| CHEMICAL | Oil Percentage | Whole kernel oil concentration corrected to a standard moisture level (dry weight basis). Value is expressed in percent oil. The method of obtaining the value is described in the method record and may be by calibrated NIR or using wet lab procedures. | 5.2 | | MAIZE.NIR.DUPONT-PIONEER.2000 | PI 204800 67ncai01 SD | Not Available |
| DISEASE | Northern Leaf Blight | Leaf response to northern leaf blight organism (Exserhilum turcicum [Pass.] Leonard & Suggs - previous name was Helminthosporium turcicum. | 7 - 7 on a scale 0 = No symptoms observed, 9 = Severe disease development | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| DISEASE | Common Rust | Leaf Response to common rust organism (Puccinia sorghi Schwein.). The trait is coded 1-9 with 1 representing the most resistant response and 9 the most susceptible response.
| 7 - (7) (0 = NO SYMPTOMS, 9 = SEVERE DISEASE DEVLOPMENT) | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| DISEASE | Common Smut | Plant response to the common smut organism (Ustilago zeae(Beckm.) Unger = U. maydis (DC.) Corda)). The trait is coded 1-9 with 1 representing the most resistant response and 9 the most susceptible response. | 7 - MANY PLANTS INFECTED; MOST GALLS LARGE. | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| DISEASE | Diplodia Stalk Rot | STALK RESPONSE TO DIPLODIA STALK ROT ORGANISM (Diplodia maydis (Berc.) Sacc.) | 8 - (0 = NO SYMPTOMS, 9 = SEVERE DISEASE DEVLOPMENT) | | MAIZE.DIPLODIA.MULT | | Not Available |
| DISEASE | Stewarts Wilt | Plant response to the Stewart's wilt organism (Pantoea stewartii subsp. stewartii (Smith) Mergaert, Verdonck & Kersters) formerly called (Erwinia stewartii (Smith) Dye ). The trait is coded 1-9 with 1 representing the most resistant response and 9 the most susceptible response. | 4 - (4) Abundant spread bi-directionally in inoculated leaves only. | 19 | MAIZE.STEWARTS.NCRPIS.2001 | PI 204800 67ncai01 SD | Not Available |
| DISEASE | Eyespot | LEAF RESPONSE TO EYESPOT ORGANISM (Aureobasidiumzeae (Narita & Hiratsuka) J.M. Dingley = Kabatiella zeae Narita & Hiratsuka) | 3 - (3) Numerous lesions on leaves below the ear, but no evidence of lesion coalescence. | 2 | MAIZE.EYESPOT.ISU.2000 | PI 204800 67ncai01 SD | Not Available |
| DISEASE | Northern Leaf Blight Race O | Leaf response to northern leaf blight race O organism (Exserhilum turcicum [Pass.] Leonard & Suggs - previous name was Helminthosporium turcicum. | 7 - (7) (0 = NO SYMPTOMS OBSERVED, 9 = SEVERE DISEASE DEVELOPMENT) | 2 | MAIZE.NCLB.ISU.2000 | PI 204800 67ncai01 SD | Not Available |
| GROWTH | Plant Height | Height of the plant from ground level to the top of the tassel at full growth measured in centimeters (cm). | 240.00000 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| GROWTH | Plant Height | Height of the plant from ground level to the top of the tassel at full growth measured in centimeters (cm). | 246.00000 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| GROWTH | Plant Vigor | Visual rating of plant vigor. Rating is based on plant height, breadth, biomass accumulation, and color. | 1 - GOOD | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| INSECT | European Corn Borer Gen1 | RESISTANCE TO THE FIRST GENERATION OF EUROPEAN CORN BORER. | 9 - (9) Mostly susceptible. Long lesions on most all leaves | | MAIZE.ECB1.AMES.MULT | | Not Available |
| INSECT | European Corn Borer Gen2 | RESISTANCE TO THE SECOND GENERATION OF EUROPEAN CORN BORER. | 7 - (7) (1 = RESISTANT, 9 = SUSCEPTIBLE | | MAIZE.ECB2.AMES.MULT | | Not Available |
| INSECT | Rootworm Root Damage | ROOT DAMAGE FROM ROOTWORM FEEDING | 3 - (3) One to several roots eaten off within 1-1/2 inches. | | MAIZE.ROOTWORM.AMES.MULT | | Not Available |
| INSECT | Rootworm Plant Lodging | ROOTWORM RELATED PLANT LODGING. AVERAGE PERCENT OF PLANTS LODGED MORE THAN 30 DEGREES FROM VERTICAL. | 78 | | MAIZE.ROOTWORM.AMES.MULT | | Not Available |
