| CHEMICAL | Lysine | Lysine in the grain, expressed as percent of protein. | 3.13 | | WHEAT.LYSINE.LINCOLN | PI 186404 TR91AZ SD | Not Available |
| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 42 | | WHEAT.PLOIDY.ABERDEEN | PI 186404 TR04ID SD | Not Available |
| DISEASE | Soil-Borne Mosaic Virus | Reaction to Soil-Borne Mosaic Virus (vectored by Polymyxa graminis). | 5 - (1 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.SBMV.URBANA.87 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Stagonospora Nodorum Blotch | Reaction to Stagonospora nodorum (Phaeosphaeria nodorum). | 9 - SUSCEPTIBLE | | WHEAT.SEPNODORUM.BOZEMAN | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Barley Yellow Dwarf Virus UR | Reaction to Barley Yellow Dwarf Virus - Urbana. | 5 - (1 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.BYDV.URBANA.88.90 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Common Bunt Multiple | Reaction to Common Bunt Multiple (incited by Tilletia tritici and T. laevis), expressed as a percent of the susceptible check. | 100 | | WHEAT.CBUNT.ABERDEEN.97 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Stem Rust Adult - STPAUL | Reaction to Stem Rust (incited by Puccinia graminis f.sp. tritici) in the adult growth stage in the field. Grown in Rosemount. Grown in St. Paul. | 7 - (0 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.STEMRUST.STPAUL.93 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Stripe Rust Adult Reaction MTV | Reaction to Stripe Rust (incited by Puccinia striiformis) in the adult plant stage in the field. See also related descriptor Stripe Rust Adult Severity. Grown in Mt. Vernon. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.MTVERNON.85 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Stripe Rust Seedling React 17 | Reaction to Stripe Rust PST 17 (incited by Puccinia striiformis) in the seedling plant stage. | 5 - INTERMEDIATE | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Stripe Rust Seedling React 20 | Reaction to Stripe Rust PST 20 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Stripe Rust Seedling React 27 | Reaction to Stripe Rust PST 27 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Stripe Rust Seedling React 29 | Reaction to Stripe Rust PST 29 (incited by Puccinia striiformis) in the seedling plant stage. | 5 - INTERMEDIATE | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 186404 TR91AZ SD | Not Available |
| DISEASE | Stripe Rust Adult Severity MTV | Percent severity or intensity of Stripe Rust (incited by Puccinia striiformis) in the adult plant stage in the field. See also related descriptor Stripe Rust Adult Reaction. Grown in Mt. Vernon. | 70 | | WHEAT.STRIPERUST.MTVERNON.85 | PI 186404 TR91AZ SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | S - SPRING | | WHEAT.HABIT.ABERDEEN.00 | PI 186404 TR91AZ SD | Not Available |
| GROWTH | Plant Height | Average height of plants at maturity, measured in centimeters from the ground to top of the spike, excluding awns. See also related descriptor Plant Height Ratio. | 125 | | WHEAT.AGRON.MARICOPA.84 | PI 186404 TR91AZ SD | Not Available |
| GROWTH | Plant Height Ratio | Height of the wheat plant from ground to the top of the spike (excluding awns) at maturity. Expressed as a ratio of the check entry. See also related descriptor Plant Height. | 2.024 | | WHEAT.AGRON.MARICOPA.00 | PI 186404 TR91AZ SD | Not Available |
| INSECT | Cereal Leaf Beetle | Reaction to Cereal Leaf Beetle (Oulema melanopus), based on larval feeding damage. | 3 - OVER 40% FOLIAGE EATEN | | WHEAT.CLB.MICHIGAN.63.70 | PI 186404 TR91AZ SD | Not Available |
| INSECT | Hessian Fly Biotype GP | Reaction to Hessian fly Biotype GP (Mayetiola destructor). | 9 - SUSCEPTIBLE (81-100% S) | | WHEAT.HESSIANFLY.WLAF.92 | PI 186404 TR91AZ SD | Not Available |
| INSECT | Russian Wheat Aphid Chlorosis1 | Reaction to the Russian Wheat Aphid Biotype 1 (Diuraphis noxia). Amount of chlorosis. See RWA Leafroll descriptor, also. | 9 - PLANT DEATH OR NO RECOVERY POSSIBLE | | WHEAT.RWA.STILLWATER.93 | PI 186404 TR91AZ SD | Not Available |
| INSECT | Russian Wheat Aphid Leafroll1 | Reaction to the Russian Wheat Aphid Biotype 1 (Diuraphis noxia). Leafrolling symptoms. See RWA Chlorosis descriptor, also. | R - LEAVES ROLLED, LOOSELY TO TIGHTLY | | WHEAT.RWA.STILLWATER.93 | PI 186404 TR91AZ SD | Not Available |
| MORPHOLOGY | Spike Density | Visual measure of spike density. | 4 - (1 = LAX, 9 = VERY DENSE) | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Spike Type | Shape characteristic of typical mature spikes. | 1 - FUSIFORM | | WHEAT.LAB.ABERDEEN.13 | PI 186404 TR04ID SD | Not Available |
| MORPHOLOGY | Glume Pubescence | Type and extent of glume pubescence. | 1 - ABSENT | | WHEAT.AGRON.MARICOPA.84 | PI 186404 TR91AZ SD | Not Available |
| MORPHOLOGY | Leaf Pubescence | Type and extent of leaf pubescence. | 1 - ABSENT | | WHEAT.AGRON.MARICOPA.84 | PI 186404 TR91AZ SD | Not Available |
| MORPHOLOGY | Straw Color | Color of straw at maturity. | 9 - YELLOW | | WHEAT.AGRON.MARICOPA.84 | PI 186404 TR91AZ SD | Not Available |
| MORPHOLOGY | Glume Color | Color of the glumes. | 8 - WHITE/AMBER | | WHEAT.AGRON.ABERDEEN.21 | | Not Available |
| MORPHOLOGY | Kernel Color | Color of the kernels. | 7 - TAN | | WHEAT.LAB.ABERDEEN.08A | PI 186404 TR04ID SD | Not Available |
| MORPHOLOGY | Awn Color | Color of the awns. | 8 - WHITE/AMBER | | WHEAT.AGRON.ABERDEEN.21 | | Not Available |
| MORPHOLOGY | Awn Type | Type and extent of the awns. | 3 - AWNLETTED | | WHEAT.AGRON.ABERDEEN.21 | | Not Available |
| MORPHOLOGY | Straw Breakage | Estimated amount of straw breakage at maturity. | 1 - NO BREAKAGE | | WHEAT.AGRON.MARICOPA.84 | PI 186404 TR91AZ SD | Not Available |
| MORPHOLOGY | Straw Lodging | Estimated amount of plant lodging near maturity. | 9 - ALL PLANTS FLAT | | WHEAT.AGRON.MARICOPA.84 | PI 186404 TR91AZ SD | Not Available |
| PHENOLOGY | Days to Flowering | Number of days from January 1 (inclusive) when 50% of the spikes are fully exserted from the boot. Expressed as a ratio of the check entry. See also related descriptor Days to Anthesis. | 1.542 | | WHEAT.AGRON.MARICOPA.00 | PI 186404 TR91AZ SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 43.5 | | WHEAT.LAB.ABERDEEN.08A | PI 186404 TR04ID SD | Not Available |