NCSU Cucumber Breeding Report - 2003
Todd C. Wehner
Professor
Tammy L. Ellington
Agric. Res. Tech. III
Department of Horticultural Science
North Carolina State University
Raleigh, NC 27695-7609
Summer (Stage 4) Slicing Cucumber Trial
2003
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 17 July, and harvested 5 times
(Mondays and Thursdays) between 28 August and 15 September.
Data Collection
1. Fruit 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 G83xNC-58 NCState Univ
02 NC-Stratford (NC-58x59) NCState Univ
03 SVR14710463 Seminis
04 SRQS-2926 SunSeeds
05 G83xNC-59 NCState Univ
06 SVR14710461 Seminis
07 G83xNC-63 NCState Univ
08 General Lee Harris Moran
09 G57xNC-59 NCState Univ
10 G57xNC-63 NCState Univ
Table 31. Stage 4 summer 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 SRQS-2926 SunSeeds 78 160 31 30 26
2 G83xNC-58 02GH126x127 77 174 29 34 26
3 NC-Stratford 02GH1644x1645 70 140 31 38 26
4 Marketmore76 Check 66 128 25 49 26
5 G83xNC-59 02GH1652x1654 65 157 22 46 26
6 G83xNC-63 02GH1653x1655 58 143 26 35 26
7 G57xNC-62 02GH125x131 54 119 21 50 26
8 General Lee Harris Moran 53 146 27 18 26
9 SRQS-2732 SunSeeds 47 138 30 14 26
10 G83xNC-62 02GH126x131 47 85 22 28 26
11 SVR14710461 Seminis 47 128 26 30 25
12 G57xNC-59 02GH1648x1650 44 119 18 45 26
13 SVR14710463 Seminis 44 112 31 20 26
14 ACX-18 Abbott&Cobb 44 106 28 30 26
15 G57xNC-58 02GH125x127 39 98 18 49 26
16 NC-Sunshine 02GH1646x1647 39 85 54 19 26
17 Speedway Seminis 34 96 20 40 26
18 Intimidator Seminis 27 70 20 48 26
19 SVR14710464 Seminis 25 70 19 46 26
20 G57xNC-63 02GH125x132 24 63 26 33 26
21 Marketmore86 Check 24 85 17 28 26
22 WA-3003 WesternSeed 23 99 13 35 26
23 SRQS-3153 SunSeeds 22 83 15 45 26
24 Dasher II Seminis 22 64 13 25 26
25 Cherokee87 Check 19 103 10 47 26
26 Ashley Check 14 62 13 32 26
27 ACX-38 Abbott&Cobb 12 98 8 35 26
28 Poinsett76 CornellUniv 9 61 8 32 26
_________________________________________________________________________________
LSD (5%) 56 88 24 26 1
Mean 40 107 22 35 26
CV (%) 85 50 67 45 2
_________________________________________________________________________________
Correlation (Marketable yield with % culls) = -0.38**
Table 32. Stage 4 summer 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 G83xNC-58 02GH126x127 29 14 91 50 141 80 148 85 161 94
2 Marketmore76 Check 38 22 82 44 100 61 114 85 116 94
3 G83xNC-59 02GH1652x1654 7 3 80 55 120 85 132 89 144 94
4 G57xNC-59 02GH1648x1650 33 25 76 65 95 80 101 84 106 87
5 SRQS-2926 SunSeeds 1 0 69 47 97 62 122 75 134 84
6 NC-Stratford 02GH1644x1645 18 11 69 49 101 70 119 83 129 92
7 SVR14710461 Seminis 12 8 67 52 96 74 119 92 123 95
8 G83xNC-63 02GH1653x1655 9 7 65 45 105 74 111 78 121 85
9 SVR14710463 Seminis 6 5 61 54 77 68 94 84 100 89
10 G57xNC-62 02GH125x131 46 34 59 50 92 78 106 87 113 94
11 G83xNC-62 02GH126x131 10 8 56 44 71 56 74 58 82 64
