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
3A98345-143.443.743.55+4.400.60.651000.5
4A00324-13543.739.44-9.1010.65870.5
5A01010-138.953.946.45-14.900.80.55530.25
6A01025-442.243.8435+5.200.60.65270.25
7A02060-3TE39.543.841.65+5.700.80.65600.13
8AC99375-1RU47.84646.95+3.200.50.55670.25
9AO00057-249.350.149.75+3.500.50.550
10AO02183-251.651.751.65+2.600.50.55530.13
11AO96305-352.154.953.55+3.700.50.55200.13
12CO99053-3RU42.746.644.65+5.700.60.55400.13
13PA00N14-231.846.3394-14.501.20.5570.13
LSD 0.053.13.422
Average41.94744.46.800.80.647
Idaho
1Ranger Russet3342.9384-1001.10.65730.25
2Russet Burbank28.438.733.53-10.711.50.840
3A98345-147.345.146.25+3.900.50.651000.25
4A00324-1No SampleNo SampleNo Sample
5A01010-138.651.144.95-12.500.80.5570.13
6A01025-438.440.539.44+3.800.80.750
7A02060-3TE28.837.433.13+8.611.50.94130.13
8AC99375-1RU39.744.3425+4.600.70.65470.13
9AO00057-2No SampleNo SampleNo Sample
10AO02183-2No SampleNo SampleNo Sample
11AO96305-3No SampleNo SampleNo Sample
12CO99053-3RU29.832.3313+4.611.41.24330.13
13PA00N14-2No SampleNo SampleNo Sample
LSD 0.053.43.721
Average35.541.538.57.301.10.734
Oregon
1Ranger Russet37.946425+8.100.80.55360.25
2Russet Burbank2435.729.82-11.722.1130
3A98345-138.240.939.64+4.700.80.75400.25
4A00324-127.736.432.13-11.111.60.94270.25
5A01010-130.351.140.75-21.211.40.54400.5
6A01025-433.343.338.34-1001.10.65140.5
7A02060-3TE35.835.135.54+3.300.91470.13
8AC99375-1RU48.244.146.25+4.100.50.65270.5
9AO00057-246.854.350.55+8.500.50.550
10AO02183-250.147.748.95+6.300.50.55200.13
11AO96305-339.45245.75-12.600.80.55600.5
12CO99053-3RU3846.1425+8.100.80.55400.25
13PA00N14-238.65044.35-11.900.80.5570.13
LSD 0.054.67.820
Average37.644.841.29.3010.724
Date test performed:
WashingtonDec. 13Dec. 13Dec. 20
IdahoDec. 7Dec. 7Dec. 20
OregonDec. 1Dec. 1Dec. 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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