Brooks, William M.

Mosley, Alvin R.

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Horticul~DepartmentJSeries 450GREEN SPRINGS SWEET CORNVARIETY TRIALS, 1977Alvin R. Mosley and William M. BrooksJanuary 1978• •I II 231978DEPARTMENT OF HORTICULTUREOHIO AGRICULTURAL RESEARCH AND DEVELOPMENT CENTERU.S. 250 and S.R. 83 SouthWooster, OhioThis page intentionally blank.GREEN SPRINGS SWEET CORN CULTIVAR TRIALS, 1977A. R. Mosley and W. M. BrooksDepartment of HorticultureOhio Agricultural Research and Development CenterWooster, OhioFifty sweet corn cultivars and breeding lines were evaluated at Green Springsin 1977. Twenty-eight were tested in replicated plots and the remaining twenty-twowere observeod in single plots. Entries varied widely in days to maturity, yield,quality and overall appearance of ears.The sandy loam soil was amended with 600 lb. per acre of 15-15-15 pre-plantincorporated. An additional 325 lb. per acre of 5-30-15 was banded beside rows atplanting on May 10. Kernels were planted by hand to an exact stand in pre-markedrows; individ~al hills were spaced 9 inches apart in 30-inch rows. Plots were singlerows 31 feet long. Guard rows containing varieties of different maturity classifi-cations were planted on either side of replicated plots to insure adequate pollina-tion. Plants were thinned to 1 per hill on May 25. The planting was sidedressedwith 45 lb. per acre of nitrogen on June 13 when plants were approximately 12 inchestall.Conventional cultural and pest control methods were used. Weeds were controlledby pre-plant incorporation of Lasso @ 2.75 qt. per acre and cUltivation. Dyfonatewas also pre-plant incorporated @ 2-5 qt. per acre for soil-borne insects. Addition-al foliar insecticide and fungicide sprays were applied as needed during the season.Pest damage was minimal. The planting was not irrigated.Plots were harvested once at optimum maturity and stripped of all remalnlng earsa few days later to determine total yields. Ears were counted, weighed and examinedfor tip cover and husk tightness. Ten full-sized ears were then selected at random,husked, measured for length and diameter and subjectively rated for maturity andoverall appearance.SEED SOURCES1. Agway, Inc., Buffalo, N.Y. 142402. Asgrow Seed Co., Kalamazoo, MI. 490013. Ferry-Morse Seed Co., Mountain View, CA 940424. FMC Corp. (Niagara), Modesto, CA 956185. Joseph Harris Co., Rochester, N.Y. 146246. Letherman's, Inc., Canton, Ohio 447077. Northrup, King & Co., Minneapolis, MN. 554138. Robson Seed Farms Corp., Hall, N.Y. 144639. Rogers Brothers Co., Idaho Falls, ID 8340110. Schlessman Seed Co., Milan, Ohio 4484611. Seedway, Inc., Hall, N.Y. 1446312. Stokes Seeds, Inc., Buffalo, N.Y. 1424013. Otis S. Twilley Seed Co., Salisbury, MD 21801RESULTSYields were slightly higher in 1977 than in previous years averaging 1839 dozenmarketable ears per acre across all varieties (Tables 1,3). External appearance ofears was also excellent as indicated by an average 92 percent marketable across allentries.Seneca Pathfinder was the only replicated entry maturing in less than 70 days(62 'days) in 1977. This entry performed relatively poorly, however, yielding lessthan half of the overall average. Ear color was generally pale and rows of kernelswere uneven. Average size of ears was relatively small.Five entries were harvested 72 days after planting. Beacon yielded highest byweight in this group but Commanche produced more ears. Ears of Beacon were relative-ly large averaging 0.76 lbs. compared to only 0.61 lbs. for Commanche. Commancheears tended· to be longer and narrower than