Sweet Corn Variety Performance - Purdue Agriculture...Jan 04, 2018 · Sweet Corn Variety...
Transcript of Sweet Corn Variety Performance - Purdue Agriculture...Jan 04, 2018 · Sweet Corn Variety...
Sweet Corn Variety Performance Liz Maynard and Erin BluhmDepartment of Horticulture and Landscape ArchitectureJan. 4, 2018Illiana Vegetable Growers SymposiumSchererville, Indiana
Where : Pinney Purdue Agriculture Center in Wanatah, IN
Supersweets (sh2) planted May 16, first harvest July 31 Sugar-enhanced/synergistic (se) planted May 30, first harvest Aug 4
Tracy Sandy Loam soil
Fertilizer : 40 lbs./A preplant from urea on April 1260 lbs./A N sidedress from UAN on June 7
(no P or K based on Fall 2016 soil testing)
Population 20,328 plants per acre (intended)
Single-row plots 30 ft. long, 30 in. apart, 3 replications, randomized block design
PPAC Weather Summary 2017
May 15 – August 6
Average temp: 69.5° F0.2°F above normal
Total Precipitation: 11.53 inches0.27 inches above normal
Growing Degree Days: 166653 above normal
Source : USDA NASS 2017 Indiana Crop Progress and Condition report
Harris Moran
Rosie Elle (y) Raquel Kate Cumberland
Syngenta
BSS 0761 BSS 1075 BSS 8021WSS 8072 (w)
Crookham
Yellowstone (y) Everglades Eden (w)Nirvana CAPBF 12-525 CSHBP 13-672AP 426
Stokes
AnthemAmerican DreamHero XR
sh2 – supersweet
Grading and Weighing Number and weight of all
marketable and fancy ears
Husk cover Husk tightness Tip fill Flag length Overall attractiveness
Ear diameter Ear length Shank length
Ear flavor and (sh2 only) pericarp toughness
Tip Fill : length of cob not filled
5 = 0”
4 = 0” to ½”
3 = ½” to 1”
2 = < 1”
1 = > 2”
Husk Cover : length of Husk beyond Ear
5 = > 2”
4 = 1 ¼” to 2”
3 = ¾” to 1 ¼”
2 = < ¾”
1 = Ear exposed
Early Vigor Rating: 1 (low) to 9 (high) Scale
8627
Good early vigor (>6.7): Anthem, Hero XR, Rosie, Raquel, YellowstoneLow early vigor (<4.3): BSS 0761, Eden, AP 426, Nirvana
Hero XR
• Days to Harvestpredicted 71 actual 76
• Marketable Ears1,404 doz./A 7.8 ton/A
• Average Ear weight 0.92 lb.length 7.22 in.diam. 1.90 in.
HC 5.0 TF 4.9 91.3% Fancy EVigor 8.3
Hero XR
JRTICULh.JRE & L NDSCAPE ARCHITECTURE
Raquel
• Days to Harvestpredicted 72 actual 76
• Marketable Ears1,145 doz./A7.5 ton/A
• Average Ear weight 1.10 lb.length 8.58 in.diam. 2.14 in.
HC 3.4 TF 4.7 62.3% Fancy EVigor 6.7
Raquel
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Nirvana
• Days to Harvestpredicted 74actual 76-78
• Marketable Ears1,533 doz./A 7.1 ton/A
• Average Ear weight 0.77 lb.length 7.75 in.diam. 1.96 in.
HC 2.9 TF 4.3 39.9% Fancy EVigor 4.3
Nirvana
HORTICULTURE & LANDSCAPE ARCHITECTURE
• Days to Harvestpredicted 77 actual 78-80
• Marketable Ears1,258 doz./A 5.4 ton/A
• Average Ear weight 0.74 lb.length 6.75 in.diam. 1.89 in.
American Dream
HC 3.8 TF 4.4 64.6% Fancy EVigor 5.3
JRTICULT RE & L NDSCAPE ARCHITECTURE
Anthem
• Days to Harvestpredicted 73actual 78-80
• Marketable Ears1,242 doz./A 6.6 ton/A
• Average Ear weight 0.91 lb.length 7.61 in.diam. 2.06 in.
HC 4.0 TF 4.8 72.1% Fancy EVigor 8.3 I
Anthem
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Rosie
• Days to Harvestpredicted 74actual 78-80
• Marketable Ears1,194 doz./A 8.0 ton/A
• Average Ear weight 1.11 lb.length 8.06 in.diam. 2.21 in.
HC 3.6 TF 3.8 68.5% Fancy EVigor 6.7
JRTICULh.JRE & L NDSCAPE ARCHITECTURE
Cumberland
• Days to Harvestpredicted 77actual 78-80
• Marketable Ears1,210 doz./A 7.3 ton/A
• Average Ear weight 1.01 lb.length 7.94 in.diam. 2.04 in.
