| 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. | 2.9 | | MAIZE.NIR.DUPONT-PIONEER.2000 | PI 181990 66ncai01 SD | |
| DISEASE | Northern Leaf Blight | Leaf response to northern leaf blight organism (Exserhilum turcicum [Pass.] Leonard & Suggs - previous name was Helminthosporium turcicum. | 8 - 8 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. | 9 - MOST PLANTS INFECTED; LARGE GALLS; SEVERE INJURY. | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| DISEASE | Diplodia Stalk Rot | STALK RESPONSE TO DIPLODIA STALK ROT ORGANISM (Diplodia maydis (Berc.) Sacc.) | 9 - 96-100% OF INOCULATED INTERNODE ROTTED | | MAIZE.DIPLODIA.MULT | | 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). | 210.00000 | | MAIZE.INC.AMES.COMPOSITE.DATA | | 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. | 6 - (6) Susceptible. Several leaves with elongated lesions about one-inch | | 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 | 5 - (5) Two rings or nodes of roots completely destroyed. | | 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. | 95 | | MAIZE.ROOTWORM.AMES.MULT | | Not Available |
| INSECT | Rootworm Caused Root Size | ROOTWORM RELATED ROOT SIZE GROWTH | 6 - (1 = LARGE ROOT SYSTEM, 9 = SMALL ROOT SYSTEM) | | MAIZE.ROOTWORM.AMES.MULT | | Not Available |
| INSECT | Black Cutworm | RESISTANCE TO BLACK CUTWORM | 8 - (8) (1 = RESISTANT, 9 = SUSCEPTIBLE) | | MAIZE.B.CUTWORM.MULT | | Not Available |
| MORPHOLOGY | Kernel Type | KERNEL TYPE | C - DENT | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Kernel Type | KERNEL TYPE | D - SEMIDENT (1.5%) | 200 | MAIZE.KERNELS_ONLY | PI 181990 66ncai01 SD | |
| MORPHOLOGY | Kernel Type | KERNEL TYPE | E - SEMIFLINT (98.5%) | 200 | MAIZE.KERNELS_ONLY | PI 181990 66ncai01 SD | |
| MORPHOLOGY | Kernel Type | KERNEL TYPE | F - FLINT | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Kernel Color | KERNEL COLOR | B - YELLOW | | 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. | 10 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Ear Length | LENGTH OF THE EAR IN CENTIMETERS. | 19 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Cob Color | COLOR OF THE COB | 1 - WHITE | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Upper Kernel Shape | SHAPE OF THE UPPER SURFACE OF THE KERNEL. | 2 - INDENTED (1.5%) | 200 | MAIZE.KERNELS_ONLY | PI 181990 66ncai01 SD | |
| MORPHOLOGY | Upper Kernel Shape | SHAPE OF THE UPPER SURFACE OF THE KERNEL. | 4 - ROUNDED (98.5%) | 200 | MAIZE.KERNELS_ONLY | PI 181990 66ncai01 SD | |
| MORPHOLOGY | Ear Number | NUMBER OF EARS WITH KERNELS ON THE MAIN STEM | 1.5 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| MORPHOLOGY | Husk Length | LENGTH OF HUSK BEYOND OR BELOW THE TIP OF THE EAR IN CENTIMETERS. VALUE CAN BE NEGATIVE WHEN THE HUSK DOES NOT COVER THE EAR TIP. | 9 | | 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. | 11 | | MAIZE.INC.AMES.COMPOSITE.DATA | | 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 | 2 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| 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 (100%) | 200 | MAIZE.KERNELS_ONLY | PI 181990 66ncai01 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 (85%) | 200 | MAIZE.KERNELS_ONLY | PI 181990 66ncai01 SD | |
| MORPHOLOGY | Pericarp Color | THE COLOR AND THE PATTERN OF THE PERICARP. THE FIRST NUMBER IS THE COLOR, THE SECOND NUMBER IS THE PATTERN. | 63 - ORANGE / HALO (15%) | 200 | MAIZE.KERNELS_ONLY | PI 181990 66ncai01 SD | |
| 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. | 61 | | MAIZE.INC.AMES.COMPOSITE.DATA | | Not Available |
| PRODUCTION | 1000 Kernel Weight | The weight of 1000 kernels measured in grams, preferably with the weight adjusted to 10% moisture content. | 304 | | MAIZE.INC.AMES.1966 | PI 181990 66ncai01 SD | |