WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 44°F After Arrival

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR
Clonestembudaveragertg §COLORstembudrtg
Washington
1Ranger Russet24.832.728.72-10.311.314
2Russet Burbank27.339.433.43-12.110.80.45
3A9045-719.329.524.41-10.631.81.43
4A90586-1117.720.218.903.532.12.12
5A9304-322.433.6282-11.321.71.33
6A9305-1024.832.528.72+8.512.11.53
7AC92009-4Ru21.435.128.32-16.623.21.72
8ATX9202-1Ru24.436.530.42-12.1220.94
9CO92077-5Ru24.525.825.22+5.412.52.71
10NDC5372-1Ru20.924.122.51+4.923.32.61
11Stampede Russet17.822.720.21+5.234.33.61
12TC1675-1Ru30.333.8323+4.311.614
LSD 0.0553.8
Average22.330.226.29.122.31.8
Idaho
1Ranger Russet2632.129.12+7.211.70.74
2Russet Burbank22.531.727.12-9.521.91.13
3A9045-724.631.628.12+711.714
4A90586-1126.331.7292+7.711.514
5A9304-328.437.232.83-13.811.70.84
6A9305-1031.637.934.83+8.601.20.84
7AC92009-4Ru20.836.228.52-15.4221.23
8ATX9202-1Ru26.524.625.52+411.51.83
9CO92077-5Ru20.825.623.21+4.822.122
10NDC5372-1Ru21.328.224.72+8.7221.43
11Stampede Russet19.924.622.21+6.122.61.92
12TC1675-1Ru25.830.2282+611.41.34
LSD 0.053.73.6
Average24.43127.78.411.81.2
Oregon
1Ranger Russet24.936.730.83-12.211.80.94
2Russet Burbank19.831.625.72-11.8221.23
3A9045-714.828.421.61-13.532.91.72
4A90586-1117.228.622.91-11.532.81.32
5A9304-323.837.630.73-13.7220.94
6A9305-1025.833.529.62+7.711.91.23
7AC92009-4Ru21.833.827.82-15.622.61.32
8ATX9202-1Ru23.432.828.12-1222.41.33
9CO92077-5Ru12.721.41708.743.32.61
10NDC5372-1Ru20.935.2282-14.322.31.23
11Stampede Russet17.921.819.91+4.432.82.21
12TC1675-1Ru27.736.432.13-9.611.10.65
LSD 0.0544.1
Average20.33125.611.422.41.4
Date test performed, days @ 44°F:
WashingtonDec. 1377Dec. 13
IdahoDec. 1471Dec. 14
OregonDec. 1569Dec. 15
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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