2007 - Potatoes at WSU - Washington State University

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LTS Relative ranking of clones in the Late Season Tri-State Trial for variability in yield of French fries from 8- to 10-oz tubers. Variability is expressed as the standard deviation (calculated across ID, WA and OR production sites) for the yield of fries ≥3 inches in length (% by number) from 8- to 10-oz tubers. High values reflect more variation in tuber shape and thus fry yield from state to state. For example, PA99N82-4 had a length to width ratio of 1.4 (see previous page), resulting in 58% of the tuber yielding French fries that were ≥3 inches in length. However, tuber shape varied across production regions (above), resulting in fry yields ranging from 49.6% to 66.4% (58 ±8.4%). Tuber length to width ratios and the associated percentage yield of fries are shown on the previous page. Bars with the same letter are not significantly different (P≤0.01). 2007 Potato Cultivar Evaluations 65 WSU Potato Research Group
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
Page 1 and 2:
2007 Potato Cultivar Yield and Post
Page 3 and 4:
Table of Contents Introduction.....
Page 5 and 6:
INTRODUCTION The 2007 Washington
Page 7 and 8:
2007 Growing Season Temperatures Ap
Page 9 and 10:
OVERALL CULTIVAR & CLONE PERFORMANC
Page 11 and 12:
ADVANCED LINES - REGIONAL TRIAL Pro
Page 13 and 14:
At-Harvest Grading Comments & Fresh
Page 15 and 16: Fresh Market Value - Methods Econom
Page 17 and 18: 2007 Postharvest Procedures Early H
Page 19 and 20: Calculation of Total Score - The ov
Page 21 and 22: ETS 2007 Early Harvest Tri-State Tr
Page 29 and 30: ETS Tubers Fries WA Early Harvest T
Page 31 and 32: ETS Tubers Fries WA Early Harvest T
Page 33 and 34: ETS Josh Rodriguez gives a new mean
Page 35 and 36: LTS 2007 Late Harvest Tri-State Tri
Page 45 and 46: LTS Tubers Ranger Russet WA Late Ha
Page 47 and 48: LTS Tubers A98345-1 WA Late Harvest
Page 49 and 50: LTS Tubers PA00N15-2 WA Late Harves
Page 51 and 52: LTS Tubers PA99N82-4 WA Late Harves
Page 55 and 56: LTS “A meeting of the minds” du
Page 65: LTS 2007 Late Harvest Tri-State Tri
Page 69 and 70: ERT 2007 Early Harvest Regional Tri
Page 77 and 78: ERT Tubers Fries WA Early Harvest R
Page 79 and 80: ERT Tubers Fries WA Early Harvest R
Page 83 and 84: LRT 2007 Late Harvest Regional Tria
Page 93 and 94: LRT Tubers Ranger Russet WA Late Ha
Page 95 and 96: LRT Tubers AC96052-1Ru WA Late Harv
Page 97 and 98: LRT Tubers AOTX95265-3Ru WA Late Ha
Page 113 and 114: LRT Late Harvest Fresh-Processing E
Page 115 and 116: RED & SPECIALTY 2007 Red and Specia
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RED & SPECIALTY ‣ For oven baked
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RED & SPECIALTY 2007 Regional Red a
Page 121 and 122:
RED & SPECIALTY 2007 Regional Red a
Page 123 and 124:
RED & SPECIALTY Tubers WA Red and S
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RED & SPECIALTY 2007 Washington Reg
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RED & SPECIALTY 2007 Washington Reg
Page 137:
Index of Clones and Cultivars Early
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