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 Russet37.145.341.25+8.200.90.651000.5
2Russet Burbank32.740.836.74+8.201.20.750
3A98196-542.344.743.55+3.700.60.650
4A99029-3E46.743.144.95+4.500.50.65600.5
5A02062-1TE49.754.3525+4.600.50.5570.25
6A02138-249.647.148.45+4.300.50.551001
7A02144-251.550.951.25+2.600.50.55130.13
8A02507-2LB5149.350.25+2.900.50.550
9A03131-4TE46.245.445.85+2.400.50.651000.5
10A03158-2TE45.340.7435+4.900.60.75800.13
11AO01114-4  36.336.436.34+4.700.90.9570.5
12AO02060-34946.847.95+4.100.50.55930.25
13OR05039-448.749.549.15+200.50.5570.13
LSD 0.052.82.916
Average45.145.745.44.400.60.644
Idaho
1Ranger Russet35.641.338.54+6010.75530.13
2Russet Burbank3142.136.54-1101.30.740
3A98196-551.249.450.35+4.800.50.550
4A99029-3E40.436.238.34+5.400.70.950
5A02062-1TE49.14949.15+5.300.50.550
6A02138-252.650.251.45+2.500.50.55930.25
7A02144-251.551.551.55+1.700.50.550
8A02507-2LB45.151.248.15+6.200.60.550
9A03131-4TE43.34644.75+3.600.60.55200.25
10A03158-2TE35.338.436.84+6.5010.85330.13
11AO01114-4  No SampleNo SampleNo Sample
12AO02060-3No SampleNo SampleNo Sample
13OR05039-4No SampleNo SampleNo Sample
LSD 0.052.93.118
Average43.545.544.55.300.70.620
Oregon
1Ranger Russet32.939.336.14+7.301.10.84670.5
2Russet Burbank22.935.729.32-12.822.2130
3A98196-538.445.341.85+7.200.80.65540.25
4A99029-3E45.143.444.25+2.900.60.65600.25
5A02062-1TE45.746.145.95+8.100.60.55670.25
6A02138-244.248.546.35+4.500.60.55931
7A02144-253.651.352.55+3.600.50.55130.13
8A02507-2LB49.145.547.35+4.400.50.65270.13
9A03131-4TE43.347.645.45+4.700.60.551001
10A03158-2TE29.334.131.73+6.211.51.14730.5
11AO01114-4  31.841.936.84-10.101.20.750
12AO02060-345.945.545.75+3.500.50.651000.5
13OR05039-441.748.3455+6.600.70.55270.25
LSD 0.053.93.622
Average40.34442.26.300.90.652
Date test performed:
WashingtonDec. 10Dec. 10Dec. 20
IdahoDec. 4Dec. 4Dec. 20
OregonNov. 28Nov. 28Dec. 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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