WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 44°F After Arrival

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR
Clonestembudaveragertg §COLORstembudrtg
Washington
1Ranger Russet28.536.132.33+7.711.50.84
2Russet Burbank22.229.625.92+7.422.21.53
3A91186-237.244.340.75+7.101.10.65
4A91814-538.243.140.65+5.100.90.55
5A92030-530.734.632.63+4.201.71.43
6A92294-636.441.338.94+5.800.60.45
7A9304-330.540.435.43-9.901.414
8A9305-1034.741.137.94+7.300.80.65
9A93157-6LS40.642.741.75+3.500.40.45
10AC92009-4Ru30.140.235.23-10.211.40.94
11ATX9202-1Ru2437.430.73-13.422.20.93
12CO93001-11RU26.332.329.32+611.51.53
13CO93016-3RU2333.428.22-10.421.61.33
14TC1675-1Ru30.736.933.83+7.101.11.14
LSD 0.054.34.1
Average30.938.134.57.511.30.9
Idaho
1Ranger Russet24.531.828.22-10.1121.23
2Russet Burbank20.831.125.92-10.322.71.52
3A91186-23744.240.65+8.501.60.94
4A91814-541.844.343.15+3.900.90.65
5A92030-52530.327.62+6.212.21.82
6A92294-637.743.240.55+8.101.30.84
7A9304-322.930.626.82-10.122.51.72
8A9305-1033.939.736.84+7.801.214
9A93157-6LS37.945.241.55+7.600.50.45
10AC92009-4Ru26.638.632.63-1211.91.23
11ATX9202-1Ru18.135.326.72-17.232.71.13
12CO93001-11RU28.935.2323+6.611.51.24
13CO93016-3RU15.624.219.91+8.932.92.31
14TC1675-1Ru28.937.833.43-911.51.14
LSD 0.054.14.2
Average28.536.532.5911.81.2
Oregon
1Ranger Russet15.431.423.41-1634.41.71
2Russet Burbank10.925.818.3014.944.72.81
3A91186-213.62519.3011.445.12.31
4A91814-52126.923.91+5.923.31.91
5A92030-520.632.326.42-11.922.91.92
6A92294-611.525.518.5014.1462.11
7A9304-31625.720.91-9.734.32.31
8A9305-1013.123.918.5010.844.52.21
9A93157-6LS21.335.428.42-15.422.71.13
10AC92009-4Ru11.923.817.8011.945.62.41
11ATX9202-1Ru14.52519.71-11.333.91.71
12CO93001-11RU17.330.123.71-13.334.32.31
13CO93016-3RU9.415.912.706.546.53.81
14TC1675-1Ru23.427.125.31+5.722.21.82
LSD 0.052.94.8
Average15.726.721.211.334.32.2
Date test performed, days @ 44°F:
WashingtonDec. 964Dec. 9
IdahoDec. 1164Dec. 11
OregonDec. 1364Dec. 13
rtg=ratingDIFF=Absolute 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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