Oakes Irrigation Research
Site
Carrington Research Extension Center * North Dakota State University
P.O. Box 531, Oakes, ND 58474-0531, Voice: (701) 742-2189, FAX: (701)
742-2700, email: rgreenla@ndsuext.nodak.edu
PUMPKIN VARIETY PERFORMANCE TRIAL
Richard Greenland, Leonard Besemann and Heidi Eslinger
Table 52. Pumpkin fruit characteristics
Pumpkins grow well in North Dakota. Early maturing pumpkins are usually best, but later maturing ones do well in some years. In this study we evaluated 10 pumpkins.
MATERIALS AND METHODS
Soil: |
Maddock sandy loam; pH=6.9; 2.3% organic matter; soil-K and soil-P were very high; soil-S was low. |
Previous crops: |
2002 - field corn; 2001 - cabbage; 2000 - onion and potato. |
Seedbed preparation: |
Disked twice on April 11. Multiweeded (field cultivated) on May 22 to incorporate fertilizer and smooth seedbed. |
Planting: |
Seeds planted 1 ft apart in rows 9.5 ft apart on May 23. On June 20 thinned to an in-row spacing of one plant every 3 ft. |
Plots: |
Plots were 20 ft long by 8 ft (one row) wide. |
Fertilizer: |
On April 9, broadcast 11 lbs N/acre and 52 lbs P205 as 11-52-0, 30 lbs K2O as 0-0-60 and 18 lbs N/acre and 20 lbs S/acre as 21-0-0-24. Applied 30 lbs N/acre as 32-0-0 on May 13. Fertigated 50 lbs N/acre as 28-0-0 on June 26. |
Irrigation: |
Overhead sprinkler irrigation as needed. |
Pest control: |
Weeds were controlled by rototilling and by hand weeding. Applied Roundup + NIS (16 oz/acre + 1qt/50 gal on May 14). Sprayed Asana (8 oz/acre on July 8, July 17, and August 22) and Pounce (8 oz/acre on August 6) to control cucumber beetles. |
Harvest: |
Hand harvested September 22 to 24. |
Hybrid Pam had the highest quality, number and percentage of marketable pumpkins. All pumpkins looked good, but not excellent.
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Table 51. Yields for the Oakes Irrigation Research Site 2003 pumpkin performance trial.
Name |
Seed source1 |
Marketable |
Green2 |
Total3 |
Percent marketable |
|||
number |
yield |
number |
yield |
number |
yield |
|||
|
fruit/A |
tons/A |
fruit/A |
tons/A |
fruit/A |
tons/A |
% |
|
|
||||||||
Gold Standard |
RU |
1840 |
11.9 |
640 |
3.2 |
3600 |
19.5 |
57 |
Gold Medal |
RU |
2000 |
19.8 |
1120 |
6.9 |
3360 |
27.7 |
68 |
Gold Gem |
RU |
1440 |
13.5 |
800 |
6.3 |
3040 |
23.5 |
58 |
Howdy Doody |
RU |
2080 |
12.6 |
1040 |
5.8 |
3840 |
21.4 |
56 |
Hybrid Pam |
SW |
4320 |
11.6 |
960 |
2.3 |
6250 |
16.3 |
69 |
REX 1003 |
RU |
2080 |
19.5 |
640 |
4.3 |
2880 |
25.4 |
78 |
RPX 03512 |
RU |
1760 |
15.1 |
1120 |
6.8 |
3600 |
26.9 |
58 |
Trojan |
SW |
1840 |
19.8 |
960 |
7.8 |
3280 |
29.8 |
68 |
|
||||||||
Probability |
0.02 |
0.27 |
0.95 |
0.66 |
0.004 |
0.08 |
0.83 |
|
LSD(0.05) |
1450 |
— |
— |
— |
1490 |
— |
— |
|
C.V. (%) |
45 |
40 |
81 |
85 |
27 |
26 |
35 |
|
1See Appendix A for a list of seed sources.
2Green - pumpkins that were immature at harvest time.
3Includes those that were diseased, odd shaped, etc.
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Table 52. Pumpkin fruit characteristics for the Oakes Irrigation Research Site 2003 pumpkin performance trial.
Name |
Seed source1 |
Fruit size |
Handle (stem)2 |
Fruit color3 |
Fruit shape4 |
Uniformity |
Overall score |
|
lbs/fruit |
------------------- 1 to 5 ----------------- |
1 to 3 |
1 to 10 |
|||
|
|||||||
Gold Standard |
RU |
11.9 |
3.5 |
3.5 |
3.0 |
2.3 |
7.5 |
Gold Medal |
RU |
18.7 |
3.3 |
3.4 |
4.1 |
2.1 |
7.4 |
Gold Gem |
RU |
19.5 |
2.9 |
3.4 |
3.4 |
2.4 |
7.0 |
Howdy Doody |
RU |
12.2 |
3.1 |
2.9 |
3.3 |
1.8 |
7.3 |
Hybrid Pam |
SW |
5.3 |
4.1 |
3.9 |
2.8 |
2.5 |
8.0 |
REX 1003 |
RU |
18.8 |
4.1 |
3.3 |
3.8 |
2.3 |
7.6 |
RPX 03512 |
RU |
18.6 |
3.9 |
3.5 |
3.5 |
2.1 |
7.1 |
Trojan |
SW |
21.3 |
3.5 |
3.5 |
4.0 |
1.9 |
6.9 |
|
|||||||
Probability |
<.0001 |
0.012 |
0.04 |
0.006 |
0.06 |
0.56 |
|
LSD (0.05) |
3.8 |
0.7 |
0.5 |
0.7 |
— |
— |
|
C.V.(%) |
16 |
14 |
10 |
14 |
15 |
11 |
|
1See Appendix A for a list of seed sources.
2Handle (or stem) - 1 to 5; the longer and thicker the handle in relation to the size of the pumpkin, the higher the score.
3Color - 2 = light orange, 3 = medium orange, 4 = dark orange.
4Shape - 1 = short, 2 = medium short, 3 = round, 4 = medium tall, 5 = tall.
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