12 General Lee Harris Moran 11 7 56 39 94 65 119 81 131 90
13 Speedway Seminis 16 15 55 54 77 78 84 87 86 89
14 NC-Sunshine 02GH1646x1647 11 8 50 39 69 88 81 97 84 99
15 G57xNC-58 02GH125x127 30 21 47 42 88 84 97 99 97 99
16 Cherokee87 Check 2 2 41 38 68 66 72 70 81 79
17 WA-3003 WesternSeed 13 12 41 44 64 67 81 81 90 92
18 SVR14710464 Seminis 2 4 31 42 44 60 58 84 64 93
19 ACX-38 Abbott&Cobb 2 2 30 29 63 66 76 78 81 83
20 SRQS-3153 SunSeeds 5 6 29 32 59 71 62 74 72 85
21 Intimidator Seminis 7 8 29 40 41 63 55 83 59 90
22 ACX-18 Abbott&Cobb 2 2 24 19 60 54 73 69 90 86
23 Dasher II Seminis 4 4 23 25 45 45 55 55 60 61
24 Ashley Check 0 0 10 13 32 46 53 85 59 94
25 Marketmore86 Check 0 0 9 8 36 47 51 68 67 84
26 SRQS-2732 SunSeeds 0 0 5 3 38 28 90 67 126 91
27 G57xNC-63 02GH125x132 0 0 3 3 41 63 55 87 60 95
28 Poinsett76 CornellUniv 0 0 1 1 13 21 31 49 37 58
_________________________________________________________________________________
LSD (5%) 25 13 52 27 68 28 76 27 82 28
Mean 11 8 45 37 72 64 87 79 96 87
CV (%) 134 96 71 46 57 27 54 20 52 20
_________________________________________________________________________________
Correlation (Marketable yield with yield in harvests 1-2) = 0.84**
Correlation (Marketable yield with % of yield in harvests 1-2) = 0.44**
Table 33. Stage 4 summer 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 SVR14710463 Seminis 7.6 7 8 9 7
2 ACX-18 Abbott&Cobb 7.1 7 7 8 6
3 General Lee Harris Moran 6.9 6 7 8 7
4 SRQS-2732 SunSeeds 6.9 7 8 7 7
5 SRQS-2926 SunSeeds 6.9 6 6 8 7
6 NC-Stratford 02GH1644x1645 6.8 6 8 7 7
7 G57xNC-63 02GH125x132 6.8 6 7 8 6
8 SVR14710464 Seminis 6.7 7 8 7 6
9 G83xNC-58 02GH126x127 6.6 7 8 7 6
10 Dasher II Seminis 6.6 6 6 8 6
11 Marketmore86 Check 6.4 6 7 7 6
12 NC-Sunshine 02GH1646x1647 6.4 6 8 7 6
13 G83xNC-59 02GH1652x1654 6.3 7 6 6 6
14 SRQS-3153 SunSeeds 6.3 6 7 8 5
15 WA-3003 WesternSeed 6.3 6 8 7 6
16 SVR14710461 Seminis 6.2 6 9 6 7
17 Speedway Seminis 6.2 6 7 8 5
18 G83xNC-63 02GH1653x1655 6.1 6 8 7 6
19 G83xNC-62 02GH126x131 6.1 6 7 7 6
20 Intimidator Seminis 6.1 5 7 7 6
21 Marketmore76 Check 6.0 6 7 7 5
22 G57xNC-62 02GH125x131 6.0 5 7 7 6
23 ACX-38 Abbott&Cobb 6.0 5 7 7 6
24 Ashley Check 5.8 5 6 7 5
25 G57xNC-59 02GH1648x1650 5.6 5 6 7 5
26 G57xNC-58 02GH125x127 5.4 5 6 7 5
27 Poinsett76 CornellUniv 5.4 5 7 6 5
28 Cherokee87 Check 5.2 5 6 7 4
_________________________________________________________________________________
LSD (5%) 1.2 2 2 1 2
Mean 6.3 6 7 7 6
CV (%) 11.3 20 15 10 17
_________________________________________________________________________________
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) = -0.01ns
Table 34. Stage 4 summer 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 SVR14710463 Seminis 7.9 2.0 0.83 H C K T T T
2 ACX-18 Abbott&Cobb 8.3 2.0 0.65 T D K G T T
3 General Lee Harris Moran 8.0 2.1 0.58 M K K H T H
4 SRQS-2732 SunSeeds 8.1 2.0 0.58 G K K T H I
