WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 48°F after arrival

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR SPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length
Washington
1Ranger Russet17.933.225.52-15.731.60.64801/4"
2Russet Burbank25.236.330.73-11.110.70.750
3A8893-127.339.233.23-11.9110.45801/4"
4A9014-232.64237.34-9.500.60.45331/8"
5A9045-712.223.517.9011.3421.33331/4"
6A90586-1122.929.526.22-921.30.940
7AC87138-419.638.929.32-19.421.50.250
8AC91014-230.244.437.34-14.510.70.55131/4"
9AO92017-616.234.525.32-19.932.20.9371/8"
10ATX9202-3Ru31.239.835.54-9.200.40.25271/8"
11Stampede Russet26.727.5282+3.911.10.94731/4"
LSD 0.0546.121
Average23.835.329.712.321.20.632
Idaho
1Ranger Russet40.242.241.25+300.40.35931/4"
2Russet Burbank31.944.938.44-13.201.50.350
3A8893-146.556.251.35-11.400.30.25931/8"
4A9014-257.656.557.15+3.500.10.25271/8"
5A9045-741.439.340.34+4.600.40.251001/2"
6A90586-1140.736.538.64+6.800.40.350
7AC87138-438.539.739.14+6.400.70.25471/8"
8AC91014-253.55554.35+6.900.20.150
9AO92017-644.840.842.85+5.600.20.250
10ATX9202-3Ru37.338.337.84+4.700.40.450
11Stampede Russet37.131.534.33+600.40.65331/8"
LSD 0.054.43.518
Average42.743.743.26.500.50.336
Oregon
1Ranger Russet28.737.633.13-10.110.80.25871/2"
2Russet Burbank33.747.640.65-13.901.20.250
3A8893-139.951.345.65-11.401.20.25931/2"
4A9014-238.247.742.95-9.700.50.25471/8"
5A9045-732.840.536.64+7.900.50.151001/2"
6A90586-1126.738.632.63-11.910.80.35671/8"
7AC87138-426.843.735.33-16.811.90.241003/4"
8AC91014-251.455.153.35+400.40.25871/8"
9AO92017-643.346.344.85+500.80.25271/8"
10ATX9202-3Ru51.352.251.75+2.300.20.2571/8"
11Stampede Russet33.437.435.43+4.400.70.55801/4"
LSD 0.053.55.120
Average36.945.341.18.800.80.263
Date test performed:
WashingtonNov. 29Nov. 29Dec. 28
IdahoNov. 30Nov. 30Dec. 28
OregonDec. 1Dec. 1Dec. 28
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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