WSU CAHNRS

Washington State University

Potatoes at WSU

Prior to Storage

  PHOTOVOLT READING  USDA SPECIFIC 
Clonestembudavrtg §DIFFCOLORGRAVITYrtg
Washington
1Ranger Russet36.644.740.65+8.301.0923
2Russet Burbank27.543.935.74-16.411.0835
3A98345-142.84141.95+3.401.0952
4A00324-137.241.639.44+5.501.0855
5A01010-141.352.7475-11.501.0792
6A01025-431.938.735.33+701.0750
7A02060-3TE38.441.940.24+3.701.0875
8AC99375-1Ru43.646.144.95+4.601.1031
9AO00057-250.449.249.85+2.501.0885
10AO02183-247.84646.95+4.201.0942
11AO96305-34550.447.75+6.501.0885
12CO99053-3Ru33.640.637.14+7.101.094
13PA00N14-239.548.243.95+8.801.0855
LSD 0.053.53.40.007
Average39.74542.36.901.088
Idaho
1Ranger Russet33.240.9374+7.701.0855
2Russet Burbank36.94339.94+6.101.0750
3A98345-145.442.243.85+4.401.0885
4A00324-1No SampleNo Sample
5A01010-140.649.244.95+8.601.0835
6A01025-44243.342.75+4.101.0855
7A02060-3TE38.442.240.34+5.501.0875
8AC99375-1Ru36.939.738.34+801.0855
9AO00057-2No SampleNo Sample
10AO02183-2No SampleNo Sample
11AO96305-3No SampleNo Sample
12CO99053-3Ru29.735.232.53+5.711.0824
13PA00N14-2No SampleNo Sample
LSD 0.053.33.40.004
Average37.941.939.96.301.084
Oregon
1Ranger Russet33.14237.54-9.501.0824
2Russet Burbank30.541.936.24-15.201.0690
3A98345-135.937.536.74-10.301.083
4A00324-137.938.135.64-15.201.0630
5A01010-13446.240.14-12.601.0710
6A01025-432.742.337.54-11.201.0640
7A02060-3TE38.937.638.24+5.401.070
8AC99375-1Ru32.533.833.13+7.601.0865
9AO00057-247.848.748.35+5.801.0750
10AO02183-232.929.631.23-12.201.0761
11AO96305-344.850.847.85+7.201.0670
12CO99053-3Ru29.437.133.33+8.111.0690
13PA00N14-242.546.444.55+4.901.070
LSD 0.0576.50.006
Average36.440.938.59.601.073
Date test performed:
WashingtonOct. 3Sept. 29
IdahoSept. 26Sept. 23
OregonSept. 22Sept. 21
§ 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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