Late Harvest Tri-State Prior to storage
PHOTOVOLT READING DIFF USDA SPECIFIC
Clone stem bud av rtg § COLOR GRAVITY rtg
Washington
1 Ranger Russet 37.6 44.6 41.1 5- 9.2 0 1.101 5
2 Russet Burbank 48.4 45.2 46.8 5+ 5.0 0 1.090 4
3 A89219-7 47.0 48.4 47.7 5+ 4.6 0 1.091 4
4 A9045-7 40.7 45.4 43.0 5+ 5.3 0 1.098 5
5 A90586-11 40.3 39.4 39.8 4+ 7.2 0 1.098 5
6 AO90014-1 51.0 53.1 52.1 5+ 4.0 0 1.085 3
7 AO92017-6 45.6 44.4 45.0 5+ 5.9 0 1.093 4
LSD 0.05 2.8 3.7 0.008
Average 44.4 45.8 45.1 5.9 0 1.094
Idaho
1 Ranger Russet 31.7 41.7 36.7 4- 10.0 0 1.097 5
2 Russet Burbank 32.8 45.7 39.2 4- 13.3 0 1.088 4
3 A89219-7 37.9 41.0 39.4 4+ 4.3 0 1.098 5
4 A9045-7 25.5 29.9 27.7 2+ 5.1 1 1.097 5
5 A90586-11 30.2 35.4 32.8 3+ 7.8 1 1.098 5
6 AO90014-1 47.9 54.8 51.4 5+ 7.0 0 1.095 5
7 AO92017-6 43.2 45.7 44.5 5+ 4.0 0 1.095 5
LSD 0.05 3.1 4.0 0.003
Average 35.6 42.0 38.8 7.3 0 1.095
Oregon
1 Ranger Russet 31.4 44.6 38.0 4- 13.4 0 1.087 3
2 Russet Burbank 25.2 46.3 35.7 4- 21.0 1 1.083 3
3 A89219-7 43.8 46.6 45.2 5+ 4.7 0 1.076 2
4 A9045-7 20.6 34.3 27.4 2- 13.6 2 1.084 3
5 A90586-11 23.0 38.1 30.5 2- 15.1 2 1.084 3
6 AO90014-1 38.9 53.4 46.1 5- 14.5 0 1.076 2
7 AO92017-6 42.2 44.4 43.3 5+ 5.8 0 1.084 3
LSD 0.05 3.2 4.8 0.007
Average 32.2 43.9 38.0 12.6 1 1.082
Date test performed:
Washington Oct. 7 Oct. 5
Idaho Oct. 13 Oct. 11
Oregon Oct. 15 Oct. 14
rtg=rating av=average DIFF= Absolute 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.