Oakes Irrigation Research Site
Carrington Research Extension Center * North Dakota State University
P.O.
Box 531, Oakes, ND 58474-0531, Phone: (701) 742-2744, FAX: (701) 742-2700,
E-mail: Walter.Albus@ndsu.edu
Table
1. Total yield and size profile distribution of twelve potato varieties grown
at the Oakes
irrigated
research site in 20091.
Yield
(cwt/acre)
Alpine
507 29 15
55 71 72
237 30
Bannock
411 35 7 57
62 65 190
5
Burbank
520 26 11
42 69 78
227 68
Dakota
Trailblazer2 411 17 4 32
47 68 213
32
Gemstar
415 20 4 30
33 38 268
24
MN02419
457 40 18
86 95 81
128 9
MN15620
463 66 23
81 85 83
117 10
MN18747
508 22 17
69 85 75
227 13
Premier
427 19 10
37 47 55
217 43
Prospect
395 17 9 35
56 53 217
10
Ranger
457 29 14
53 74 70
185 33
Umatilla
496 65 24
98 94 71
136 9
LSD
(alpha=0.10)3 41 9
5 11
16 13 33 16
1Potatoes were planted
on 8 May and harvested on 8 September, 2009. Evaluations made by the NDSU
Extension Potato Program at the USDA Potato
Worksite in East Grand Forks, MN immediately following
harvest.
2Dakota
Trailblazer tested as AOND95249-1Russ.
3Two values within the
same column are significantly different if the difference is equal-to or
greater- than
the LSD value.
Table 2. Total yield, Usable yield, Specific
gravity, and Length:width ratio of twelve potato
varieties
grown at the Oakes irrigated research site in 20091.
Entry Total
Yield Usable Yield
Specific Gravity5
L:W ratio6
(cwt/acre) Cwt/acre2 % > 6 oz3 % > 10 oz Average of all sizes
Alpine 507 448 85
53 1.087 1.7
Bannock 411 370 86
52 1.087 1.7
Burbank 520 426 88
53 1.087 2.0
Dakota Trailblazer7 411 362
91 59 1.096
1.7
Gemstar 415 371 91
72 1.084 1.8
MN02419 457 407 74
31 1.088 1.9
MN15620 463 388 73
29 1.087 1.7
MN18747 508 473 82
48 1.070 1.6
Premier 427 365 87
59 1.085 1.8
Prospect 395 368 89
58 1.081 1.6
Ranger 457 395 83
46 1.092 2.1
Umatilla 496 421 71
32 1.087 1.9
LSD (alpha=0.10)8
41
44 3 6
1Potatoes were planted
on 8 May and harvested on 8 September, 2009. Evaluations made by
the NDSU Extension Potato Program at the USDA
Potato Worksite in East Grand Forks, MN
immediately following harvest.
2Cwt/acre of tubers
greater than 3 oz. 3 and 4Percentage of usable yield greater than 6
and 10 oz,
respectively.
5Specific gravity =
[Weight in air/(Weight in air - Weight in water)]. 6L:W ratio = Length of
tuber/Width of
tuber.
7 Dakota Trailblazer
tested as AOND95249-1Russ.
8Two values within the
same column are significantly different if the difference is equal-to or
greater- than
the LSD value.
Table 3. Relationship
between Tuber size, Specific gravity and Length:width
ratio for twelve
potato varieties grown at
the Oakes irrigated research site in 20091.