| INSECT | Rootworm Caused Root Size | ROOTWORM RELATED ROOT SIZE GROWTH | 5 - (1 = LARGE ROOT SYSTEM, 9 = SMALL ROOT SYSTEM) | | MAIZE.ROOTWORM.AMES.MULT | | Not Available |
| INSECT | Rootworm Secondary Root Growth | ROOTWORM RELATED SECONDARY ROOT GROWTH | 5 - (1 = PROFUSE, THICK SECONDARY ROOTS, 9 = NO APPRECIABLE SECONDARY ROOTS) | | MAIZE.ROOTWORM.AMES.MULT | | Not Available |
| INSECT | Spider Mite | SPIDERMITE RATING | 9 - (9) Susceptible. | | MAIZE.SPIDERMIT.MULT | | Not Available |
| INSECT | Black Cutworm | RESISTANCE TO BLACK CUTWORM | 6 - (6) (1 = RESISTANT, 9 = SUSCEPTIBLE) | | MAIZE.B.CUTWORM.MULT | | Not Available |
| MORPHOLOGY | Tassel Type | Classification of the amount of tassel branching from no branching to beyond tertiary tassel branching. | 3 - Branching to tertiary tassel branches only. No branches on tertiary branches. (100%) | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Peduncle Height | Distance from ground level to the node where the tassel emerges on the central stalk. | 199 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Bottom Tassel Branch Height | Distance from ground level to the insertion point on the tassel stem of the bottom tassel branch of the central stalk. | 215 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Top Tassel Branch Height | Distance from ground level to the insertion point on the tassel stem of the upper most tassel branch of the central stalk. | 229 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Node Number Above the Ear | Number of Nodes on the main stalk starting at the node above the ear node up to and including the peduncle node. | 5 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Kernel Type | KERNEL TYPE | G - POP | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Kernel Type | KERNEL TYPE | G - POP (100%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Kernel Color | KERNEL COLOR | A - WHITE | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Kernel Color | KERNEL COLOR | A - WHITE (85%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Kernel Color | KERNEL COLOR | C - PURPLE | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Kernel Color | KERNEL COLOR | C - PURPLE (10%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Kernel Color | KERNEL COLOR | K - BLUE (5%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Kernel Row Arrangement | ARRANGEMENT OF KERNEL ROWS FROM THE BASE TO THE TIP OF THE EAR. | 1 - REGULAR (100%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Kernel row Number | NUMBER OF KERNEL ROWS COUNTED ON THE CENTRAL PART OF THE UPPERMOST EAR ON THE PLANT. | 18 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Kernel row Number | NUMBER OF KERNEL ROWS COUNTED ON THE CENTRAL PART OF THE UPPERMOST EAR ON THE PLANT. | 20 (0%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Ear Length | LENGTH OF THE EAR IN CENTIMETERS. | 15 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Ear Length | LENGTH OF THE EAR IN CENTIMETERS. | 15.5 (0%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Ear Diameter | DIAMETER OF THE EAR IN CENTIMETERS MEASURED AT THE CENTRAL PART OF THE UPPERMOST EAR ON THE PLANT. | 3.8 (0%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Ear Height | HEIGHT OF THE TOP EAR ON THE CENTRAL STALK FROM GROUND LEVEL TO THE NODE WHERE THE EAR ATTACHES TO THE STALK. | 112 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Cob Color | COLOR OF THE COB | 1 - WHITE | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Cob Color | COLOR OF THE COB | 1 - WHITE (100%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Upper Kernel Shape | SHAPE OF THE UPPER SURFACE OF THE KERNEL. | 5 - POINTED (25%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Upper Kernel Shape | SHAPE OF THE UPPER SURFACE OF THE KERNEL. | 6 - STRONGLY POINTED (75%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Ear Number | NUMBER OF EARS WITH KERNELS ON THE MAIN STEM | 1.5 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Ear Number | NUMBER OF EARS WITH KERNELS ON THE MAIN STEM | 2 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Node