OHIO. SfA1E SWEET CORN CULTIV AR EVALUATIONS Richard L. Hassell Horticulture & Crop Science OARDC/OSU Wooster, OH '

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1 Horticulture & Crop Science Dept. Series No. 654 January ' SWEET CORN CULTIV AR EVALUATIONS-1995 T H E OHIO SfA1E UNIVERSln' Richard L. Hassell Horticulture & Crop Science OARDC/OSU Wooster, OH 44691

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3 TABLE OF CONTENTS Page Weather Summary Thermo gradient Results of SE Sweet Com Thermogradient Results of SH Sweet Com Plant and Ear Characteristics of SE Sweet Com Plant and Ear Characteristics of SH Sweet Com ACKNOWLEDGEMENTS The 1995 sweet com cultivar trial was sponsored by the Ohio Vegetable and Small Fruit Research Check-off Program. Thanks also to Ken Scaife, Manger-Vegetable Crops Branch and Shan Mueller, technician, John Elliott, Manager-Horticulture and Crop Science Farm, and Bruce Williams, technician. Also, thanks to Todd Kranendoink and Cindy Wallace for their help in coordinating data. All programs of the Ohio Agricultural Research and Development Center are available to clientele without regard to race, color, creed, religion, sexual orientation, national origin, gender, age, disability or Vietnam-era status. 1/96-H00/500

4 WEATHER SUMMARY 1995 Month Rain (in) Air avg. Air min. Air max. Humidity avg. Humidity mm. Humidity max. April May June July August September October April May June July August September October VEGETABLE CROPS BRANCH (SH Trial) WOOSTER (HORT UNIT 1) (SE Trial)

5 Table 1. Cultivar Percent seed germination of sugar-enhanced (SE) com at varying temperatures after seven days. Seeds/ Degrees F Source lb WHITE XPH114 Fantasid Argent Avalanche Imaculata Sugar Snow Johnny's Mesa Maize Mesa Maize Mesa Maize Spring Sorrow Mesa Maize HMX (Sweet Ice) YELLOW Amaze Rispen Precocious Rispen Kandy King Siegers Tuxedo Siegers Seneca Siegers (RXY 650) Amaze Siegers Advantage Liberty Spring Treat Rispen Precious Gem Rispen Incredible Crookham Bodacious Crookham Servo XPH Champ Tuxedo Mesa Maize Precocious Mesa Maize Premero Mesa Maize HMX Sugar Ace F

6 Table 1. Cultivar Percent seed germination of sugar-enhanced (SE) com at varying temperatures after seven days. Seeds/ Deirees F Source lb BI-COLOR Table Treat Native Gem RXB770 Geronimo Cochise Tecumseh Relectable Precious Gem Double Gem Pilot Clockwork Coronet Calico Belle Temptation Sensor XPH 086 XPH 085 Double Gem Delectable Merlin Chief Ouray Native Gem Lancelot Precious Gem Gemini HMX54 Seed way Siegers Siegers Stokes Stokes Stokes Siegers Siegers Rispens Johnny's Johnny's Siegers Crookham Mesa Maize Mesa Maize Mesa Maize Mesa Maize Mesa Maize Mesa Maize (Sweet Rhythm) HMX (Sweet Symphony) HMX

7 Table. Cultivar Percent seed germination of SH sweet corn seeds at varying temperatures after seven days. Seeds/ Degrees F Source lb WHITE SnowBird Blizzard Frontier XPH 104 Rispen Stokes Sweet Magic HMX47 (Silver Dollar) HMX YELLOW Victor FMX41 Krispy King Victor Crisp'n Sweet XPH 091 Endeavor XPH 11 XPH 078 Punchline Zenith Day Star HMX84 HMX 61 Ferry Morse Ferry Morse Siegers Siegers Siegers BI-COLOR XPH 07 Dazzle Diabolo SCH 548 SCH 764 Mitra Flavor FMX Siegers Siegers Siegers Liberty Rispen Milk & Honey Stokes Sweet Heart Stokes