Specific Gravity2
Length:Width Ratio3
Entry
4-6 oz 6-8 oz 8-10
oz > 10 oz 4-6 oz 6-8 oz 8-10 oz
> 10 oz
Alpine
1.082 1.091 1.085
1.088 1.6 1.7 1.7 1.9
Bannock
1.087 1.087 1.090
1.084 1.6 1.7 1.7 1.7
Burbank
1.083 1.092 1.089
1.082 1.8 2.0 2.0 2.1
Dakota
Trailblazer4 1.095 1.091 1.099
1.098 1.5 1.8 1.7 1.9
Gemstar
1.086 1.084 1.083
1.082 1.6 1.7 1.9 1.9
MN02419
1.086 1.090 1.089
1.088 1.6 2.1 1.8 2.0
MN15620
1.082 1.087 1.092
1.088 1.6 1.6 1.7 1.8
MN18747
1.069 1.069 1.073
1.071 1.6 1.5 1.6 1.8
Premier
1.083 1.089 1.093
1.076 1.6 1.8 1.8 2.0
Prospect 1.087 1.079 1.079 1.081 1.5
1.6 1.6 1.7
Ranger
1.096 1.092 1.090
1.091 2.1 2.0 2.1 2.3
Umatilla
1.085 1.088 1.087
1.086 1.9 1.9 1.9 2.0
1Potatoes
were planted on 8 May and harvested on 8 September, 2009. Evaluations made by
NDSU
Extension Potato Program at the USDA Potato
Worksite in East Grand Forks, MN immediately following
harvest.
2Specific
gravity = [Weight in air/(Weight in air - Weight in water)] of ten 4-6, 6-8,
8-10, and over
10 oz tubers, respectively.
3L:W
ratio = Length/Width of ten 4-6, 6-8, 8-10, and over 10 oz tubers,
respectively.
4Dakota
Trailblazer tested as AOND95249-1Russ.
Table 4. Total usable,
Undersize, Internal defects, and External defects of twelve potato
varieties grown at the Oakes
irrigated research site in 20091.
Total
Usable2 Undersize3 Internal Defects (%) External Defects (%)
Entry Percent Percent Brown Center Hollow heart Other Soft Rot Sunburn
Alpine
92 5 0 0 1
0 2
Bannock
78 5 0 15
1 3 1
Burbank
81 3 0 10
3 1 1
Dakota
Trailblazer4 93 1 0.7
2 1
1 1
Gemstar
56 2 0 38
2 1 1
MN02419
84 7 0 6 2
1 2
MN15620
85 12 0 0 1
0 2
MN18747
92 4 0 0 2
1 1
Premier
36 1 0 57
6 2 0
Prospect
93 4 0 0 0
0 2
Ranger
91 4 0.7
0 2
1 1
Umatilla
86 9 0 1 1
1 2
1Potatoes
were planted on 8 May and harvested on 8 September, 2009. Evaluations made by
Ag World
Support Systems at J.R. Simplot in Grand
Forks, ND immediately following harvest.
2Total
Usable = {Total yield – (undersize + internal defects + external defects)}
3Undersize
= Tubers less than 3 ounces.
4Dakota
Trailblazer tested as AOND95249-1Russ.
Table 5. Specific gravity,
Percent solids, USDA fry color, High sugar, and Sugar end analysis of
twelve potato varieties
grown at the Oakes irrigated research site in 20091.
Specific Solids USDA
Fry Color3 (%) High
Sugar4 Sugar End5
Entry
Gravity2 (%) 0 1
2 3 4 (%) (%)
Alpine
1.084 21.7 93 5 1 1
0 1
0
Bannock 1.087 22.4 97 3 0 0
0 0
0
Burbank
1.083 21.5 83 1 16
0 0
0 0
Dakota
Trailblazer 1.101 25.8 100
0 0 0
0 0
0
Gemstar
1.083 21.5 100
0 0 0
0 0
0
MN02419
1.086 22.1 98 2 0 0
0 0
0
MN15620
1.084 21.7 98 2 0 0
0 0
0
MN18747
1.068 18.3 100
0 0 0
0 0
0
Premier
1.085 22.0 96 0 0 4
0 4
0
Prospect
1.080 20.9 97 1 1 0
1 1
3
Ranger
1.091 23.2 98 2 0 0
0 0
0
Umatilla 1.083 21.5 75 25
0 0
0 0
2
1Potatoes
were planted on 8 May and harvested on 8 September, 2009. Evaluations made by
Ag World Support Systems at J.R. Simplot in
Grand Forks, ND immediately following harvest.
2 Specific
gravity = [Weight in air/(Weight in air - Weight in water)].
3Center-cut
french fries from forty tubers were fried at 375°F
for 3.5 minutes and then evaluated
based on the USDA french-fry color chart (0 =
light, 4 = dark).
4High
Sugar = Percentage of french fries with a color
rating above 3.
5Sugar
end = Percentage of french fries
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