WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 48°F After Arrival

                
PHOTOVOLT READINGDIFFUSDA% REDUCING SUGARSPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length (in)
Washington
1Ranger Russet39.844.942.45+6.300.70.65601/8"
2Russet Burbank36.143.239.64+8.500.90.650
3A00324-137.543.940.75+700.90.65601/4"
4A00727-128.937.1333-9.411.50.94201/4"
5A01010-137.852.745.35-15.100.80.55671/8"
6AO00057-252.553.753.15+3.200.50.55931/8"
7AO02183-247.253.450.35+6.600.50.650
LSD 0.053.54.222
Average404743.5800.80.643
Idaho
1Ranger Russet4345445+5.100.60.65871/4"
2Russet Burbank27.741.834.73-14.111.60.740
3A00324-139.241.140.24+400.80.751001/4"
4A00727-125.127.226.22+4.911.91.73271/4"
5A01010-142.351.446.85-9.900.60.551001/4"
6AO00057-253.953.653.75+3.500.50.650
7AO02183-254.253.954.15+2.300.50.551001/2"
LSD 0.053.12.615
Average40.844.942.86.2010.759
Oregon
1Ranger Russet27.941.334.63-13.411.60.741003/4"
2Russet Burbank17.938.328.12-20.4330.830
3A00324-123.840.332.13-16.522.10.741001/4"
4A00727-127.23732.13-10.211.70.94801/4"
5A01010-128.650.339.44-21.711.50.541001/2"
6AO00057-232.45141.75-18.601.20.550
7AO02183-248.450.449.45+3.900.50.551003/4"
LSD 0.052.64.411
Average29.444.136.81511.70.769
Date test performed:
WashingtonDec. 6Dec. 22
IdahoNov. 30Dec. 22
OregonDec. 12Dec. 22
§ 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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