HC 3.6 TF 5.0 75.3% Fancy EVigor 6.3 f
Cumberland
JRTICULT RE & L NDSCAPE ARCHITECTURE
CAPBF 12-525
• Days to Harvestpredicted 72 actual 78-80
• Marketable Ears1,323 doz./A 7.1 ton/A
• Average Ear weight 0.90 lb.length 7.71 in.diam. 2.00 in.
HC 3.7 TF 4.1 56.8% Fancy EVigor 4.7
JRTICULT RE & RE L NDSCAPE ARCHITECTU
Everglades
• Days to Harvestpredicted 76 actual 80-83
• Marketable Ears1,629 doz./A 8.3 ton/A
• Average Ear weight 0.85 lb.length 7.89 in.diam. 1.94 in.
HC 3.6 TF 4.0 54.4% Fancy EVigor 8.0
14
Everglades
JRTICULT RE & L NDSCAPE ARCHITECTURE
Kate
• Days to Harvestpredicted 77actual 80-85
• Marketable Ears1,339 doz./A 8.4 ton/A
• Average Ear weight 1.05 lb.length 7.79 in.diam. 2.10 in.
HC 4.1 TF 3.9 68.8% Fancy EVigor 6.3 v-
Kate
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ULTURE & .APE ARCHITECTURE
BSS 8021
• Days to Harvestpredicted 78 actual 80-85
• Marketable Ears1,162 doz./A 6.4 ton/A
• Average Ear weight 0.92 lb.length 7.44 in.diam. 1.88 in.
HC 4.7 TF 5.0 76% Fancy EVigor 4.7 BSS 8021
515, 618, 713. 808
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AP 426
• Days to Harvestpredicted 78 actual 80-85
• Marketable Ears1,533 doz./A 8.7 ton/A
• Average Ear weight 0.95 lb.length 7.64 in.diam. 1.94 in.
HC 5.0 TF 4.2 80.8% Fancy EVigor 4.3
AP426
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CSHBP 13-672
• Days to Harvestpredicted 80 actual 80-87
• Marketable Ears1,210 doz./A 10.3 ton/A
• Average Ear weight 1.42 lb.length 9.21 in.diam. 2.10 in.
HC 3.9 TF 3.9 84.7% Fancy EVigor 6.3
CSH BP 13-672
PURDUE I HORTICULTURE & EXTENSION LANDSCAPE ARCHITECTURE
BSS 0761
• Days to Harvestpredicted 80actual 85-87
• Marketable Ears1,242 doz./A 7.7 ton/A
• Average Ear weight 1.03 lb.length 7.75 in.diam. 2.03 in.
HC 3.7 TF 4.2 67.6% Fancy EVigor 2.7
BSS 0761
509 61'/ 708, 80b
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PURDUE I HORTICULTURE & EXTENSION LANDSCAPE ARCHITECTURE
BSS 1075
• Days to Harvestpredicted 77actual 85-87
• Marketable Ears1,468 doz./A 9.0 ton/A
• Average Ear weight 1.03 lb.length 7.82 in.diam. 2.00 in.
HC 3.8 TF 4.7 52.6% Fancy EVigor 4.7
501. 620. 707, 807
t lRTICULTURE & AijOSCAPE ARCHITECTURE
Yellowstone
• Days to Harvestpredicted 76 actual 80-83
• Marketable Ears1,500 doz./A 7.9 ton/A
• Average Ear weight 0.88 lb.length 7.54 in.diam. 1.86 in.
HC 4.3 TF 4.3 65.8% Fancy EVigor 6.7
JRTICULT RE & L NDSCAPE ARCHITECTURE
Elle
• Days to Harvestpredicted 78 actual 83-87
• Marketable Ears1,307 doz./A8.3 ton/A
• Average Ear weight 1.06 lb.length 8.13 in.diam. 2.03 in.
HC 3.8 TF 4.0 64.8% Fancy EVigor 4.7 Elle
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Eden
• Days to Harvestpredicted 75actual 76-80
• Marketable Ears1,629 doz./A 7.1 ton/A
• Average Ear weight 0.72 lb.length 7.56 in.diam. 1.97 in.
HC 3.1 TF 3.9 28.2% Fancy EVigor 4.3
Eden 513. 607. 71 }, 815
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WSS 8072
• Days to Harvestpredicted 78 actual 83
• Marketable Ears1,210 doz./A 6.6 ton/A
• Average Ear weight 0.91 lb.length 7.63 in.diam. 1.97 in.
WSS 8072
HC 4.0 TF 4.9 65.8% Fancy EVigor 6.3
wss 8072
SW. 604, 701. $09
JRTICULT RE & L NDSCAPE ARCHITECTURE
Acknowledgments
Seed CompaniesCrookhamHigh Mowing SeedsHM ClauseStokesSyngenta
Pinney Purdue Ag Center Staff and Vegetable Crew
Full report available online at the Purdue Education Store, edustore.purdue.edu/item.asp?Item_Number=16-18-17-Wor
tinyurl.com/mwvtr