WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 44°F for 60 Days

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR
Clonestembudaveragertg §COLORstembudrtg
Washington
1Ranger Russet31.141.136.14-1001.30.74
2Russet Burbank28.736.932.83+8.211.50.94
3A00324-128.936.332.63+7.411.50.94
4A00727-123.233.528.32-10.322.21.13
5A01010-133.644.839.24-11.501.10.65
6AO00057-249.350.950.15+2.800.50.55
7AO02183-228.640.434.53-1411.50.74
LSD 0.053.44.1
Average31.940.636.29.211.40.8
Idaho
1Ranger Russet37.441.539.54+5.400.90.75
2Russet Burbank22.836.429.62-13.622.20.93
3A00324-124.232.928.62+8.922.11.13
4A00727-118.624.421.51+6.832.921
5A01010-131.336.7343+7.901.30.94
6AO00057-237.64440.85+7.300.80.65
7AO02183-25351.852.45+3.300.50.55
LSD 0.052.13.6
Average32.138.335.27.611.51
Oregon
1Ranger Russet28.639.5343-10.911.50.84
2Russet Burbank18.637.728.12-19.132.90.83
3A00324-118.233.7262-15.5331.12
4A00727-12035.327.72-15.422.713
5A01010-121.440.6313-19.222.50.73
6AO00057-22642.1343-16.111.80.74
7AO02183-244.447.946.25+4.700.60.55
LSD 0.052.53.5
Average25.339.532.414.422.10.8
Date test performed:
WashingtonDec. 7Dec. 7
IdahoDec. 1Dec. 1
OregonDec. 13Dec. 13
§ 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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