5 SRQS-2926 SunSeeds 7.8 2.1 0.65 H K K D T T
6 NC-Stratford 02GH1644x1645 7.8 2.1 0.60 K K H H D N
7 G57xNC-63 02GH125x132 8.0 2.1 0.63 K K H T T K
8 SVR14710464 Seminis 7.7 2.1 0.50 K H D H K H
9 G83xNC-58 02GH126x127 8.0 2.0 0.57 H H K T K T
10 Dasher II Seminis 7.3 2.0 0.52 H N T T C D
11 Marketmore86 Check 7.3 2.0 0.53 H K K M T H
12 NC-Sunshine 02GH1646x1647 7.5 2.0 0.48 M K H H H D
13 G83xNC-59 02GH1652x1654 7.4 2.0 0.60 K M K M D H
14 SRQS-3153 SunSeeds 7.6 2.0 0.68 H H K T D T
15 WA-3003 WesternSeed 7.5 1.9 0.52 H K H T T D
16 SVR14710461 Seminis 7.7 2.0 0.70 K H K H K C
17 Speedway Seminis 7.1 1.9 0.65 T D H K N N
18 G83xNC-63 02GH1653x1655 8.1 2.0 0.87 K C K T D D
19 G83xNC-62 02GH126x131 7.9 2.0 0.57 T D K K T H
20 Intimidator Seminis 7.8 1.9 0.52 K K H T T T
21 Marketmore76 Check 7.8 2.0 0.53 T H H H T D
22 G57xNC-62 02GH125x131 7.6 2.1 0.53 M H H H T N
23 ACX-38 Abbott&Cobb 7.9 2.0 0.70 H K D M T I
24 Ashley Check 7.3 2.0 0.60 G M T T H M
25 G57xNC-59 02GH1648x1650 7.7 2.1 0.49 M H H H T D
26 G57xNC-58 02GH125x127 7.8 2.2 0.59 M H H H T D
27 Poinsett76 CornellUniv 6.5 1.9 0.50 H D H T H C
28 Cherokee87 Check 7.2 2.0 0.73 M M D H D M
_________________________________________________________________________________
LSD (5%) 0.8 0.2 0.15
Mean 7.7 2.0 0.60
CV (%) 6.1 5.9 14.35
_________________________________________________________________________________
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 35. Stage 4 summer 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 G57xNC-62 02GH125x131 9 59 50 7 8
2 Marketmore76 Check 9 82 44 6 8
3 G57xNC-59 02GH1648x1650 9 76 65 6 8
4 G57xNC-58 02GH125x127 9 47 42 6 8
5 SRQS-3153 SunSeeds 9 29 32 5 8
6 ACX-18 Abbott&Cobb 8 24 19 7 7
7 SVR14710463 Seminis 8 61 54 7 9
8 SVR14710461 Seminis 8 67 52 6 7
9 Speedway Seminis 8 55 54 6 8
10 SRQS-2926 SunSeeds 7 69 47 8 7
11 Intimidator Seminis 7 29 40 7 8
12 General Lee Harris Moran 7 56 39 7 8
13 WA-3003 WesternSeed 7 41 44 7 8
14 ACX-38 Abbott&Cobb 6 30 29 7 9
15 G83xNC-63 02GH1653x1655 6 65 45 7 7
16 G83xNC-62 02GH126x131 6 56 44 7 6
17 NC-Sunshine 02GH1646x1647 6 50 39 4 8
18 Dasher II Seminis 6 23 25 6 7
19 G83xNC-58 02GH126x127 5 91 50 7 6
20 G83xNC-59 02GH1652x1654 5 80 55 7 7
21 SVR14710464 Seminis 5 31 42 6 8
22 Cherokee87 Check 5 41 38 7 7
23 Ashley Check 5 10 13 6 6
24 Poinsett76 CornellUniv 5 1 1 5 8
25 G57xNC-63 02GH125x132 5 3 3 5 6
26 NC-Stratford 02GH1644x1645 4 69 49 6 7
27 SRQS-2732 SunSeeds 4 5 3 6 9
28 Marketmore86 Check 4 9 8 6 7
_________________________________________________________________________________
LSD (5%) 2 52 27 2 2
Mean 6 45 37 6 7
CV (%) 17 71 46 19 13
_________________________________________________________________________________
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) = 0.11ns
Table 36. Stage 4 summer slicer trial - disease ratings (cultigens ranked
