2-150.949.1505+300.50.55731/4"
12PA99N82-445.446.245.85+3.800.60.55531/8"
LSD 0.053.3420
Average42.245.7446.100.80.633
Oregon
1Ranger Russet28.94335.94-14.111.50.64931/2"
2Russet Burbank19.439.229.32-19.832.80.830
3A0008-1TE28.437.833.13-9.711.60.84871.4"
4A97066-42LB29.836.833.33+711.40.940
5AC96052-1Ru35.643.939.74+8.7010.650
6AO96141-341.745.943.85+5.100.70.551001"
7AOTX95265-4Ru17.630.624.11-13.133.11.32671/4"
8CO97087-2Ru43.951.247.65+7.400.60.55671/8"
9CO98067-7Ru22.636.429.52-13.922.30.931001 1/4"
10CO98368-2Ru23.435.829.62-12.422.20.93331/8"
11PA99N2-124.138.331.23-14.222.10.841001/4"
12PA99N82-432.543.337.94-10.801.20.651003/4"
LSD 0.053418
Average2940.234.611.311.70.862
Date test performed:
WashingtonDec. 13Dec. 13Dec. 23
IdahoDec. 7Dec. 7Dec. 23
OregonDec. 1Dec. 1Dec. 23
§ rtg = rating (1-5, 5 is best); av = average Photovolt reading; Diff = Absolute difference between stem and bud Photovolt reading. Stem to bud differences of nine or greater (-) lose one point and differences of less than nine (+) 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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