WSU CAHNRS

Washington State University

Potatoes at WSU

Stored at 44°F after arrival

  PHOTOVOLT READING  USDA % REDUCING SUGAR
ClonestembudAveragertg §DIFFCOLORstembudrtg
Washington
1Ranger Russet16.228.122.21-11.932.20.64
2Russet Burbank15.321.318.306321.23
3A8893-121.730.125.92-10.121.614
4A88338-122.131.226.72-9.7210.85
5A9014-220.730.225.52-12.720.60.65
6AC87084-312.723.818.3011.342.31.63
7AC87138-413.731.722.71-1842.40.63
8AO87277-617.528.322.91-10.831.60.64
9CO89036-109.317.713.508.444.42.51
LSD 0.0534.30.10.1
Average16.626.921.811321
Idaho
1Ranger Russet20.430.525.42-10.121.50.74
2Russet Burbank19.126.122.61+8.131.50.74
3A8893-120.63125.82-10.521.30.94
4A88338-119.524.6221+5.131.51.34
5A9014-230.738.734.73+8.500.70.65
6AC87084-318.731.825.32-13.131.60.94
7AC87138-413.632.823.21-19.141.90.64
8AO87277-617.836.727.22-1931.60.64
9CO89036-109.916.613.206.845.13.21
LSD 0.052.63.70.10.1
Average18.929.924.411.231.91
Oregon
1Ranger Russet12.621.917.209.343.12.61
2Russet Burbank9.916.21306.343.92.31
3A8893-115.322.71907.433.11.91
4A88338-112.523.718.1011.543.31.71
5A9014-227.936323+8.210.90.75
6AC87084-310.919.815.409.143.82.41
7AC87138-411.83121.41-19.3441.11
8AO87277-617.429.623.51-14.532.40.63
9CO89036-10710.88.903.846.54.21
LSD 0.052.54.10.10.1
Average13.923.518.79.933.42
Date test performed:
WashingtonDec. 5Dec. 5
IdahoDec. 6Dec. 6
OregonDec. 7Dec. 7
rtg=ratingDIFF=difference between bud and stem photovolt reading
§ Stem to bud differences of nine or greater (-) would lose one point.
Differences of less than 9 (+) would receive one extra point.
Potatoes at WSU, PO Box 646414, Washington State University, Pullman WA 99164-6414, 509-335-9502
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