NCSU Cucumber Breeding Report - 2006
Todd C. Wehner
Professor
Tammy L. Ellington
Agric. Res. Tech. III
Department of Horticultural Science
North Carolina State University
Raleigh, NC 27695-7609
Spring (Stage 3) Slicing Cucumber Trial
2006
Todd C. Wehner and Tammy L. Ellington
Experiment Design
1. A randomized complete block with 3 replications of slicer cultivars
and breeding lines (collectively referred to as cultigens) was grown.
2. Plots were single 20 ft. rows with 5 ft. alleys at each end.
3. Rows were on raised 18" beds spaced 60" apart (center to center).
4. Fertilizer consisted of 80-80-80 lb/A (N-P-K) broadcast preplant
and 30-0-0 lb/A (N-P-K) sideplaced at the 2 to 4 leaf stage.
5. Curbit was applied preemergence at the rate of 1 lb. a.i./A.
6. The trial was planted 26 April, and harvested 6 times
(Mondays and Thursdays) between 19 June and 6 July.
Data Collection
1. Fruits were weighed after sorting into No.1, No.2 and cull
(nubs and crooks) grades according to U.S.D.A. standards.
2. Fruit length, diameter and weight were recorded for 3 fruit per plot.
3. Quality ratings were from 1 to 9, with 1 = worst, 9 = best.
4. Disease ratings were from 0 to 9, with 0 = no disease, 1-2 = trace,
3-4 = slight, 5-6 = moderate, 7-8 = severe, 9 = plant dead.
Results
The following cultigens performed well, and could be advanced
to the next stage:
01 NC-Stratford NCStateUniv
02 Dasher II Seminis
03 Talladega Seminis
04 Thunder Seminis
05 Speedway Seminis
06 G83xNC-62 NCStateUniv
07 G83xNC-63 NCStateUniv
08 PX147-10896 Seminis
Table 26. Stage 3 spring slicer trial - yield data (cultigens ranked by
cwt/A of Fancy + No. 1 grade fruit).
_________________________________________________________________________________
Yield(cwt/A) Percent Plants
Cultivar Seed Fancy Market- fancy Percent per A
Rank or line source +No.1 able +No.1 culls (x1000)
_________________________________________________________________________________
1 Dasher II Seminis 136 259 41 21 26
2 NC-Stratford NCStateUniv 127 233 41 24 26
3 G83xNC-62 NCStateUniv 116 193 47 19 20
4 General Lee HarrisMoran 113 208 45 16 26
5 Speedway Seminis 111 195 48 16 24
6 Talladega Seminis 107 224 36 23 25
7 Panther Nunhems 106 208 37 25 26
8 Stonewall HarrisMoran 103 181 40 26 26
9 Impact WesternSeed 98 179 42 24 26
10 Thunder Seminis 91 191 37 22 26
11 PX147-10896 Seminis 91 205 37 17 26
12 G83xNC-59 NCStateUniv 91 202 33 24 26
13 G83xNC-63 NCStateUniv 83 211 33 17 12
14 Intimidator Seminis 83 164 42 17 25
15 Poinsett 76 CornellUniv 82 206 33 14 26
16 Cherokee 87 Check 78 185 32 23 25
17 NC-Sunshine NCStateUniv 72 133 36 33 25
18 Ashley Check 68 118 48 13 15
19 WS-3047 WesternSeed 63 134 31 34 26
20 PX147-10885 Seminis 63 158 28 30 26
21 HMX-4453 HarrisMoran 59 132 32 25 26
22 Marketmore 76 Check 56 112 43 13 26
23 NUN-2004 Nunhems 56 146 25 35 26
24 G83xNC-58 NCStateUniv 51 174 20 31 26
_________________________________________________________________________________
CV (%) 41 27 22 30 5
Mean 88 181 37 23 24
LSD (5%) 59 80 13 11 2
_________________________________________________________________________________
Correlation (Marketable yield with % culls) = -0.22ns
Table 27. Stage 3 spring slicer trial - earliness data (cultigens ranked
by weight of Fancy + No.1 grade fruit in harvests 1 and 2).