8 Table. Percent seed germination of SH sweet com seeds at varying temperatures after seven days. Cultivar Source Seeds/ lb Degrees F BI-COLOR (Cont.) Ultra Flavor Liberty 10 Skyline F1 Johnny's 88 Eagle Treated F 1 Johnny's 08 Tartan Treated F 1 Johnny's 561 FMX404 Ferry Morse 519 FMX Ferry Morse 19 FMX40 Ferry Morse 4156 Diabolo 466 Cabaret 547 Festival 08 XPH XPH Starship Seed way 57 Hybrid 67 Seed way 547 Topnotch F 1 89 Candy Store 49 Confection F HMX

9 Table. Plant and ear characteristics of white sugar-enhanced (SE) sweet com grown in Wooster, Ohio, 1995 (seeded May 0). Date to Base Ear Mktbl Ear Ear Tip 1 Tip 1 Pericarp %Total Sugars % Date to height crates/ lgth dia cover fill Kernel Harvest~ firmness 1 6 Cultivar Source silk harvest (in) acre* (in) (in) (1-5) (1-5) count Ease (g) day days XPH Fantasid *Argent Johnny's Avalanche Mesa Maize *lmaculata Mesa Maize Sugar Snow Mesa Maize *Spring Sorrow Mesa Maize *HMX (Sweet Ice) * O'l *Based on 56 count crates 1Scale=1 excellent; 5 poor Based on glucose equivalent *Considered best in trial 600 and below = creamy = normal 850 and above = crunchy Table. Plant and ear characteristics of white sugar-enhanced (SE) sweet com grown in Wooster, Ohio, 1995 (seeded May 0). Cultivar Source Comments XPH 114 Fantasid Argent Diventy Avalanche Imaculata Sugar Snow Spring Sorrow HMX 56 (Sweet Ice) Johnny's Mesa Maize Mesa Maize Mesa Maize Mesa Maize Mesa Maize Lodges! Long shank, dark green. Rust! Long shank, dark green, many flags. Long shank, dark green, many flags. Dark green, medium shank, many flags. Dark green, no flags. Dark green, many flags, medium shank. Dark green, many flags, medium shank.

10 Table 4. Plant and ear characteristics ofbi-colored sugar-enhanced (SE) sweetcom grown in Wooster, Ohio, 1995 (seeded May 0). Date to Base Ear Mktbl Ear Ear Tip' Tip 1 Pericarp Total Sugars % Date to height crates/ lgth dia cover fill Kernel Harvest' finnness I 6 Cultivar Source silk harvest (in) acre* (in) (in) (1-5) (1-5) count Ease (g) day days *Table Treat Seedway I Native Gem Siegers I I *RXB770 Siegers I Geronimo Stokes 7-19 NOT HARVESTED Cochise Stokes I I Tecumseh Stokes I I ReJectable Siegers I Precious Gem Siegers I I Double Gem Rispens I I Pilot Johnny's I Clockwork Johnny's I I Coronet I *Calico Belle I *Temptation I I J *Sensor I I *XPH I I *XPH I I Double Gem Siegers I I Delectable Crookham Merlin Mesa Maize I Chief Ouray Mesa Maize I Native Gem Mesa Maize I I *Lance lot Mesa Maize I I *Precious Gem Mesa Maize I 1 0 I Gemini Mesa Maize I I *HMX I I (Sweet Rhythm) *HMX I (Sweet Symphony) *HMX I *Based on 56 count crates 600 and below = creamy 1Scale=l excellent; 5 poor = nonnal Based on glucose equivalents 850 and above = crunchy *Considered best in trial

