2007 - Potatoes at WSU - Washington State University

LTS
2007 Late Harvest Tri-State Trial
Entries Retained from the 2006 Trials Currently in the Tri-State Trial
Harvested fall of 2006
Held at 48°F until December 28
Stored at 44°F until analysis
A0008-1TE, A97066-42LB, PA99N2-1, and 2-1, PA99N82-4 and were 82-4 retained w ere retained from the from 2006 the Tri-State 2006 Tri-State Trial. On Trial. average, O n average, A97066- A
42LB
42LB and and PA99N82-4 produced lighter fries than Ranger R anger or or Russet R usset Burbank Burbank after after 7 months 7 m onths of storage. of storage. They They also also had had l
lower sugar reducing concentrations. sugar sugar PA99N concentrations. 2-1 produced PA99N2-1 m ottled produced fries from mottled all three fries states. from all Sprout three states. lengths Sprout of the lengths num bered of the clone
numbered clones were considerably considerably longer longer than either than check, either indicating check, indicating shorter dormancy. shorter dorm ancy.
PHO TO VO LT READIN G U SDA % R E D U C IN G SUG AR Sprouting
C lone stem bud avg D IFF C O LO R stem bud avg percent length
W ashington
1 R anger R usset 26.3 46.8 36.5 20.5 1 1.8 0.5 1.2 100 2"
2 R usset Burbank 26.0 45.6 35.8 19.6 1 1.8 0.6 1.2 100 1 1/2"
3 A0008-1TE 22.3 24.7 23.5 7.7 2 2.3 2.0 2.2 100 4 1/2"
4 A97066-42LB 44.3 48.8 46.5 5.4 0 0.6 0.5 0.6 100 4"
5 PA99N 2-1 31.1 39.5 35.3 8.4 0 1.3 0.8 1.0 100 4 1/2"
6 PA99N 82-4 41.8 45.3 43.6 4.0 0 0.7 0.6 0.6 100 5 1/2"
LSD 0.05 4.8 4.3
Average 32.0 41.8 36.9 10.9 0.7 1.4 0.8 1.1 100
Idaho
1 R anger R usset 36.5 42.5 39.5 9.3 0 0.9 0.6 0.8 100 2 1/2"
2 R usset Burbank 29.0 39.6 34.3 12.5 1 1.5 0.8 1.1 100 1"
3 A0008-1TE 29.6 34.1 31.8 7.0 1 1.4 1.1 1.2 100 3 1/2"
4 A97066-42LB 43.4 45.4 44.4 3.2 0 0.6 0.6 0.6 100 4"
5 PA99N 2-1 30.8 34.8 32.8 5.0 0 1.3 1.0 1.2 100 4 1/2"
6 PA99N 82-4 35.8 38.9 37.4 4.3 0 0.9 0.8 0.9 100 4"
LSD 0.05 3.8 4.4
Average 34.2 39.2 36.7 6.9 0.3 1.1 0.8 1.0 100
O regon
1 R anger R usset 24.9 38.3 31.6 13.4 1 2.0 0.8 1.4 100 2 1/2"
2 R usset Burbank 24.6 41.6 33.1 17.0 1 2.0 0.7 1.3 100 2"
3 A0008-1TE 24.9 30.7 27.8 7.7 1 2.0 1.3 1.6 100 4"
4 A97066-42LB 36.8 44.6 40.7 7.8 0 0.9 0.6 0.7 100 2 1/2"
5 PA99N 2-1 27.7 36.2 31.9 8.6 1 1.6 0.9 1.3 100 4"
6 PA99N 82-4 35.7 44.9 40.3 10.1 0 1.0 0.6 0.8 100 4 1/2"
LSD 0.05 3.1 4.3
Average 29.1 39.4 34.2 10.8 0.7 1.6 0.8 1.2 100
D ate test perform ed:
W ashington April 30
Idaho April 30
O regon M ay 1
2007 Potato Cultivar Evaluations 66 WSU Potato Research Group