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 Russet31.744.938.34-13.201.20.65931/2"
2Russet Burbank29.339.334.33-1011.50.840
3A97066-42LB31.240.135.64+8.901.30.74331/8"
4A98345-143.447.145.25+5.100.60.551001 1/2"
5A0008-1TE30.84336.94-12.201.30.641001/4"
6A00324-130.54738.74-16.501.30.551001/2"
7A01010-127.747.837.84-20.111.60.541001/4"
8AC99375-1Ru38.143.540.85+600.80.651001/2"
9AO00057-247.552.950.25+7.300.50.550
10AO96305-344.857.751.35-13.300.60.35871/2"
11CO98067-7Ru23.832.528.12+8.922.11.231001"
12CO99053-3Ru25.240.8333-1611.90.741001/2"
13CO99053-4Ru35.548.141.85-12.6010.551001"
14CO99100-1Ru29.743.236.54-13.511.40.641002"
15PA00N14-226.844.435.64-17.611.70.640
16PA99N2-137.246.241.75-900.90.55871/8"
17PA99N82-438.246.242.25+800.80.551001/2"
LSD 0.053.75.312
Average33.64539.311.701.20.675
Idaho
1Ranger Russet26.828.727.72+5.311.71.53801/8"
2Russet Burbank2232.627.32-10.622.41.230
3A97066-42LB3131.431.23+4.201.31.340
4A98345-142.34342.65+3.600.60.651001/2"
5A0008-1TE30.337.233.73-11.311.40.94601/4"
6A00324-124.432.728.62+8.8221.23931/8"
7A01010-133.535.234.33+401.114601/8"
8AC99375-1Ru34.239.136.74+6.901.10.850
9AO00057-233.73936.34+7.601.10.85201/8"
10AO96305-339.352.545.95-13.200.80.55531/8"
11CO98067-7Ru23.424.323.81+3.522.2221001/2"
12CO99053-3Ru31.531.231.43+4.801.31.34871/4"
13CO99053-4Ru28.638.433.53-10.611.50.84931/2"
14CO99100-1Ru23.941.632.83-17.822.10.741001/2"
15PA00N14-230.739.134.93-9.101.30.840
16PA99N2-12730.228.62+5.411.71.43731/4"
17PA99N82-434.838.336.54+4.9010.851001/4"
LSD 0.053.1419
Average30.436.133.37.711.4160
Oregon
1Ranger Russet27.442.7353-15.311.70.64931/2"
2Russet Burbank1738.527.72-21.633.20.820
3A97066-42LB21.730.626.12-9.522.41.33471/4"
4A98345-132.14237.14-9.901.20.751001 1/2"
5A0008-1TE24.737.831.23-13.3120.84871/2"
6A00324-123.73830.93-14.322.10.83871/2"
7A01010-123.649.136.44-25.522.10.54671/4"
8AC99375-1Ru39.442.7415+500.80.65931/2"
9AO00057-230.746.938.84-16.301.30.550
10AO96305-33852.245.15-14.200.80.551001/4"
11CO98067-7Ru17.229.923.51-12.833.21.42871"
12CO99053-3Ru26.834.430.63+8.111.7141001/2"
13CO99053-4Ru2533.629.32-10.2121.131003/4"
14CO99100-1Ru16.435.425.92-1933.3121001"
15PA00N14-228.541.5353-1311.50.74131/8"
16PA99N2-127.440.133.73-12.611.70.74671/4"
17PA99N82-430.139.734.93-9.611.40.741001/2"
LSD 0.053.34.618
Average26.539.733.113.511.90.873
Date test performed:
WashingtonDec. 10Dec. 10Dec. 20
IdahoNov. 29Nov. 29Dec. 21
OregonDec. 5Dec. 5Dec. 20
§ 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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