by average disease resistance).z
_________________________________________________________________________________
Cultivar Seed Anthrac-
Rank or line source nose
_________________________________________________________________________________
1 Poinsett76 CornellUniv 1.3
2 SVR14710461 Seminis 2.0
3 ACX-38 Abbott&Cobb 2.0
4 G57xNC-59 02GH1648x1650 2.3
5 SRQS-3153 SunSeeds 2.3
6 SVR14710463 Seminis 2.3
7 General Lee Harris Moran 2.3
8 G83xNC-63 02GH1653x1655 2.3
9 WA-3003 WesternSeed 3.0
10 SVR14710464 Seminis 3.0
11 Dasher II Seminis 3.7
12 NC-Stratford 02GH1644x1645 3.7
13 SRQS-2732 SunSeeds 3.7
14 Speedway Seminis 4.0
15 Cherokee87 Check 4.0
16 Ashley Check 4.0
17 Intimidator Seminis 4.3
18 G83xNC-62 02GH126x131 4.3
19 G83xNC-58 02GH126x127 4.3
20 G57xNC-63 02GH125x132 4.3
21 SRQS-2926 SunSeeds 4.7
22 G83xNC-59 02GH1652x1654 4.7
23 Marketmore86 Check 5.0
24 G57xNC-62 02GH125x131 5.3
25 Marketmore76 Check 5.3
26 G57xNC-58 02GH125x127 5.3
27 ACX-18 Abbott&Cobb 5.3
28 NC-Sunshine 02GH1646x1647 6.0
_________________________________________________________________________________
LSD (5%) 2.3
Mean 3.8
CV (%) 37.5
_________________________________________________________________________________
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 anthracnose rating) = 0.06ns
Table 37. Stage 4 summer 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 G83xNC-58 02GH126x127 5.8 5.2 10.9 10.8
2 NC-Stratford 02GH1644x1645 5.4 5.1 10.3 10.7
3 SVR14710463 Seminis 5.3 5.1 7.2 8.0
4 SRQS-2926 SunSeeds 5.3 5.0 10.8 11.6
5 G83xNC-59 02GH1652x1654 5.2 4.9 14.1 13.6
6 SVR14710461 Seminis 5.2 5.0 11.6 10.5
7 G83xNC-63 02GH1653x1655 5.2 4.8 12.7 11.7
8 General Lee Harris Moran 5.2 4.8 10.0 10.2
9 Marketmore76 Check 5.1 4.6 15.6 15.2
10 G57xNC-59 02GH1648x1650 5.0 4.8 16.0 13.5
11 G57xNC-62 02GH125x131 4.5 4.4 15.6 15.1
12 G83xNC-62 02GH126x131 4.5 4.2 15.4 15.4
13 Speedway Seminis 4.4 4.4 14.9 14.4
14 WA-3003 WesternSeed 4.3 4.2 14.4 14.0
15 SRQS-2732 SunSeeds 4.2 3.8 13.6 14.3
16 SVR14710464 Seminis 4.2 4.1 13.5 13.9
17 SRQS-3153 SunSeeds 4.2 3.9 13.9 14.0
18 NC-Sunshine 02GH1646x1647 4.2 4.0 15.3 16.2
19 ACX-18 Abbott&Cobb 4.1 3.8 13.1 14.9
20 ACX-38 Abbott&Cobb 4.0 3.8 15.7 14.7
21 G57xNC-58 02GH125x127 3.9 3.8 18.9 18.1
22 Dasher II Seminis 3.8 3.6 15.4 16.6
23 Cherokee87 Check 3.7 3.6 19.4 17.8
24 Intimidator Seminis 3.7 3.7 16.6 17.0
25 G57xNC-63 02GH125x132 3.5 3.2 15.4 17.6
26 Marketmore86 Check 3.5 3.2 17.3 18.4
27 Poinsett76 CornellUniv 3.4 3.0 19.4 18.5
28 Ashley Check 3.2 3.0 19.1 19.4
_________________________________________________________________________________
LSD (5%) 1.7 1.4 6.3 6.3
Mean 4.4 4.2 14.5 14.5
CV (%) 23.4 20.4 26.6 26.7
_________________________________________________________________________________
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) = 0.88**
Correlation (Marketable yield with ARI1) = -0.50**