WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 48°F for 54 Days

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR SPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length (in)
Washington
1Ranger Russet30.143.9374-13.811.40.64931/2"
2Russet Burbank23.741.332.53-17.522.10.740
3A95074-649.650.750.25+2.800.50.550
4A95109-131.143.537.34-12.401.30.650
5A95409-132.94840.55-15.201.10.55671/2"
6A96104-237.248.342.85-11.100.90.551001/4"
7AC96052-1Ru43.451.647.55+8.600.60.55271/8"
8AO96141-329.347.838.64-18.511.50.541003/4"
9AO96160-345.651.248.45+7.800.60.55601/4"
10AO96164-143.250.246.75+7.300.60.55471/2"
11AOA95154-141.650.646.15-10.600.70.551001/4"
12AOA95155-739.946.843.35-7.600.70.55931/8"
13AOTX95265-2ARu22.639.230.93-16.522.30.830
14AOTX95265-4Ru22.538.730.63-16.122.30.83201/8"
15CO94035-15Ru33.748.541.15-14.801.10.55601/4"
16MWTX2609-4Ru20.428.924.72+8.722.61.52801/2"
17TXA549-1Ru3244.638.34-12.601.20.65871/8"
LSD 0.053.75.220
Average34.145.539.811.911.30.655
Idaho
1Ranger Russet3644.540.34-1100.90.65671/8"
2Russet Burbank26.438.932.63-12.711.80.8471/8"
3A95074-640.938.939.94+6.800.70.850
4A95109-127.533.730.63+7.711.61.140
5A95409-131.933.732.83+8.501.21.140
6A96104-237.240.338.84+4.300.90.75601/8"
7AC96052-1Ru3943.641.35-1000.80.650
8AO96141-337.248.8435-11.900.90.55471/4"
9AO96160-342.240.341.25+5.700.60.750
10AO96164-136.936.936.94+3.900.90.950
11AOA95154-145.547.246.35+4.700.60.55271/8"
12AOA95155-74948.148.65+3.700.50.55131/4"
13AOTX95265-2ARu27.13430.53-9.511.71.140
14AOTX95265-4Ru23.836.530.22-12.722.10.930
15CO94035-15Ru43.943.343.65+7.900.60.65No Sample
16MWTX2609-4Ru2627.526.82+6.111.81.630
17TXA549-1Ru36.839.938.34+5.500.90.75271/8"
LSD 0.054.24.819
Average35.739.837.77.801.10.815
Oregon
1Ranger Russet2737.332.13-10.311.70.94873/4"
2Russet Burbank24.539.6323-15.1120.840
3A95074-648.848.548.65+3.400.50.550
4A95109-134.437.435.94+6.1010.950
5A95409-135.443.639.54+8.3010.65731/8"
6A96104-235.24339.14+8010.65871/2"
7AC96052-1Ru41.851.546.65-9.700.70.550
8AO96141-343.651.547.65-900.60.55873/4"
9AO96160-34048.1445+8.300.70.55801/4"
10AO96164-140.447.343.85+800.70.55871/4"
11AOA95154-128.548.738.64-20.211.50.54871/4"
12AOA95155-727.849.238.54-21.411.60.54871/4"
13AOTX95265-2ARu21.835.728.72-13.922.413271/8"
14AOTX95265-4Ru23.235.429.32-12.222.213271/8"
15CO94035-15Ru30.140.635.43-1111.40.74731/8"
16MWTX2609-4Ru22.633.4282-11.122.31.13271/8"
17TXA549-1Ru26.43932.73-12.611.80.841001/4"
LSD 0.052.74.719
Average32.442.937.711.111.40.755
Date test performed:
WashingtonDecember 5December 5December 28
IdahoDecember 11December 11December 28
OregonDecember 17December 17December 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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