those of Beacon, however. Both varietieswere attractive and showed good tip fill.Cherokee appeared to be promising among the 7S-day entries with 2238 dozen earsper acre. WH 115 also yielded well and may have potential as a midseason white inOhio.Sugar Loaf has yielded well above.average during the last 2 years. Color isgenerally excellent but tip fill and kernel arrangement may be questionable in somesituations. W 9625 yielded significantly higher than most other varieties in theplanting and, based on 1977 performance, may have considerable potential in Ohio.Further testing is necessary before it can be recommended to growers, however.Several entries in the unreplicated plots appeared to be worthy of furthertesting. Among these are Seneca RXP217, Stylepak, White Delight and Midway.-2-TABLE 1.--Average Yield, Ear Size and Other Characteristics of Replicated Sweet Corn Entries. GreenSprings, 1977.1Entry SourceDaystoHarvestMkt YieldDoz/ Cwt/ %A ATip2CoverHusk 2Tight-nessAvg. Ear SizeWt. Lgth. Dia.( lb .) In • In .Uni-3formity4Avg.maturity ConunentsSeneca PathfinderBeaconCommancheAztecSeneca StarHarmonyCherokeeJubileeEpicWH 115Gold WinnerRxP 218Sugarloaf70-2070I YW 1465wI MeritResisterSeneca RxP 223W 9625H-445Seneca RxP 214Sweet SueSensation 95Silver SensationSilver QueenCommanderCapitanWH1234AverageLSD .0589228529455679524855851010922562727272727275757575757577777778797983838383848484848484927 591522 1371824 1331441 1211250 1201119 952238 1731915 1551633 1511834 1461703 1361572 1352127 1641865 1541461 1231925 1822046 1792137 1722530 2142328 1832147 1771663 1632137 1912399 1872056 1841592 1721986 1712086 1671839 144361 3283819392888991939490989593919693969296919496888887959390920.12.03.03.03.03.03.03.02.03.02.02.03.02.03.03.02.52.53.01.52.03.03.01.03.03.02.01.22.02.50.22.02.03.01.81.02.01.02.02.82.71.82.51.02.01.01.01.01.52.02.02.01.21.02.03.02.01.32.01.80.04.54 7.3.76 7.0.61 7.7. 70 '7.5•80 7.7. 72 7.4.65 7.8.68 7.8.77 8.2.67 7.1.67 7.7.71 7.5.64 7.8.69 7.9.70 8.2.79 8.4.74 8.5.67 7.5.71 8.2.66 7.6.70 8.2.82 8.0.75 9.2.65 8.1.75 8.0.91 8.6.72 8.8.67 8.1.71 7.9.97 0.31.51.]1.51.81.81.81.61.71.71.91.71.81.71.81.71.91.91.81.71.71.71.91.91.81.72.01.71.71.70.062.82.82.92.92.92.82.82.82.92.72.82.92.82.92.62.82.72.92.72.72.72.82.62.62.72.72.62.72.80.11.82.02.02.02.02.01.82.01.72.02.01.91.91.92.01.72.0-2.02.32.22.02.02.02.02.02.12.02.02.00.1Pale. Uneven rowsLooks good. Good tip.Good tip.Bright.Good tip.Yellow.Looks good .Pale. Poor tip dev .Good tip.Bright.AttractiveExcellent tip fill.White.Good tip.Large kernels. Toughhusk.Bicolor? Or Xenia?Uniform. Good tip.Good tip.Bright yellow.White or bico1or.Good tip.Pale. Poor tip.Bicolor. Good tip.Good tip. Yellow.Bright. Looksuniform.White.Good fill.Deep yellow.Pale yellow.Looks poor.Bicolor-white.Good tip.(1) Entries ranked by observed days to first harvest and yield in cwt.(2) 1, poor; 3, excellent.(3) General appearance of husked ears; 1, poor; 3, excellent.(4) 1, under; 3, overmature.TABLE 2.--Average Yield, Ear Size, and other Characteristics of Observational Sweet Corn Entries,Green Springs, 1977.Entry1DaystoSource HarvestMkt. YieldDoz/ Cwt/ %A AHusk 2 Avg.Ear SizeTip2 tight- Wt. Lgth. Dia.Cover ness (lb.) In. In.U · 3 4nl- Avg.formity maturity CommentsI~IEarlivee 12Seneca RxP 27 8Target A 3Sugar Daddy 3Sugar Dots 3Reliance 7Wintergreen 2Buttercorn 1Gold Cup 5Kandy Corn 12Comet 2LM8 11Fanfare 9Patriot 9Pageant 9Hallmark 7Sty1epak 3Golden Sweet 12White Delight 13LM11 11Midway 2Silver Treat 1627575757575757577797979798282828383838384841371 103 1002056 170 941572 158 981694 145 941936 136 971533 132 911411 113 981008 69 691977 132 941814 146 911653 136 971330 120 1001371 120 871573 130 941412 130 941411 125 981694 176 891492 135 981653 119 791451 110 922218 188 941734 151 932.53.01 .. 