_________________________________________________________________________________
Cumulative fruit weight and % of
total weight (6 harvests) for harvest:
Cultivar Seed 1 1-2 1-3 1-4 1-5
Rank or line source Wt. % Wt. % Wt. % Wt. % Wt. %
_________________________________________________________________________________
1 NC-Stratford NCStateUniv 26 13 79 34 123 52 145 63 181 78
2 Thunder Seminis 18 9 62 33 113 60 150 79 165 87
3 Talladega Seminis 17 7 60 27 136 61 151 67 188 83
4 PX147-10896 Seminis 18 9 57 29 126 61 159 78 175 86
5 Dasher II Seminis 16 6 57 22 133 52 159 62 203 78
6 Intimidator Seminis 21 12 46 28 84 49 113 73 143 90
7 NC-Sunshine NCStateUniv 14 10 43 32 85 63 103 79 119 90
8 NUN-2004 Nunhems 10 6 42 28 73 51 100 69 130 90
9 G83xNC-63 NCStateUniv 7 3 42 19 87 41 112 53 167 79
10 Speedway Seminis 18 9 38 19 97 50 125 65 163 85
11 G83xNC-62 NCStateUniv 2 1 32 15 74 37 110 57 154 79
12 Cherokee 87 Check 15 8 30 16 93 50 132 70 160 85
13 G83xNC-58 NCStateUniv 5 3 29 16 80 46 112 64 137 79
14 G83xNC-59 NCStateUniv 2 1 27 10 76 33 113 54 151 73
15 PX147-10885 Seminis 3 2 20 12 67 41 87 53 114 70
16 Impact WesternSeed 4 2 18 10 76 41 128 77 151 89
17 General Lee HarrisMoran 8 4 18 10 84 40 124 60 154 76
18 Panther Nunhems 6 2 17 6 85 39 121 57 156 75
19 Stonewall HarrisMoran 5 2 16 8 85 43 111 59 144 77
20 HMX-4453 HarrisMoran 2 1 9 7 50 37 91 68 107 81
21 WS-3047 WesternSeed 2 1 6 5 49 36 79 61 106 80
22 Poinsett 76 CornellUniv 0 0 3 1 31 14 81 41 130 64
23 Ashley Check 0 0 1 1 27 21 50 42 82 68
24 Marketmore 76 Check 0 0 1 0 14 11 39 39 53 54
_________________________________________________________________________________
CV (%) 80 79 56 43 34 20 29 17 29 12
Mean 9 5 31 16 81 43 112 62 143 79
LSD (5%) 12 6 29 12 46 14 53 18 68 16
_________________________________________________________________________________
Correlation (Marketable yield with yield in harvests 1-2) = 0.59**
Correlation (Marketable yield with % of yield in harvests 1-2) = 0.29*
Table 28. Stage 3 spring slicer trial - fruit quality data (cultigens ranked
by average quality).z
_________________________________________________________________________________
Cultivar Seed Average Seed- Overall
Rank or line source quality Shape Color cell impression
_________________________________________________________________________________
1 Speedway Seminis 7.3 7 8 8 7
2 Impact WesternSeed 7.3 7 9 8 7
3 Marketmore 76 Check 7.3 7 8 8 7
4 G83xNC-59 NCStateUniv 7.2 8 8 6 8
5 General Lee HarrisMoran 7.2 7 7 7 7
6 Stonewall HarrisMoran 7.1 7 8 7 7
7 G83xNC-62 NCStateUniv 6.9 7 8 8 6
8 Talladega Seminis 6.8 7 9 6 7
9 Dasher II Seminis 6.8 7 8 7 7
10 G83xNC-63 NCStateUniv 6.8 7 9 6 7
11 HMX-4453 HarrisMoran 6.7 7 8 6 7
12 WS-3047 WesternSeed 6.7 6 8 7 7
13 Thunder Seminis 6.6 7 8 6 6
14 Panther Nunhems 6.6 6 7 7 7
15 NC-Stratford NCStateUniv 6.4 6 8 6 7
16 Intimidator Seminis 6.4 7 7 7 6
17 G83xNC-58 NCStateUniv 6.3 6 8 7 6
18 PX147-10885 Seminis 6.2 7 8 6 6
19 PX147-10896 Seminis 6.1 6 8 7 5
20 Poinsett 76 CornellUniv 6.0 6 8 6 5
21 Ashley Check 6.0 6 7 7 6
22 NC-Sunshine NCStateUniv 5.8 5 9 7 5
23 Cherokee 87 Check 5.7 6 7 6 5
24 NUN-2004 Nunhems 5.6 5 7 5 6
_________________________________________________________________________________
CV (%) 10.8 15 7 13 16
Mean 6.6 7 8 7 6
LSD (5%) 1.2 2 1 1 2
_________________________________________________________________________________
z Quality rated 1 to 9 (1 = poor, 5 = average, 9 = excellent;
except color where 1 = white, 5 = medium green, 9 = very dark green).