11 Table4. Plant and ear characteristics of bi-colored sugar-enhanced (SE) sweetcom grown in Wooster, Ohio, 1995 (seeded May 0). Cultivar Source Comments Table Treat Seedway Lodges, Long shank, dark green. Native Gem Siegers Rust! RXB770 Siegers Long shank, dark green, many flags. Geronimo Stokes Cochise Stokes Long shank, dark green, many flags. Tecumseh Stokes Dark green, medium shank, many flags. ReJectable Siegers Dark green, no flags. Precious Gem Siegers Dark green, many flags, medium shank. Double Gem Rispens Dark green, many flags, medium shank. Pilot Johnny's Die Back!, dark green. Clockwork Johnny's Dark green, many flag leaves. Coronet Light green, long shank, few flag leaves. Calico Belle Rust! Dark green. Temptation Rust! Light green. Sensor Dark green, many flag leaves, long shank. XPH 086 Asgrow Rust! Dark green, long shank. 00 XPH 085 Light green, many flag leaves, long shank. Double Gem Siegers Dark green, many flags, short shank. Delectable Crookham Long shnk, light green. Few flag leaves. Merlin Mesa Maize Dark green, big ears! Short shank. Chief Ouray Mesa Maize Light green, few flag leaves. Native Gem Mesa Maize Dark green, many flag leaves. Lance lot Mesa Maize Rust! Leaf dry back. Precious Gem Mesa Maize Lodges! Rust! Gemini Mesa Maize Medium shank, many flag leaves, dark green. HMX 54 Rust! Light green. HMX49 Dark green, few flag leaves, short shank. HMX 70 Dark green, few flag leaves, big kernels.

12 Table 5. Plant and ear characteristics of yellow sugar-enhanced (SE) sweetcom grown in Wooster, Ohio, 1995 (seeded May 0). Date to Base EarMktbl Ear Ear Tip 1 Tip 1 Pericarp % Total Sugars % Date to height crates/ lgth dia cover fill Kernel Harvest 1 firmness 1 6 Cultivar Source silk harvest (in) acre* (in) (in) (1-5) (1-5) count ease (g) day days Amaze Rispen Precocious Rispen 7-0 NOT HARVESTED Kandy King Siegers *Tuxedo Siegers Seneca Siegers *Amaze Siegers Advantage Liberty Spring Treat Rispen I Precious Gem Rispen Incredible Crookham *Bodacious Crookham Servo XPH NOT HARVESTED \0 Champ Tuxedo Mesa Maize Precocious Mesa Maize NOT HARVESTED Premero Mesa Maize HMX *Sugar Ace F *Based on 56 count crates 1Scale= 1 excellent; 5 poor 8ased on glucose equivalent 600 and below = creamy = normal 850 and above = crunchy *Considered best in trial

13 Table 5. Plant and ear characteristics ofyellow sugar-enhanced (SE) sweetcorn grown in Wooster, Ohio, 1995 (seeded May 0). Cultivar Source Comments Amaze Rispen Precocious Rispen Not Harvested KandyKing Siegers Tuxedo Siegers Seneca Siegers Rust, long shank, many flag leaves Amaze Siegers Dark green, long shank, many flag leaves Advantage Liberty Dark green, long shank, few flag leaves Spring Treat Rispen Long shank, Rust! Precious Gem Rispen Dark green, many flag leaves, long shank Incredible Crookham Dark green, long shank Bodacious Crookham Long shank Servo Long shank, bird damage XPH 119 Not harvested Champ Dark green, few flag leaves Tuxedo Mesa Maize Rust! Dark green Precocious Mesa Maize Not Harvested... Premero Mesa Maize Light green, rust! 0 HMX440 Dark green, some rust, few flag leaves Sugar Ace Fl Dark green, many flag leaves, some rust

14 Table 6. Plant and ear characteristics of white supersweet (Sh) sweetcom grown in Fremont, Ohio 1995 (seeded May 16). (cont.) Cultivar Source Date to % silk Base Ear Mktbl Ear Date to height crates/ lgth harvest (in) acre* (in) Ear Tip 1 Tip 1 Pericarp dia cover fill Kernel Harvest 1 firmness (in) (1-5) (1-5) count ease (g) % Total Sugars 1 6 day days *Snow Bird Blizzard *Frontier XPH 104 *Sweet Magic *HMX47 HMX 68 Rispen Stokes Asgrow I ' 1-' *Based on 56 count crates 1 Scale= 1 excellent; 5 poor Based on glucose equivalent 600 and below = creamy = normal 850 and above = crunchy *Considered best in trial Table 6. Plant and ear characteristics of white supersweet (Sh) sweetcom grown in Fremont, Ohio 1994 (seeded May 16). Cultivar Source Comments Snow Bird Blizzard Frontier XPH 104 Sweet Magic HMX47 HMX 68 Rispen Stokes Some smut Very uneven at harvest Some smut and worm damage Uneven at maturity Some smut Heavy smut damage, some bird damage