02.02.02.02.02.02.01.02.02.02.02.02.03.03.01.51.22.02.02.02.02.01.02.03.02.02.71.23.01.01.01.02.02.02.01.02.02.02.02.02.0.63 7.0.69 7.1.84 8.7.71 7.9. 59 6.9.72 7.7.67 7.7057 6.7.. 56 7.4.67 8.4.69 8.0.75 8.2. 73 7.8.69 8.0.77 8.1.74 8.9. 87 8.1.75 8.6. 60 8.4.63 8.5.71 8.0.73 8.71.61.72.01.71.61 0 81.51.81.61.71 .. 71.81.91.72.02.01.81.81.51.51.81.82.72.72.52.72 .. 82.51.32.73.0I n.v2.82.92.92.72.82.92.72.72.82.82.71.82.02.02.02.02.02.02.02.02.02.02 .. 02.22.02.52.02.02.02.02.32.22.3Gaps between kernel rows.Large.Good tips.Heavy ears.Fair appearance.Heavy butt.Bicolor. Purple husk .FairBicolor. Poor appearance.Bicolor. Good tips.Good.Purple husk. Mediocre,Easy to husk.Heavy cob .Poor tip development.Bright yellow. Some poor tip fillPoor tip fill.Good .Pale yellow. Poor tips.White.Smal1 cob. O.K .Bland flavor. Uneven rows.Good tips.Bico1or. Poor tips.(1) Entries ranked by observed days to first harvest and yield in cwt. per acre.(2) 1, poor; 3, excellent.(3) General appearance of husked ears: 1, poor; 3, excellent(4) 1, under; 3, overmature.TABLE 3.--U.5. No.1 Yields in-Dozens of Ears per Acre. Green SpringsSweet Corn Trials. 1973-1977. 1Var1ety 1973 1974 1975 1976 1977EARLY AND MEDIUM EARLYSpriteSundanceEar1ikingRoyal CrestSpring GoldHarmonySugar DaddyCommancheYukonBonanzaButter & SugarFanfareBe11ringerGo1de.n EarlipakGolden SensationF.M. Cross Rapid PakPo1arveeMorning SunSeneca 60-11BeaconRXP 193AztecSun ChiefEar1ibe11eRelianceE 4230E 4231Eastern BelleSpring WhiteSeneca PathfinderGold CupMeritSeneca StarApacheExp. 2583J. L. 49Epic (NCX 2004)Silver SensationPreviewTri-Go1dTriumphantTendersweetGrand MasterBravoGoldenrod202217161540200215552195540174016712091183916441835133814141911131713366051219153110346331453927946113216781756124916391766110213461366132711411718194820441960175417061815176615361863164517422020MIDSEASON2117177819112105147617541863-5-1239136612981434132711121678138614931229118116001132211714931786154211191824152214419271925125016332399TABLE 3.--U.S. No. 1 Yields in "Dozens of Ears per Acre. Green SpringsSweet Corn Trials. 1973-1977 (cont. )Varietyl 1973 1974 1975 1976 1977Northern Belle L. 1839Goldie 1880Top Style 1562Gold Crown 2316Gold Winner 1519 1703NK-199 1522Seneca Scout 1851 1561Sugar Loaf 1659 2127Sugar Dots 1103Jubilee 1915Cherokee 2238WH 115 1834RXP 218 1572LATE70-2070 1688 1865Pageant 1366Comet 1317E 4219 1229Resister 1434 2046Hallmark 1327Salute 1317Sweet Sue 1385 1706 1610 166370-2367 1463White Delight 2088Bi-Queen 2081 1776Winter Market 1718RXP 199 2250Style Pak 1645Capitan 1551 2165 1986Seneca Chief 2165Silver In Gold 1434SensationMoonglow 1414Commander 1453 1592Glacier 1239Golden Shipper 2115Midway 1982Golden Queen 1465Honey Cross 1793Victory Golden 1815 1814YW 1465 1461Seneca RXP 223 2137W 9625 2530H 445 2328Seneca RXP 214 2147Sensation 95 2137WH 1234 2086-6-TABLE 3.--U.S. No. 1 Yields in Dozens of Ears per Acre. Green SpringsSweet Corn Trials. 1973-1977 (cont.)Variety 1Average1973175219741298197518681976146619771839(1) Seasonal classifications are only approximate and based primarily on performanceat Green Springs.S~444-7-1-78-300This page intentionally blank.This page intentionally blank.This page intentionally blank.

Green Springs Sweet Corn Variety Trials, 1977

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Green Springs Sweet Corn Variety Trials, 1977

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