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USPB/Snackfood Association Potato
Variety Trail, 2008
By: Chad Hutchinson, Associate Professor and Allison Beyer, Senior Statistician, Horticultural Sciences Department
General Comments |
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A goal of the Snack Food Association trial is to identify a short-season processing potato variety with better production and quality characteristics than Atlantic, the current standard. Potatoes were chipped and rated by biologists at the trial site. |
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Planting Information |
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Planting Site |
PSREU - Hastings Farm, Hastings, FL |
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Planting Date |
February 4, 2008 |
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Harvest Date |
May 15, 2008 |
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Season Length |
101 days |
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Fertilizer Program |
preplant, 100-43-86 lb/A; sidedress, 100-0-86 lb/A; sidedress after rain event, 30-0-26 lb/A |
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Irrigation Program |
seepage |
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Experimental Design |
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Number of Varieties |
3 (Standard: Atlantic) |
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Number of Clones |
13 |
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Within Row Spacing |
Approx. 8 in (20.3 cm) |
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Between Row Spacing |
40 in (102 cm) |
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Replications |
1 |
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Plot Size |
Single 250 ft row (76.2 m) planted for each variety. Four, 20 ft (6.1 m) plots harvested from each row to determine production and quality statistics. |
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Production Statistics |
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Early Vigor Ratings |
42 days after planting. |
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Highest Total Yield |
Snowden (454 cwt/acre or 45.1 MT/ha) |
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Highest Marketable Yield |
Snowden (333 cwt/acre or 37.3 MT/ha) |
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Highest Specific Gravity |
W2717-5 (1.101) |
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Table 1. Plant Growth Characteristics
Rating |
Early Vigor |
Vine Type |
Vine Maturity |
1 |
no emergence |
decumbent – poor |
dead |
2 |
leaves in rosette |
decumbent – fair |
+- |
3 |
plants < 2 in |
decumbent – good |
yellow and dying |
4 |
plants 2 to 4 in |
spreading – poor |
+- |
5 |
plants 4 to 6 in |
spreading – fair |
moderately senesced |
6 |
plants 6 to 8 in |
spreading – good |
+- |
7 |
plants 8 to 10 in |
upright – poor |
starting to senesce |
8 |
plants 10 to 12 in |
upright – fair |
+- |
9 |
plants > 12 in |
upright – good |
green and vigorous |
Adapted from Sisson and Porter, 2002. |
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Table 2. Internal and External Potato Tuber Characteristics
Rating |
Internal |
Skin |
Skin |
Tuber |
Eye |
Overall |
1 |
White |
Purple |
Partial Russet |
Round |
Very Deep |
Very Poor |
2 |
Cream |
Red |
Heavy Russet |
Mostly Round |
+- |
+- |
3 |
Light Yellow |
Pink |
Mod. Russet |
Round to Oblong |
Deep |
Poor |
4 |
Medium Yellow |
Dark Brown |
Light Russet |
Mostly Oblong |
+- |
+- |
5 |
Dark Yellow |
Brown |
Netted |
Oblong |
Intermediate |
Fair |
6 |
Pink |
Tan |
Slightly Netted |
Oblong to Long |
+- |
+- |
7 |
Red |
Buff |
Mod. Smooth |
Mostly Long |
Shallow |
Good |
8 |
Blue |
White |
Smooth |
Long |
+- |
+- |
9 |
Purple |
Cream |
Very Smooth |
Cylindrical |
Very Shallow |
Excellent |
| Adapted from Sisson and Porter, 2002. | ||||||
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Table 3. Production statistics for the 2008 USPB/SFA Chipping Potato Variety Trial potato selections in Hastings, FL.
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Table 4. Plant growth and tuber characteristics of the 2008 USPB/SFA Chipping Potato Variety Trial potato selections in Hastings, FL.
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Table 5. External and internal defects of 2008 USPB/SFA Chipping Potato Variety Trial potato selections in Hastings, FL.



