pumpkin variety performance - purdue agriculture · 2018. 1. 19. · 2 powdery mildew treatments :...
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Pumpkin Variety PerformanceLiz Maynard and Erin BluhmDepartment of Horticulture and Landscape Architecture
Jan. 4, 2018Illiana Vegetable Growers SymposiumSchererville, Indiana
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Where : Pinney Purdue Ag. Center Wanatah, IN
When : May 31 – September 13, 2017
Tracy Sandy Loam soil2 replications2 Powdery Mildew Treatments :
Treated (quinoxyfen and myclobutanil)Not Treated
16 varieties : 14 jack-o-lantern1 small, pie 1 specialty
Fertilizers : 40 lbs./A N total from urea preplant on April 1260 lbs./A N total from UAN sidedress on June 20
(no P or K based on Fall 2016 soil testing)
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PPAC Weather Summary
May 29 - Sept 10
Average temp : 68.8˚FTemp differential : -1.3˚F
Precipitation : 10.75 inchesPrecip. differential : -3.18 inches
Growing Degree Days : 2005GDD differential : -88
(Source: USDA NASS 2017 Indiana Crop Progress and Condition report)
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Seeded on May 317.5 ft. between rows in plot, 15 ft. between plots. 3 ft. spacing in row. 1290/A
First emergence count June 8, Filled in with transplants June 16Overhead irrigation run once on June 14 (applied ½”)Insects controlled using permethrin (Arctic®)Weeds controlled with Strategy®, Curbit®, hand weeding and cultivationHarvested September 11 – 13PM Trt: Quintec® (quinoxyfen) 6 oz./A July 14, August 11
Rally® (myclobutanil) at 4 oz./A July 27, August 25All Plots: Mankocide® (copper hydroxide) 3 lb./A July 27 and Aug. 25; Bravo Weather Stik® (chlorothalonil) 2 pints /A and Previcur Flex® (propamocarb) 1.2 pints/A Aug. 11, and Tanos® (famoxadone and cymoxanil) 8 oz./A Aug. 25.
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Data CollectionPowdery Mildew Ratings
• Aug 21-23, Aug 31-Sept 1, and Sept 7-8• Two young, mid-aged, and old leaves per plot• Upper, lower, and petiole ratings taken per leaf• Overall plot ratings for powdery mildew• Vine Vigor rating
Fruit Characteristics rated on September 14• Color, shape, and suture depth• Width and length of peduncle• Size Uniformity and Overall Quality rated from 1 (low) to
9 (high)
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HulkPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
30.0 29.5 L, L-M, M O M, M-D 7.0 397Largest, thick stems, oblong fruit, but late to mature, lower percent marketable fruit
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HulkPM Treatment No PM Treatment Yes
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Cargo PMRPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
25.4 35.9 D R, R-O D 8.2 52Late to mature, high total yield, long stems, dark orange, good quality fruit
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Cargo PMRPM Treatment No PM Treatment Yes
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Solid GoldPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
23.6 26.8 L, L-M S, R, R-O S, S-M 7.0 316
Bright, light to medium orange pumpkins with relatively long stems
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Solid GoldPM Treatment No PM Treatment Yes
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KratosPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
22.8 31.4 M, M-D, D R, R-O M, D 8.4 165Very vigorous vines and a high percentage of marketable fruit
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KratosPM Treatment No PM Treatment Yes
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JPN 62005RPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
22.5 28.0 M, M-D R M 6.5 63
Best resistance to powdery mildew in this size group
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JPN 62005RPM Treatment No PM Treatment Yes
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Bayhorse GoldPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
20.4 32.6 M, D R-O, O M, S-D 7.8 168High percentage of marketable fruit, earlier than most others in this size range, 2nd highest orange lb/plant
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PM Treatment No PM Treatment Yes
Bayhorse Gold
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Eagle City GoldPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
20.3 34.9 L, L-M, M R-O S 7.3 256
2nd in marketable yield for this size group, light to medium orange pumpkins with shallow sutures
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Eagle CityGold
Eagle City GoldPM Treatment No PM Treatment Yes
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ZeusPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
17.8 23.0 M, M-D R, R-O S, M, D 7.5 51Vigorous vines, but very late to mature, lowest yield in this size class (16-18 lb.)
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ZeusPM Treatment No PM Treatment Yes
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Cider JackPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
17.6 26.5 M, D R S-M, M-D 3.7 281Least vigorous vines; yield in the middle for this size group (16- 18 lb.)
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Cider JackPM Treatment No PM Treatment Yes
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JPN 14-4090PM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
17.3 39.7 M-D, D R D 7.9 77Vigorous vines, high yield, a high percentage of marketable fruit.
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JPN 14-4090PM Treatment No PM Treatment Yes
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Cracker JackPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
16.8 27.3 M, D R M, D 7.8 155High percentage of marketable fruit but later in maturity than most.
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CrackerJack
Cracker JackPM Treatment YesPM Treatment No
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Jack StrawPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
14.5 29.4 L, M R-O M, S-D 5.6 116
High percentage marketable fruit; somewhat later in maturity (12 -15 lb.)
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Jack StrawPM Treatment No PM Treatment Yes
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SkidooPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
14.3 33.4 M, D R, V S-M, M 7.3 49More vigorous vines than Jack Straw and slightly earlier in maturity
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SkidooPM Treatment No PM Treatment Yes
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JPN 62009PM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
12.4 22.1 M, M-D R-O M, M-D 7.3 16Smaller fruit and much later in maturity than other 2 in size group (12 -15 lb.)
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JPN 62009PM Treatment No PM Treatment Yes
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Owl’s EyePM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
5.9 25.5 YEL/CR S, S-R, R S, S-M, M 5.8 256Attractive, squat, fruit starts out cream-colored and then turns yellow. Cream-colored fruit is attractive; late maturity may not be a problem if fruit can be marketed before it turns yellow.
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Owl’s EyePM Treatment No PM Treatment Yes
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Jack SpratPM Treatment No PM Treatment Yes
Lb./fruitOrange
Lb./plantOrange & Turning
Color Shape Suture Depth
Vine Vigor
PM Severity
2.7 15.9 M S, R-S, R-O S 7.3 20Very good resistance to powdery mildew, vigorous vines, early maturity, and produced 2-3 lb. fruit with shallow sutures
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Jack SpratPM Treatment No PM Treatment Yes
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JPN62005R
CiderJack
Skidoo Jack Sprat
BayhorseGold
JPN14-4090
CrackerJack
Hulk
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Owl’s Eye
Kratos JackStraw
Eagle CityGold
Zeus JPN62009
CargoPMR
SolidGold
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Acknowledgments
J. Leuck and Pinney-Purdue Ag Center staff managed field operations. S. Musgrave, O. Rippe, and J. Smiddyassisted with fieldwork. Seed companies Rupp, High Mowing Seeds, HM Clause, Johnny’s Selected Seeds, and Sakata Seeds for provided financial support and/or seed.
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Powdery Mildew Treatment
Vine Vigor
PMSeverity
Lbs./Plant Orange
No./PlantAll Fruit
Lbs./Plant All Fruit
No 6.7 384 15.7 2.20 29.2Yes 7.3 28 20.2 2.68 36.2Significance (P<0.05) * * * *Percent Increase with Treatment 29% 22% 24%
Powdery Mildew Treatment Effects
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