WSU CAHNRS

Washington State University

Potatoes at WSU

2013 Regional Trial Longterm storage

Entries Retained from the 2013 Trial Currently in the Regional Trial

Harvested fall of 2013 Held at 48°F until December 21 Stored at 44°F until analysis

Four clones were advanced from the 2013 Tri-State Trial into the 2014 Regional Trial (A03921-2, A06021-1T, A06084-1TE & AO03123-2). Seven clones were retained in the Regional Trial. When averaged across states, A02507-2LB (51.9 ref units) and POR06V12-3 (50.1 ref units) produced the lightest fries. Uniformity of fry color was unacceptable for eleven of the thirteen entries. A02507-2LB & POR06V12-3 were the only two entries to produce uniform fries from all three states. A03158-2TE had the shortest dormancy with the longest sprouts (9″) while A02507-2LB (1″) had the shortest average sprout length (these results have been consistent over the last 4 years).

  PHOTOVOLT READING USDA% REDUCING SUGAR Sprouting
ClonestembudavgDIFFCOLORstembudavgpercentlength (in.)
Washington
1Ranger Russet27.340.433.815.911.70.71.21004
2Russet Burbank22.54634.223.522.30.51.41005
3A02424-83LB34.147.440.713.301.10.50.81005.5
4A02507-2LB51.752.752.23.700.50.50.51001.5
5A03158-2TE36.74339.812.300.90.60.81009
6A03921-2 §41.449.545.48.900.70.50.61004.5
7A06021-1T §27.541.834.714.311.60.71.21002
8A06084-1TE §43.650.146.87.900.60.50.61006.5
9AO01114-433.74740.413.301.10.50.81003
10AO02060-334.244.839.512.1010.60.81004.5
11AO03123-2 §46.549.247.86.100.50.50.51002
12OR05039-429.546.838.217.311.40.511003
13POR06V12-34753.250.16.800.50.60.51004.5
LSD 0.0545.4
Average36.647.141.81200.90.50.8100
Idaho
1Ranger Russet28.140.634.312.511.60.71.11004
2Russet Burbank23.546.735.123.622.20.51.31001
3A02424-83LB42.851.647.211.700.60.50.61004
4A02507-2LB51.355.353.34.600.50.50.51001
5A03158-2TE3839.138.6700.80.80.81006
6A03921-242.351.546.99.200.60.50.61002.5
7A06021-1T33.244.738.911.501.10.60.81000.5
8A06084-1TE52.654.153.43.900.50.50.51005
9AO01114-43546.240.611.2010.50.81001.5
10AO02060-34349.746.36.900.60.50.61002.5
11AO03123-240.651.746.113.100.70.50.61001.5
12OR05039-439.349.744.510.800.80.50.61003
13POR06V12-348.55350.84.800.50.60.51003.5
LSD 0.053.64.7
Average37.747.542.611.411.10.60.8100
Oregon
1Ranger Russet274234.51511.70.71.21004
2Russet Burbank2242.332.220.222.40.61.51004
3A02424-83LB33.546.740.116.401.10.50.81004
4A02507-2LB4852.450.25.400.50.50.51001.5
5A03158-2TE4045.142.67.800.70.60.610013
6A03921-243.553.448.59.900.60.60.61008.5
7A06021-1T29.83532.47.911.411.21002.5
8A06084-1TE29.244.93715.711.50.611007
9AO01114-430.945.438.214.501.30.60.91009
10AO02060-343.342.7435.100.60.60.61006
11AO03123-239.247.343.38.800.80.50.61004
12OR05039-436.546.941.711.500.90.50.71004.5
13POR06V12-349.249.449.36.900.50.50.51003.5
LSD 0.054.55.7
Average36.345.74111.201.10.60.8100
§ Advanced from 2013 Tri-State Trial
Date test performed:
WashingtonApril 29
IdahoApril 30
OregonMay 1
Potatoes at WSU, PO Box 646414, Washington State University, Pullman WA 99164-6414, 509-335-9502
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