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 Russet4247.744.85+5.900.70.55921/4"
2Russet Burbank32.643.137.94-10.501.20.650
3A96814-65LB48.650.649.65+4.500.50.55871/4"
4A98345-146.84545.95+4.800.50.651001 3/4"
5A00324-137.840.839.34+4.700.80.751001/2"
6A00646-440.947.744.35+6.800.70.55331/4"
7AO96305-352.756.254.45+4.700.50.55871/2"
8AO96365-239.843.241.55+5.500.70.651003/4"
9AO98282-548.350.749.55+4.200.50.55801/2"
10AO00057-249.35250.65+6.200.50.550
11PA98NM25-551.15050.55+400.50.551001/2"
12PA00N14-244.548.746.65+5.600.60.550
13PA00N32-428.839.1343-10.311.50.841001/2"
LSD 0.053.13.616
Average43.347.345.3600.70.668
Idaho
1Ranger Russet42.245.643.95+6.800.60.65931/4"
2Russet Burbank28.641.334.93-12.711.50.740
3A96814-65LB52.153.452.85+2.900.50.65831/4"
4A98345-150.647.549.15+4.500.50.551003/4"
5A00324-14243.642.85+5.400.70.65871/4"
6A00646-43140.735.84-12.501.30.7471/8"
7AO96305-34954.851.95+6.200.50.550
8AO96365-24448.346.15+4.700.60.551001/4"
9AO98282-546.948.447.65+3.300.50.55471/8"
10AO00057-250.952.951.95+3.700.50.550
11PA98NM25-554.75454.45+2.500.50.5571/8"
12PA00N14-240.448.644.55-9.600.70.550
13PA00N32-430.540.435.43-10.901.30.74671/4"
LSD 0.053.1418
Average43.347.645.56.600.80.645
Oregon
1Ranger Russet28.94335.94-14.111.50.64931/2"
2Russet Burbank19.439.229.32-19.832.80.830
3A96814-65LB40.550.745.65-10.200.70.551001/4"
4A98345-135.544.239.84+8.8010.651001 3/4"
5A00324-127.439.233.33-11.911.70.841001/2"
6A00646-419.938.529.22-18.622.70.83671/4"
7AO96305-332.749.441.15-16.601.20.55801/2"
8AO96365-226.135.630.83-11.711.814731"
9AO98282-53747.342.25-10.500.90.55803/4"
10AO00057-233.639.836.74+801.10.75271/8"
11PA98NM25-540.250.845.55-10.700.70.55871/8"
12PA00N14-231.743.237.54-11.901.20.65271/8"
13PA00N32-419.737.628.72-1822.70.831001/2"
LSD 0.0534.920
Average30.24336.613.111.50.772
Date test performed:
WashingtonDec. 16Dec. 23
IdahoDec. 10Dec. 23
OregonDec. 4Dec. 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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