WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 44°F For 54 Days After Arrival

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR SPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length (in)
Washington
1Ranger Russet33.744.939.34-12.801.10.65731/2"
2Russet Burbank23.841.132.43-18.422.10.740
3A97066-42LB39.149.944.55-10.800.80.55131/8"
4A97287-64953.751.45+7.100.50.55201/8"
5A99006-2TE35.544.339.94+8.9010.65601/4"
6A99040-1TE32.547.740.14-15.301.20.55401/2"
7A0008-1TE29.239.334.33-12.311.50.84933/4"
8PA98NM2-341.547.744.65+6.800.70.55271/8"
9PA98NM30-1120.438.629.52-18.222.60.83731/4"
10PA99N2-137.145.641.45+8.600.90.651001/2"
11PA99N46-121.443.732.53-22.322.50.631001/2"
12PA99N82-438.447.242.85+8.800.80.55931/4"
13PA00N10-530.84135.94-10.801.30.74871/4"
LSD 0.053.34.921
Average33.34539.112.411.30.660
Idaho
1Ranger Russet38.943.341.15+6.700.80.65531/8"
2Russet Burbank2634302-12.411.81.140
3A97066-42LB38.441.940.14+4.500.80.75131/8"
4A97287-645.341.543.45+6.300.60.750
5A99006-2TE37.540.839.24+6.600.80.750
6A99040-1TE3434.334.13+4.801.114331/8"
7A0008-1TE34.542.238.44+7.8010.65331/8"
8PA98NM2-329.242.235.74-13.111.50.640
9PA98NM30-1113.533.623.51-20.1441.11731/8"
10PA99N2-135.641.938.84+7010.75871/8"
11PA99N46-127.335.131.23-9.411.714871/8"
12PA99N82-435.937.936.94+7.700.90.8571/8"
13PA00N10-541.644.643.15+500.70.65271/8"
LSD 0.0544.921
Average33.739.536.68.611.30.832
Oregon
1Ranger Russet2737.332.13-10.311.70.94873/4"
2Russet Burbank24.539.6323-15.1120.840
3A97066-42LB37.244.8415+8.100.90.65471/8"
4A97287-645.550.848.25+5.600.60.5571/8"
5A99006-2TE39.245.942.65+6.800.80.55671/4"
6A99040-1TE32.341.937.14-10.101.20.75931/4"
7A0008-1TE32.342.437.44-10.301.20.65731/4"
8PA98NM2-333.849.141.45-15.201.10.55271/8"
9PA98NM30-1122.734.628.62-11.822.3131003/4"
10PA99N2-132.639.936.24+7.601.20.74871/8"
11PA99N46-116.134.725.42-18.633.4121001/2"
12PA99N82-435.347.141.25-13.5010.551001/2"
13PA00N10-529.639.734.63-10.911.40.74801/4"
LSD 0.053.24.220
Average31.442.136.811.111.40.767
Date test performed:
WashingtonDecember 2December 28
IdahoDecember 8December 28
OregonDecember 14December 28
§ 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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