|  |
Chapter 6. Statewide Red-Skinned Potato Variety Trials, 20061
C.M. Hutchinson and Doug Gergela2
General Comments: A goal of the statewide potato variety trial is to identify advanced potato selections for Florida production. Established varieties were included to provide a baseline for comparison.
Planting Information
Florida Statewide Red Potato Trial (Tables 15 and 16).
PSREU - Hastings Farm (PSREU), One Site in Bunnell and One Site in Hastings
Planting Dates
PSREU (2/1/06), Bunnell (1/25/06), Hastings (1/26/06)
Harvest Dates
PSREU (5/18/06), Bunnell (5/9/06), Hastings (5/8/06)
Season Length
PSREU (86), Bunnell (104), Hastings (102)
Fertilizer Program
Grower standard practices for all sites except PSREU, which is similar to the Red Variety Trial (Chapter 4).
Irrigation Program
Seepage at all sites.
Experimental Design
Number of Sites
3
Number of Selections
8
Within Row Spacing
8 in (20.3 cm)
Between Row Spacing
38-42 in (96.5-106.6 cm)
Replications
4 at each site
Plot Size
16 ft (4.9 m) single row
Production Statistics- Based over all sites
Highest Total Yield
Red LaSoda (422 cwt/acre or 47.3 MT/ha)
Highest Marketable Yield
Red LaSoda 13 (374 cwt/acre or 41.9 MT/ha)
Tables
Table 2. Production statistics for Statewide Red-Skinned potato selections grown at various sites in Florida.
Total
Marketable
Size
Size Class
Yield
Yield1
Distribution by Class (%)2
Range (%)
Specific
Clone
(cwt/A)
(cwt/A)
C
B
A1
A2
A3
A4
A1 to A3
A2 to A3
Gravity
Red LaSoda
PSREU-Hastings
422
370
0
5
69
24
1
0
94
25
1.061
Hastings
351
314
1
9
73
17
0
0
90
17
1.067
Bunnell
336
296
1
10
71
16
2
0
89
18
1.064
Red LaSoda 10
PSREU-Hastings
388
354
1
6
74
19
1
0
94
20
1.062
Hastings
318
275
2
11
77
9
2
0
87
10
1.065
Bunnell
343
306
1
9
75
13
1
0
90
15
1.062
Red LaSoda 13
PSREU-Hastings
419
374
1
5
64
30
0
0
94
30
1.060
Hastings
345
303
1
9
72
18
0
0
90
18
1.067
Bunnell
368
336
1
8
69
19
3
0
92
22
1.063
Cherry Red
PSREU-Hastings
346
297
1
10
83
6
0
0
89
6
1.073
Hastings
279
230
2
13
83
2
0
0
85
2
1.073
Bunnell
277
213
1
21
77
1
0
0
78
1
1.068
LaRouge
SREU-Hastings
399
352
1
7
81
11
0
0
93
11
1.063
Hastings
287
249
2
11
77
10
0
0
87
10
1.068
Bunnell
287
239
1
13
77
9
0
0
86
9
1.064
Red Pontiac
PSREU-Hastings
374
322
1
7
73
16
3
0
92
18
1.062
Hastings
355
322
1
7
61
28
3
0
92
31
1.062
Bunnell
330
288
1
11
77
10
1
0
88
11
1.060
NY129
PSREU-Hastings
299
234
1
13
83
3
0
0
86
3
1.061
Hastings
287
236
2
15
77
5
0
0
83
5
1.062
Bunnell
321
252
1
20
77
1
0
0
78
1
1.062
NY136
PSREU-Hastings
341
256
2
21
72
4
1
0
77
5
1.065
Hastings
309
246
2
19
71
6
2
0
79
9
1.071
Bunnell
360
285
1
20
75
4
1
0
79
4
1.067
1Marketable Yield: size classes A1 to A3. 2Size classes: C = .5 to 1.5" , B = 1.5 to 1 7/8", A1 = 1 7/8 to 2.5", A2 = 2.5 to 3.25", A3 = 3.25 to 4", A4 = >4"
Table 3. External and internal defects of Statewide Red-Skinned potato selections grown at various sites in Florida.
