WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 44°F After Arrival

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR
Clonestembudaveragertg §COLORstembudrtg
Washington
1Ranger Russet18.323.520.91+5.632.21.63
2Russet Burbank26.334.130.22+7.811.10.75
3A91186-224.730.827.82+8.611.314
4A91814-533.238.435.84+5.500.80.55
5A92030-52024.922.51+8.222.322
6A92294-623.531.427.42+8.320.90.65
7A93116-315.922.519.207.332.92.81
8A93157-6LS33.837.635.74+5.800.30.25
9A94053-532.742.937.84-10.800.60.35
10AO94110-20318.62119.81+3.9322.31
LSD 0.0543.9
Average24.530.427.47.121.51.2
Idaho
1Ranger Russet17.32420.71+6.732.31.53
2Russet Burbank18.228.123.21-10.232.41.33
3A91186-234.23635.13+6.701.10.95
4A91814-536.636.236.44+5.400.90.75
5A92030-518.724.621.71+6.232.42.12
6A92294-62535.430.22-11.711.40.65
7A93116-323.822.823.31+4.1222.52
8A93157-6LS40.54040.24+2.900.20.25
9A94053-531.942.237.14-10.300.70.35
10AO94110-20319.622.3211+4.721.91.83
LSD 0.053.53.7
Average26.830.928.86.821.61.2
Oregon
1Ranger Russet24.936.730.83-12.211.80.94
2Russet Burbank19.831.625.72-11.8221.23
3A91186-228.941.435.23-13.711.714
4A91814-529.137.133.13-9.511.61.24
5A92030-526.635.4313+8.811.61.14
6A92294-620.332.526.42-12.221.80.94
7A93116-315.92821.91-13.7331.92
8A93157-6LS28.537.833.13-9.811.10.45
9A94053-529.146.137.64-1711.10.45
10AO94110-20317.629.423.51-11.832.41.43
LSD 0.053.84.6
Average24.235.129.711.521.81
Date test performed, days @ 44°F:
WashingtonDec. 1075Dec. 1075
IdahoDec. 1169Dec. 1169
OregonDec. 1266Dec. 1266
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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