Correlation (Marketable yield with average quality) = 0.19ns
Table 29. Stage 3 spring slicer trial - fruit dimensions and comments
(cultigens ranked by average quality rating).z
_________________________________________________________________________________
Cultivar Seed Length Diameter Wt. Defect1° Defect2°
Rank or line source (inch) (inch) (lb.) 2 4 6 2 4 6
_________________________________________________________________________________
1 Speedway Seminis 9.0 1.9 0.65 K K K H T H
2 Impact WesternSeed 8.1 2.0 0.70 K H K T T D
3 Marketmore 76 Check 7.5 1.7 0.66 L G K T T H
4 G83xNC-59 NCStateUniv 7.6 2.0 0.65 K K H H T K
5 General Lee HarrisMoran 8.2 1.9 0.65 H K K K T T
6 Stonewall HarrisMoran 8.1 1.9 0.66 G K K K T H
7 G83xNC-62 NCStateUniv 8.2 2.0 0.73 K K K T T T
8 Talladega Seminis 8.1 1.9 0.69 D K K H G D
9 Dasher II Seminis 7.9 1.9 0.66 K H K T T T
10 G83xNC-63 NCStateUniv 8.2 2.0 0.67 H K K K T T
11 HMX-4453 HarrisMoran 7.3 2.0 0.63 H K K K T H
12 WS-3047 WesternSeed 8.0 1.9 0.65 C K D G G K
13 Thunder Seminis 7.9 2.0 0.68 K T K T H T
14 Panther Nunhems 7.4 1.9 0.59 K K K H T T
15 NC-Stratford NCStateUniv 7.5 2.0 0.61 K T H H H D
16 Intimidator Seminis 7.5 1.9 0.63 K D K H T T
17 G83xNC-58 NCStateUniv 8.1 1.8 0.63 H T K K H T
18 PX147-10885 Seminis 7.7 1.9 0.64 D K C H D T
19 PX147-10896 Seminis 7.4 1.9 0.60 T D H H H D
20 Poinsett 76 CornellUniv 7.1 1.9 0.59 H H K T T H
21 Ashley Check 7.4 1.7 0.54 H G M T T T
22 NC-Sunshine NCStateUniv 7.7 1.9 0.57 D D H K H D
23 Cherokee 87 Check 7.7 2.0 0.63 M M M H T T
24 NUN-2004 Nunhems 7.1 1.9 0.55 D D K H H H
_________________________________________________________________________________
CV (%) 5.6 5.8 11.25
Mean 7.8 1.9 0.64
LSD (5%) 0.7 0.2 0.12
_________________________________________________________________________________
z Defects were rated as follows (giving primary and secondary for each harvest):
A - wArty fruit J – RiDGed S - Separated carpels
B - Blossom end defects K - Keep(excellent) T - Tapered ends
C - Crooks excessive L - Late maturity U - Uniform green
D - Dogbone shape M - Mottled fruit V - Varicolor (dark stem
E - Early maturity N - Nubs excessive end, light blossom end)
F - Four celled O - Offtype fruit W - White fruit
G - lonG fruit P - Placental hollows X - neCKS on fruit
H - sHort fruit Q - Y - Yellow fruit
I - strIped fruit R - Reject (poor) Z - diSeased fruit
Table 30. Stage 3 spring slicer trial - fruit keeping ability data (cultigens
are ranked by % weight loss).