% External Tuber Defects
% Internal Defects2
Growth
Mis-
Sun-
Rotten
Total
Brown Center
Clone
Cracks
shapen
burned
& misc.
Culls1
HH
BR
CRS
IHN
L
M
H
Red LaSoda
PSREU-Hastings
0
0
1
7
7
0
0
0
0
1
0
0
Hastings
1
0
0
0
1
0
0
0
0
0
0
0
Bunnell
0
0
0
1
1
0
0
0
0
3
0
0
Red LaSoda 10
PSREU-Hastings
0
0
1
1
3
0
0
0
0
1
0
0
Hastings
0
0
0
0
1
0
0
0
0
0
0
0
Bunnell
0
0
0
0
1
0
0
0
0
0
0
0
Red LaSoda 13
PSREU-Hastings
0
1
2
2
6
0
0
0
0
6
0
0
Hastings
1
0
1
1
2
0
0
0
0
5
0
0
Bunnell
0
0
0
0
1
0
0
0
0
4
0
0
Cherry Red
PSREU-Hastings
0
0
1
3
4
0
0
0
0
0
0
0
Hastings
1
1
0
0
3
0
0
0
0
0
0
0
Bunnell
0
2
0
0
2
0
0
0
0
0
0
0
LaRouge
PSREU-Hastings
0
0
2
3
5
1
0
0
0
6
3
0
Hastings
0
0
0
0
1
0
0
0
0
0
0
0
Bunnell
1
0
0
1
2
0
0
0
0
1
1
0
Red Pontiac
PSREU-Hastings
0
0
1
4
6
0
0
0
0
0
0
0
Hastings
0
0
1
1
2
0
0
0
0
0
0
0
Bunnell
0
0
0
1
1
0
0
0
0
0
0
0
NY129
PSREU-Hastings
0
0
1
7
8
0
0
0
0
0
0
0
Hastings
0
0
0
0
0
0
0
0
0
0
0
0
Bunnell
0
0
0
0
0
0
0
0
0
0
0
0
NY136
PSREU-Hastings
0
0
1
1
2
0
0
0
0
0
0
0
Hastings
0
0
0
0
1
0
0
0
0
0
0
0
Bunnell
0
0
0
0
0
0
0
0
0
0
0
0
1Percent of Total Yield. Total culls include the sum of growth cracks, misshapen, sunburned and rotten/misc. 2Percent tubers; HH, hollow heart; BR, brown rot; CRS, corky ring spot; IHN, internal heat necrosis.
Brown Center: L = Light, M = Moderate, H = Heavy
Footnotes
1. This document is xxxxx, one of a series of the Horticultural Sciences Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Original publication date: March 2007. Please visit the EDIS Web site at http://edis.ifas.ufl.edu.2. Chad M. Hutchinson, Associate professor, Doug Gergela, Sr. Bilogical Scientist, Horticultural Sciences Department, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, 32611.
The use of trade names in this publication is solely for the purpose of providing specific information. UF/IFAS does not guarantee or warranty the products named, and references to them in this publication does not signify our approval to the exclusion of other products of suitable composition. All chemicals should be used in accordance with directions on the manufacturer's label. Use pesticides safely. Read and follow directions on the manufacturer's label.
The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. For more information on obtaining other extension publications, contact your county Cooperative Extension service.
U.S. Department of Agriculture, Cooperative Extension Service, University of Florida, IFAS, Florida A. & M. University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Larry Arrington, Dean.
Copyright Information
This document is copyrighted by the University of Florida, Institute of Food and Agricultural Sciences (UF/IFAS) for the people of the State of Florida. UF/IFAS retains all rights under all conventions, but permits free reproduction by all agents and offices of the Cooperative Extension Service and the people of the State of Florida. Permission is granted to others to use these materials in part or in full for educational purposes, provided that full credit is given to the UF/IFAS, citing the publication, its source, and date of publication.