15 Table 7. Plant and ear characteristics ofbi-color supersweet (Sh) sweetcom grown in Fremont, Ohio 1995 (seeded May 16). Date to Base Ear Mktbl Ear % Date to height crates/ lgth Cultivar Source silk harvest (in) acre* (in) Ear dia (in) Tip 1 Tip 1 cover fill (1-5) (1-5) Pericarp Kernel Harvest 1 firmness count ease (g) % Total Sugars 1 6 day days [\.) """' *XPH 07 Asgrow Dazzle Asgrow Diabolo Siegers SCH 548 Siegers SCH 764 Siegers Mitra Flavor Liberty *FMX Rispen Milk & Honey Stokes *Sweet Heart Stokes *Ultra Flavor Liberty Skyline F1 Johnny's Eagle Treated Fl Johnny's Tartan Treated Fl Johnny's FMX 404 Ferry Morse FMX Ferry Morse FMX 40 Ferry Morse Diabolo Ferry Morse *Cabaret Asgrow Festival Asgrow XPH 05 Asgrow XPH 074 Asgrow Starship Seedway Hybrid 67 Seedway Topnotch Fl Candy Store Hrris Moran *Confection F *HMX *Based on 56 count crates 1 Scale= I excellent; 5 poor Based on glucose equivalents *Considered best in trial 600 and below = creamy = normal 850 and above = crunchy

16 Table 7. Plant and ear characteristics ofbi-color supersweet (Sh) sweetcom grown in Fremont, Ohio 1995 (seeded May 16). Cultivar Source Comments f-' w XPH 07 Dazzle Diabolo SCH 548 SCH 764 Mitra Flavor FMX Milk& Honey Sweet Heart Ultra Flavor Skyline F1 Eagle Treated F1 Tartan Treated F I FMX404 FMX FMX40 Diabolo Cabaret Festival XPH 05 XPH 074 Starship Hybrid 67 Topnotch F1 Candy Store Confection F 1 HMX 64 Siegers Siegers Siegers Liberty Rispen Stokes Stokes Liberty Johnny's Johnny's Johnny's Ferry Morse Ferry Morse Ferry Morse Ferry Morse Seedway Seedway Rust Some smut Very uneven at harvest Smut Some worm damage Lot of rust, some smut Worm damage

17 Table 8. Plant and ear characteristics of yellow supersweet (Sh) sweetcom grown in Fremont, Ohio I995 (seeded May I6). Date to Base Ear Mktbl Ear I 00% Date to height crates/ lgth Cultivar Source silt harvest (in) acre* (in) Ear dia (in) Tip 1 Tip 1 cover fill (1-5) (1-5) Pericarp Kernel Harvest 1 firmness count ease (g) % Total Sugars 1 6 day days I-' "" Victor Ferry Morse IO I7 I9I 7.7 *FMX 4I Ferry Morse IO I *Krispy King Siegers 7-8-IO Victor Siegers 7-8-IO Crisp'n Sweet Siegers IO *XPH 09I I4 8.5 *Endeaver 7-8-IO I XPH II I 4I 8.0 XPH IO 18 II 7. *Punchline *Zenith IO *Day Star I 7.15 *HMX IO HMX 6I I 1 I I I 1 I 1 I I I I I 1 I I I8 964 I8 8I4 I I6 99 I8 95I I6 91 I I6 I0 I8 I0 I I *Based on 56 count crates 600 and below = creamy 1 Scale=l excellent; 5 poor = normal Based on glucose equivalents 850 and above = crunchy *Considered best in trial

18 Table 8. Plant and ear characteristics of yellow supersweet (Sh) sweetcom grown in Fremont, Ohio 1995 (seeded May 16). Cultivar Source Comments Victor FMX41 Krispy King Victor Crisp'n Sweet XPH 091 Endeaver XPH 11 XPH 078 Punch line Zenith Day Star HMX84 HMX61 Ferry Morse Ferry Morse Siegers Siegers Siegers Some smut Very long shank Some smut Not uniform at maturity Some smut Some worm damage Long shank f-' ljl

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