WSU CAHNRS

Washington State University

Potatoes at WSU

Prior to Storage

  PHOTOVOLT READING  USDA SPECIFIC 
Clonestembudavrtg §DIFFCOLORGRAVITYrtg
Washington
1Ranger Russet40.244.242.25+5.401.0855
2Russet Burbank36.442.639.54+6.401.0792
3A00324-136.240.838.54+4.901.0855
4A00727-130.535.4333+5.901.0782
5A01010-138.747.643.25+8.901.0855
6AO00057-249.451.750.65+4.401.0894
7AO02183-240.950.545.75-9.601.083
LSD 0.053.53.50.007
Average38.944.741.86.501.083
Idaho
1Ranger Russet39.442.841.15+4.601.083
2Russet Burbank31.439.535.54-901.0720
3A00324-138.940.739.84+6.701.083
4A00727-124.330.327.32-921.0845
5A01010-144.151.447.75+8.101.0792
6AO00057-244.146.245.25+4.201.0814
7AO02183-25554.254.65+2.301.0855
LSD 0.0533.20.004
Average39.643.641.66.301.08
Oregon
1Ranger Russet26.938.932.93-1211.0865
2Russet Burbank19.336.527.92-17.231.0680
3A00324-122.835.3292-12.421.0771
4A00727-123.436.429.92-1321.0720
5A01010-127.945.736.84-17.811.0730
6AO00057-236.847.742.25-10.901.0771
7AO02183-245.648.547.15+4.401.0845
LSD 0.053.14.5
Average2941.335.112.511.077
Date test performed:
WashingtonOct. 9Sept. 29
IdahoOct. 9Sept. 29
OregonOct. 9Sept. 30
§ 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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