_________________________________________________________________________________
Weight Rating (0 - 9)y Firm-
Cultivar Seed loss Shriv- Rots & ness
Rank or line source (%)z eling disease (lb.)x
_________________________________________________________________________________
1 Speedway Seminis 12 4 2 18
2 Impact WesternSeed 14 3 1 17
3 Marketmore 76 Check 14 4 1 14
4 G83xNC-59 NCStateUniv 13 3 1 16
5 General Lee HarrisMoran 11 3 2 16
6 Stonewall HarrisMoran 12 3 1 16
7 G83xNC-62 NCStateUniv 18 4 4 14
8 Talladega Seminis 14 2 1 18
9 Dasher II Seminis 12 3 1 18
10 G83xNC-63 NCStateUniv 13 3 2 14
11 HMX-4453 HarrisMoran 21 2 3 17
12 WS-3047 WesternSeed 12 2 1 17
13 Thunder Seminis 12 4 2 19
14 Panther Nunhems 11 3 1 17
15 NC-Stratford NCStateUniv 18 4 1 15
16 Intimidator Seminis 15 3 1 19
17 G83xNC-58 NCStateUniv 12 3 1 15
18 PX147-10885 Seminis 13 4 2 15
19 PX147-10896 Seminis 13 4 2 14
20 Poinsett 76 CornellUniv 13 4 3 16
21 Ashley Check 13 3 1 18
22 NC-Sunshine NCStateUniv 14 4 1 14
23 Cherokee 87 Check 14 3 1 18
24 NUN-2004 Nunhems 20 5 2 13
_________________________________________________________________________________
CV (%) 26 34 82 8
Mean 14 3 2 16
LSD (5%) 6 2 2 2
_________________________________________________________________________________
z After storage at room temperature for 8 days in open kraft paper bags.
y Shriveling & disease rated 0-9 (0=none, 1-3=slight, 4-6=moderate, 7-9=advanced).
x Firmness after storage using Magness-Taylor fruit punch tester.
Correlation (Weight loss with shriveling) = 0.24*
Correlation (Weight loss with firmness) = -0.11ns
Table 31. Stage 3 spring slicer trial - sex expression and vine data (cultigens
ranked by gynoecious rating).
_________________________________________________________________________________
Early Earli-
Cultivar Seed Gyn. yield ness Vine Vine
Rank or line source ratingz (cwt/A) (%)x sizew colorw
_________________________________________________________________________________
1 Thunder Seminis 9 62 33 7 7
2 PX147-10896 Seminis 9 57 29 6 8
3 Impact WesternSeed 9 18 10 6 7
4 Intimidator Seminis 9 46 28 7 7
5 Speedway Seminis 9 38 19 5 6
6 Talladega Seminis 8 60 27 8 6
7 Stonewall HarrisMoran 8 16 8 7 6
8 WS-3047 WesternSeed 8 6 5 6 6
9 Dasher II Seminis 8 57 22 7 7
10 General Lee HarrisMoran 8 18 10 7 7
11 Panther Nunhems 8 17 6 6 6
12 PX147-10885 Seminis 7 20 12 6 8
13 NUN-2004 Nunhems 7 42 28 6 7
14 NC-Stratford NCStateUniv 7 79 34 5 5
15 G83xNC-63 NCStateUniv 6 42 19 6 6
16 Cherokee 87 Check 6 30 16 6 6
17 NC-Sunshine NCStateUniv 6 43 32 4 5
18 G83xNC-62 NCStateUniv 5 32 15 6 6
19 G83xNC-58 NCStateUniv 5 29 16 6 6
20 G83xNC-59 NCStateUniv 5 27 10 6 6
21 HMX-4453 HarrisMoran 4 9 7 6 6
22 Marketmore 76 Check 4 1 0 6 7
23 Ashley Check 4 1 1 5 5
24 Poinsett 76 CornellUniv 4 3 1 5 7
_________________________________________________________________________________
CV (%) 18 56 43 17 17
Mean 7 31 16 6 6
LSD (5%) 2 29 12 2 2
_________________________________________________________________________________
z Gynoecious rating (1 = androecious, 2-3 = andromonoecious, 4-6 = monoecious,
7-8 = predominately gynoecious, 9 = gynoecious).
y Early yield is weight of Fancy+No.1 grade fruit produced in harvests 1 and 2.
x Earliness is the percent of the yield (Fancy + No.1 grade fruit)
of 6 harvests that was produced in harvests 1 and 2.