Number | Number of Nodes on the main stalk from ground level up to and including the peduncle node. | 12 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Node Number | Number of Nodes on the main stalk from ground level up to and including the peduncle node. | 13 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Root Lodging | VISUAL RATING OF PLANTS LEANING FROM THE VERTICAL DUE TO ROOT LODGING | 1 - FEW STALKS BROKEN/LODGED | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Tiller Number | NUMBER OF TILLERS PER PLANT | 0.5 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Tiller Number | NUMBER OF TILLERS PER PLANT | 2 | 10 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 67ncai01 SD | Not Available |
| MORPHOLOGY | Endosperm Color | COLOR OF THE HARD ENDOSPERM LAYER | 1 - WHITE (100%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Ear Shape | SHAPE OF THE UPPERMOST EAR | 2 - CYLINDRICAL - CONICAL (60%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Ear Shape | SHAPE OF THE UPPERMOST EAR | 5 - FASCIATED (40%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Aleurone Color | The color and pattern of the kernel aleurone layer. The first entry represents the color and the second number represents the pattern of that color. | 11 - COLORLESS / UNIFORM (85%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Aleurone Color | The color and pattern of the kernel aleurone layer. The first entry represents the color and the second number represents the pattern of that color. | 41 - PURPLE / UNIFORM (10%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Aleurone Color | The color and pattern of the kernel aleurone layer. The first entry represents the color and the second number represents the pattern of that color. | 51 - BLUE / UNIFORM (5%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Pericarp Color | THE COLOR AND THE PATTERN OF THE PERICARP. THE FIRST NUMBER IS THE COLOR, THE SECOND NUMBER IS THE PATTERN. | 11 - COLORLESS / UNIFORM (100%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Glume Development | Glume development | 1 - None (100%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| MORPHOLOGY | Colored Silk Scar | Colored Silk Scar | N - Colored silk scar is not present (100%) | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| PHENOLOGY | GDU SILKING C LAT40-49 | Growing degree units (GDU or GDD) from planting to 50% silking in degrees Celsius at latitude 40-49. | 796 | 2 | MAIZE.EYESPOT.ISU.2000 | PI 204800 67ncai01 SD | Not Available |
| PHENOLOGY | Days to Silk 40-49 latitude | Number of days from planting to when silks of 50% of observed plants have emerged where the observations are at latitude 40 to 49 degrees. | 79 | 2 | MAIZE.EYESPOT.ISU.2000 | PI 204800 67ncai01 SD | Not Available |
| PHENOLOGY | Days to Silk 40-49 latitude | Number of days from planting to when silks of 50% of observed plants have emerged where the observations are at latitude 40 to 49 degrees. | 81 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| PHENOLOGY | GDU SILKING F LAT40-49 | Growing degree units (GDU or GDD) from planting to 50% silking in degrees farenheit. Data is taken at 40 to 49 degrees N or S latitude. This (86,50) system uses the equation ((Tmax+Tmin)/2)-50. Tmax to 86 maximum and Tmin to 50 minimum. | 1424 | 2 | MAIZE.EYESPOT.ISU.2000 | PI 204800 67ncai01 SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | The weight of 1000 kernels measured in grams, preferably with the weight adjusted to 10% moisture content. | 1645 | | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| PRODUCTION | 1000 Kernel Weight | The weight of 1000 kernels measured in grams, preferably with the weight adjusted to 10% moisture content. | 165 | 97 | MAIZE.INC.AMES.2018.PLANTING3 | PI 204800 18ncai01 SD | |
| PRODUCTION | 1000 Kernel Weight | The weight of 1000 kernels measured in grams, preferably with the weight adjusted to 10% moisture content. | 181 | | MAIZE.INC.AMES.1967 | PI 204800 67ncai01 SD | Not Available |