WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 44°F After Arrival

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR
Clonestembudaveragertg §COLORstembudrtg
Washington
1Ranger Russet20.631.125.92-10.821.80.84
2Russet Burbank19.427.323.31+832.31.33
3A95409-116.427.121.71-10.833.21.52
4A96023-623.330.426.82+7.422.51.13
5A96095-327.240.133.63-12.912.11.23
6A96104-223.33227.72+8.722.21.63
7A98295-3TE19.527.323.41+7.822.51.92
8AO96164-135.441.938.64+6.500.80.45
9AOA95154-139.247.443.35+8.300.60.35
10AOA95155-730.243.236.74-13.111.50.64
11COA96054-32535.430.22-10.411.51.43
12PA97B3-229.233.431.33+4.311.21.14
LSD 0.053.73.8
Average25.734.730.29.121.81.1
Idaho
1Ranger Russet30.737.2343+7.401.40.74
2Russet Burbank22.432.427.42-1021.80.94
3A95409-124.726.825.72+4.312.11.33
4A96023-630.735.232.93+5.701.30.84
5A96095-327.137.232.23-10.112.10.93
6A96104-230.939.535.23-901.30.74
7A98295-3TE18.430.424.41-1232.51.33
8AO96164-132.438.935.74+6.601.20.55
9AOA95154-138.644.241.45+6.900.70.35
10AOA95155-734.834.734.73+6.500.90.65
11COA96054-323.133.928.52-10.821.60.94
12PA97B3-229.435.832.63+6.811.10.75
LSD 0.052.63.6
Average28.635.532.1811.50.8
Oregon
1Ranger Russet13.727.420.51-13.643.71.41
2Russet Burbank12.425.418.901343.51.61
3A95409-113.623.318.509.744.12.41
4A96023-612.421.116.708.844.32.41
5A96095-322.230.426.32+8.222.81.82
6A96104-214.820.717.805.934.22.81
7A98295-3TE11.121.616.4010.544.73.11
8AO96164-12835.731.93+8.211.913
9AOA95154-123.442.332.83-18.922.10.64
10AOA95155-714.331.8231-17.543.91.41
11COA96054-319.430.124.72-10.732.51.33
12PA97B3-216.927.522.21-10.633.41.91
LSD 0.052.84.4
Average16.828.122.511.333.41.8
Date test performed, days @ 44°F:
WashingtonDec. 258Dec. 2
IdahoDec. 758Dec. 7
OregonDec. 1258Dec. 12
rtg=ratingDIFF=difference between bud and stem photovolt reading.
§ Stem to bud differences of nine or greater (-) lose one point and differences of less than 9 (+) 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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