WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 48°F After Arrival

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR SPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length (in)
Washington
1Ranger Russet3840.439.24+8.100.60.5510041641
2Russet Burbank42.848.945.95+6.800.30.3531P
3A9045-734.240.537.34+7.800.60.4510041643
4A90586-113036.533.33+6.6110.757541647
5A9304-340.653.5475-1300.40.458841647
6A9305-1035.449.242.35-13.900.40.351941643
7AC92009-4Ru38.94742.95-11.800.40.450
8ATX9202-1Ru31.538.6353-9.600.80.5519P
9CO92077-5Ru36.439.137.74+6.900.50.451001
10NDC5372-1Ru3538.836.94+7.300.40.4510041647
11Stampede Russet35.138.8374+6.700.60.459441647
12TC1675-1Ru48.349.7495+6.900.30.356341647
LSD 0.054.34.219
Average36.242.939.58.900.60.466
Idaho
1Ranger Russet40.341.340.85+3.700.90.5510041641
2Russet Burbank38.146.642.35-12.200.90.350
3A9045-73640.1384+600.60.5510041641
4A90586-1138.140.939.54+4.800.70.6575P
5A9304-347.151.149.15+4.700.50.3525P
6A9305-1047.753.550.65+5.800.40.450
7AC92009-4Ru3849.443.75-11.400.90.650
8ATX9202-1Ru4639.342.75+7.200.60.650
9CO92077-5Ru35.538.4374+5.400.50.651001
10NDC5372-1Ru38.843.741.25+5.600.60.4519P
11Stampede Russet38.43737.74+4.300.60.558141647
12TC1675-1Ru42.647.845.25+5.300.50.3569P
LSD 0.054.33.718
Average40.443.842.16.500.70.545
Oregon
1Ranger Russet34.442.238.34+8.400.60.358841702
2Russet Burbank28.44134.73-12.5110.456P
3A9045-723.439.331.33-15.921.10.558841643
4A90586-112443.233.63-19.221.30.358841643
5A9304-339.248.9445-9.700.50.355041647
6A9305-1034.941.838.44-900.80.450
7AC92009-4Ru27.946.837.34-18.911.10.450
8ATX9202-1Ru33.344.7394-12.400.70.351341647
9CO92077-5Ru21.930.726.32-9.621.414941.25
10NDC5372-1Ru31.541.436.54-12.800.70.355641647
11Stampede Russet31.836.634.23+500.80.558841641
12TC1675-1Ru38.24843.15-11.100.30.2510041647
LSD 0.0545.118
Average3041.535.812.110.90.456
Date test performed, days @ 48°F:
WashingtonDec. 772Dec. 772Dec. 30
IdahoDec. 868Dec. 868Dec. 30
OregonDec. 969Dec. 969Dec. 30
rtg=ratingDIFF=Absolute difference between bud and stem photovolt reading.P=peeping
§ Stem to bud differences of nine or greater (-) lose one point and differences of less than 9 (+) 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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