WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 48°F for 60 Days and Sprouting

  PHOTOVOLT READING DIFFUSDA % REDUCING SUGAR SPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length (in)
Washington
1Ranger Russet2340.231.63-17.222.20.7393.5
2Russet Burbank2540.332.73-15.411.90.740
3A92030-536.451.6445-15.200.90.5527.125
4A92294-634.44841.25-13.6010.550
5A93157-6LS33.546.940.24-13.401.10.557.125
6A95109-124.834.229.52-9.3121.130
7A95409-124.233.8292-9.622.11.1313.125
8A96095-3354640.55-11.3010.5540.125
9A96104-229.346.7384-17.411.50.5440.5
10AO96160-336.247.341.75-11.100.90.5547.25
11AO96164-140.148.644.45-9.100.70.5567.5
12AOA95154-135.350.242.85-14.9010.5547.125
13AOA95155-730.849.540.24-18.701.30.5520.125
14ATX91137-1Ru27.135.731.43+8.611.7140
15CO94035-15Ru30.142.736.44-12.711.40.640
16CO95086-8Ru37.551.544.55-14.100.90.5520.25
17CO95172-3Ru20.934.227.52-13.322.51.1360.25
18MWTX2609-2Ru20.326.423.31+6.422.61.8220.125
19PA97B3-24145.943.45+5.600.70.5580.25
20TXA549-1Ru30.740.335.54-9.601.30.7453.125
LSD 0.053.35.721
Average30.84336.912.311.40.732
Idaho
1Ranger Russet43.149.746.45+6.600.60.5520.125
2Russet Burbank34.847.1415-12.3010.550
3A92030-545.154.449.75-9.200.60.550
4A92294-650.157.453.85+7.300.50.450
5A93157-6LS50.552.851.65+2.300.50.5513.125
6A95109-137.945.541.75+7.600.80.657.125
7A95409-133.648.240.95-14.601.10.550
8A96095-339.749.244.55-9.500.70.550
9A96104-242.151.9475-9.800.60.5520.125
10AO96160-349.855.552.75+5.800.50.5520.25
11AO96164-141.950.1465+8.200.70.5533.5
12AOA95154-139.251.745.45-12.500.80.550
13AOA95155-751.754.953.35+3.200.50.550
14ATX91137-1Ru41.147.644.35+6.600.70.550
15CO94035-15Ru47.854.150.95+6.300.50.5520.125
16CO95086-8Ru46.652.549.65+5.900.50.5527.25
17CO95172-3Ru42.748.845.75+6.200.60.550
18MWTX2609-2Ru45.149.247.25+4.200.60.5547.25
19PA97B3-228.739.834.33-11.111.50.7433.25
20TXA549-1Ru43.547.645.55+4.100.60.5513.125
LSD 0.0534.418
Average42.750.446.67.700.70.513
PHOTOVOLT READINGDIFFUSDA% REDUCING SUGARSPROUTING
Clonestembudaveragertg §COLORstembudrtg(%)length (in)
Oregon
1Ranger Russet31.644.5384-12.901.20.6553.5
2Russet Burbank26.442.334.33-1611.80.640
3A92030-541.650.646.15-900.70.550
4A92294-635.752.243.95-16.5010.550
5A93157-6LS42.745.4445+2.800.60.6527.125
6A95109-130.339.134.73-911.40.840
7A95409-129.843.936.94-14.111.40.640
8A96095-329.646.337.94-16.711.40.540
9A96104-236.446.841.65-10.400.90.5560.125
10AO96160-342.450.946.75+8.400.60.5513.125
11AO96164-147.950.549.25+2.600.50.55100.25
12AOA95154-135.551.743.65-16.2010.5567.125
13AOA95155-728.549.4394-20.911.50.540
14ATX91137-1Ru26.741.534.13-14.811.70.740
15CO94035-15Ru39.645.542.65+6.600.70.657.125
16CO95086-8Ru40.851.446.15-10.700.70.5533.25
17CO95172-3Ru2337.830.42-14.822.20.8367.125
18MWTX2609-2Ru24.635.129.82-10.412130
19PA97B3-239.848.644.25+8.800.70.5540.25
20TXA549-1Ru33.841.737.84+7.901.10.7560.125
LSD 0.053.45.520
Average34.345.84011.501.20.626
Date test performed:
WashingtonDec. 5Dec. 5Dec. 18
IdahoDec. 11Dec. 11Dec. 18
OregonDec. 17Dec. 17Dec. 18
§ rtg = rating (1-5, 5 is best); av = average Photovolt reading; Diff = Aboslute 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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