WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 48°F for 44 Days

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR SPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length (in)
Washington
1Ranger Russet26.641.5343-14.911.80.7410041702
2Russet Burbank34.142.638.44+8.501.10.652741643
3A95409-130.540.335.43-9.801.30.748741643
4A96104-237.448.6435-11.200.90.559341702
5A97287-644.848.846.85+4.800.60.556041643
6AC96052-1Ru46.354.350.35+800.50.556041647
7AO96141-346.85249.45+5.700.50.55931
8AO96164-144.246.445.35+3.100.60.5510041702
9AOA95154-14352.447.75-9.400.60.5510041643
10AOA95155-731.347.839.64-16.501.30.5510041702
11AOTX95265-3Ru24.432.528.52+8.1221.238741643
12CO97087-2Ru50.153.351.75+4.200.50.6510041643
13TXA549-1Ru2938.133.63-9.111.50.8410041641
LSD 0.053.33.518
Average37.64641.88.7010.685
Idaho
1Ranger Russet39.444.441.95+6.700.80.656041643
2Russet Burbank24.345.634.93-21.3220.640
3A95409-13848.443.25-10.500.80.55741647
4A96104-239.648.4445+8.800.70.556041643
5A97287-640.645.3435-1100.70.650
6AC96052-1Ru43.749.546.65+6.600.60.555341647
7AO96141-35045.147.55+5.900.50.658041643
8AO96164-141.551.146.35-10.300.70.552741647
9AOA95154-146.151.748.95+6.300.50.558041647
10AOA95155-744.946.845.95+4.700.60.552041647
11AOTX95265-3Ru31.339.635.43+8.601.30.740
12CO97087-2Ru49.154.651.85+7.700.50.550
13TXA549-1Ru45.845.845.85+4.100.60.658041643
LSD 0.053.64.821
Average41.147.444.38.700.80.636
Oregon
1Ranger Russet25.343.534.43-18.211.90.648741641
2Russet Burbank14.941.628.32-26.733.60.721341647
3A95409-121.635.128.32-13.522.4132741647
4A96104-226.245.936.14-19.711.80.548041641
5A97287-638.350.144.25-11.800.80.552741647
6AC96052-1Ru32.547.740.14-15.301.20.554741647
7AO96141-345.350.347.85+5.500.60.551001
8AO96164-14348.745.95+5.800.60.551001
9AOA95154-130.34839.24-17.711.40.558741643
10AOA95155-725.747.636.64-21.911.90.5410041702
11AOTX95265-3Ru18.735.527.12-16.832.9136741647
12CO97087-2Ru38.25245.15-13.800.80.555341643
13TXA549-1Ru22.440.931.63-18.522.30.738741643
LSD 0.052.8521
Average29.445.137.315.811.70.667
Date test performed:
WashingtonDec. 1Dec. 1Dec. 26
IdahoDec. 13Dec. 13Dec. 26
OregonDec. 4Dec. 4Dec. 26
§ 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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