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 Russet29.541.835.74-12.211.40.741000.5
2Russet Burbank23.240.731.93-17.522.20.730
3A0012-543.840.642.25+5.100.60.7570.25
4A0073-248.943.346.15+5.600.50.65530.125
5A01325-127.745.336.54-17.711.60.641001.5
6A02144-247.84847.95+3.600.50.55400.5
7A02424-83LB31.842.537.24-10.701.20.651000.5
8A03082-428.441.6353-13.311.60.741001.5
9A03921-243.748.646.15+7.500.60.55270.25
10A05013-2922.336.729.52-14.422.30.93801
11A05015-5TE26.936.731.83-10.211.70.94530.25
12A05052-3TE3340.336.64+7.501.10.75330.125
13A06003-3TE31.336.834.13+6.601.30.940
14A06015-13TE28.732.630.73+4.511.51.2470.25
15A06084-1TE45.651.548.65+6.100.60.55800.5
16AO01114-439.347.143.25+7.700.80.55130.125
17AO03123-241.249.645.45+8.700.70.550
18OR05039-436.948.242.55-11.300.90.55530.125
19POR06V12-333.942.738.34-9.201.10.65600.25
LSD 0.053.44.821
Average34.942.938.99.401.20.748
Idaho
1Ranger Russet34.338.836.64+4.7010.85730.25
2Russet Burbank21.731.126.42-11.522.41.330
3A0012-551.346.448.85+5.600.50.55430.25
4A0073-244.745.745.25+2.300.60.650
5A01325-14542.643.85+4.400.60.651000.5
6A02144-244.944.444.75+2.700.60.650
7A02424-83LB45.350.7485+7.400.60.551000.25
8A03082-437.835.636.74+700.815470.125
9A03921-244.449.847.15+5.600.60.55330.125
10A05013-2933.138.435.84+601.10.840
11A05015-5TE3038.434.23+8.511.40.84400.125
12A05052-3TE36.84540.95+8.500.90.65No Sample
13A06003-3TE35.937.436.74+4.300.90.950
14A06015-13TE23.631.827.72-10.322.11.23210.25
15A06084-1TE5049.449.75+1.800.50.55No Sample
16AO01114-442.945.344.15+3.800.60.650
17AO03123-24948.848.95+2.700.50.550
18OR05039-441.548.344.95+8.100.70.55130.125
19POR06V12-344.148.246.25+5.200.60.55400.125
LSD 0.053.93.220
Average39.842.941.45.800.90.723
Oregon
1Ranger Russet334438.54-1101.10.65870.75
2Russet Burbank20.140.230.12-20.222.70.730
3A0012-547.946.647.35+300.50.55730.5
4A0073-242.447.5455+5.700.60.550
5A01325-122.844.833.83-2222.30.641000.75
6A02144-244.346.245.35+3.400.60.55500.25
7A02424-83LB31.445.338.44-1401.30.65930.5
8A03082-42640.433.23-14.911.80.74931
9A03921-236.851.444.15-14.600.90.55270.125
10A05013-2918.339.428.92-21.2330.83800.25
11A05015-5TE22.63629.32-13.522.30.93930.25
12A05052-3TE31.14035.64-901.30.74270.125
13A06003-3TE23.431.727.62-9.222.21.2370.25
14A06015-13TE3232.632.33+4.701.21.24600.125
15A06084-1TE37.748.543.15-1200.80.55871
16AO01114-434.84238.44+7.1010.75200.125
17AO03123-231.443.437.44-12.201.30.650
18OR05039-440.449.7455-9.200.70.55330.25
19POR06V12-337.848.3435-10.500.80.55870.75
LSD 0.053.75.321
Average32.343.137.711.411.40.754
Date test performed:
WashingtonNov. 29Nov. 29Dec. 18
IdahoDec. 5Dec. 5Dec. 18
OregonDec. 11Dec. 11Dec. 18
§ 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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