w Vine size & color are rated 1 (small or yellow green) to 9 (large or dark green)
Correlation (Marketable yield with gynoecious rating) = 0.25*
Table 32. Stage 3 spring slicer trial - disease ratings (cultigens ranked
by average disease resistance).z
_________________________________________________________________________________
Cultivar Seed Downy
Rank or line source mildew
_________________________________________________________________________________
1 HMX-4453 HarrisMoran 4.7
2 Thunder Seminis 5.0
3 NC-Stratford NCStateUniv 5.0
4 Poinsett 76 CornellUniv 5.0
5 Stonewall HarrisMoran 5.3
6 G83xNC-58 NCStateUniv 5.3
7 Impact WesternSeed 5.7
8 Talladega Seminis 5.7
9 G83xNC-63 NCStateUniv 5.7
10 Intimidator Seminis 6.0
11 Dasher II Seminis 6.0
12 PX147-10885 Seminis 6.0
13 G83xNC-62 NCStateUniv 6.0
14 G83xNC-59 NCStateUniv 6.0
15 Ashley Check 6.0
16 PX147-10896 Seminis 6.7
17 Speedway Seminis 6.7
18 Panther Nunhems 6.7
19 Cherokee 87 Check 6.7
20 NC-Sunshine NCStateUniv 6.7
21 WS-3047 WesternSeed 7.0
22 General Lee HarrisMoran 7.0
23 Marketmore 76 Check 7.3
24 NUN-2004 Nunhems 8.0
25 CV (%) 16.0
26 Mean 6.1
27 LSD (5%) 1.6
_________________________________________________________________________________
CV (%) 16.0
Mean 6.1
LSD (5%) 1.6
_________________________________________________________________________________
z Disease rated 0 to 9 (0=none, 1-2=trace, 3-4=slight, 5-6=moderate, 7-8=advanced,
9=plant dead).
Correlation (Marketable yield with disease rating) = 0.09ns
Table 33. Stage 3 spring slicer trial - selection indexes (cultigens ranked
by SWI1).z
_________________________________________________________________________________
Simple weighted Average rank
Cultivar Seed indexes indexes
Rank or line source SWI1 SWI2 ARI1 ARI2
_________________________________________________________________________________
1 NC-Stratford NCStateUniv 6.2 5.6 9.0 7.6
2 Dasher II Seminis 5.9 5.4 9.1 8.6
3 Talladega Seminis 5.7 5.2 9.8 9.1
4 Thunder Seminis 5.5 5.1 10.1 9.1
5 Speedway Seminis 5.2 4.9 9.8 11.0
6 G83xNC-62 NCStateUniv 5.2 4.8 10.0 10.3
7 G83xNC-63 NCStateUniv 5.1 4.7 10.5 10.0
8 PX147-10896 Seminis 5.1 4.6 13.3 12.4
9 G83xNC-59 NCStateUniv 4.9 4.6 10.6 11.2
10 Impact WesternSeed 4.9 4.6 9.7 10.5
11 Stonewall HarrisMoran 4.9 4.6 10.5 11.3
12 General Lee HarrisMoran 4.9 4.5 11.0 12.2
13 Intimidator Seminis 4.8 4.5 12.4 11.6
14 Panther Nunhems 4.6 4.3 13.3 13.8
15 NC-Sunshine NCStateUniv 4.3 4.1 15.1 14.5
16 Poinsett 76 CornellUniv 4.3 4.0 15.1 14.6
17 G83xNC-58 NCStateUniv 4.3 4.0 13.7 12.5
18 Cherokee 87 Check 4.3 4.0 16.1 15.3
19 HMX-4453 HarrisMoran 4.2 3.9 12.6 12.9
20 PX147-10885 Seminis 4.1 3.9 15.0 14.9
21 NUN-2004 Nunhems 3.8 3.7 18.0 17.1
22 WS-3047 WesternSeed 3.8 3.6 14.8 16.1
23 Marketmore 76 Check 3.7 3.5 14.4 16.7
24 Ashley Check 3.7 3.4 16.0 16.7
_________________________________________________________________________________
CV (%) 16.7 15.2 24.7 23.3
Mean 4.7 4.4 12.5 12.5
LSD (5%) 1.3 1.1 5.1 4.8
_________________________________________________________________________________
z SWI is simple weighted index calculated from the performance of a cultigen for
yield; earliness; fruit shape, seedcell size and overall impression; and disease
resistance. The index is calculated with 2 different methods of weighting each
trait (10 is best, 1 is worst).
ARI is the average ranking of each cultigen for yield, earliness, fruit quality
and disease resistance. The index is calculated with 2 different sets of
secondary traits added in with the primary traits (1 is best).
Correlation (Marketable yield with SWI1) = 0.85**
Correlation (Marketable yield with ARI1) = -0.53**