| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 42 | | WHEAT.PLOIDY.ABERDEEN | PI 262637 TR99ID SD | Not Available |
| DISEASE | Soil-Borne Mosaic Virus | Reaction to Soil-Borne Mosaic Virus (vectored by Polymyxa graminis). | 4 - (1 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.SBMV.URBANA.87 | PI 262637 TR76ID SD | Not Available |
| DISEASE | Dwarf Bunt | Reaction to Dwarf Bunt, TCK (causal fungus Tilletia controversa Kuhn), incidence expressed as the number of infected spikes divided by thhe total number of spikes, recorded as a percent of the susceptible check. | 86.0 | | WHEAT.DBUNT.GREENCANYON.02 | PI 262637 TR99ID SD | Not Available |
| DISEASE | Powdery Mildew | Reaction to Powdery Mildew (incited by Erysiphe graminis f.sp. Tritici). Rated at Feekes growth stage GS 10.3. | 4 - > 15% leaf area affected on third leaf | | WHEAT.PMILDEW.RALEIGH.96 | PI 262637 TR76ID SD | Not Available |
| DISEASE | Barley Yellow Dwarf Virus UR | Reaction to Barley Yellow Dwarf Virus - Urbana. | 4 - (1 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.BYDV.URBANA.88.90 | PI 262637 TR76ID 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. | 5 - INTERMEDIATE | | WHEAT.STRIPERUST.MTVERNON.85 | PI 262637 TR76ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 17 | Reaction to Stripe Rust PST 17 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 262637 TR76ID 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 262637 TR76ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 27 | Reaction to Stripe Rust PST 27 (incited by Puccinia striiformis) in the seedling plant stage. | 2 - RESISTANT | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 262637 TR76ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 29 | Reaction to Stripe Rust PST 29 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 262637 TR76ID 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. | 30 | | WHEAT.STRIPERUST.MTVERNON.85 | PI 262637 TR76ID SD | Not Available |
| DISEASE | STEM RUST SEVERITY | Percent severity of stem rust (caused by Puccinia graminis f.sp. tritici) in the adult plant stage. Growth stage is recorded in Comment field. (See also related descriptor STEMRUSTIR.) | 50 | | WHEAT.STEMRUST.CDL.16 | PI 262637 TR99ID SD | Not Available |
| DISEASE | STEM RUST INFECTION RESPONSE | Infection response to stem rust (caused by Puccinia graminis f.sp. tritici) in the adult plant stage. Growth stage is recorded in the Comment field. (See also related descriptor STEMRUSTSV.) | S - Fully Susceptible, expressed as large uredinia. | | WHEAT.STEMRUST.CDL.16 | PI 262637 TR99ID SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | W - WINTER | | WHEAT.HABIT.ABERDEEN.01 | PI 262637 TR99ID 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. | 1.899 | | WHEAT.AGRON.MARICOPA.01 | PI 262637 TR99ID SD | Not Available |
| INSECT | Cereal Leaf Beetle | Reaction to Cereal Leaf Beetle (Oulema melanopus), based on larval feeding damage. | 2 - 15 - 40% FOLIAGE EATEN | | WHEAT.CLB.MICHIGAN.63.70 | PI 262637 TR76ID 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 262637 TR76ID 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. | 7 - 70% LEAF CHLOROTIC, FURTHER SYMPTOMS DEVELOP. | | WHEAT.RWA.STILLWATER.90 | PI 262637 TR76ID 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.90 | PI 262637 TR76ID 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.AGRON.ABERDEEN.16 | | Not Available |
| MORPHOLOGY | Straw Color | Color of straw at maturity. | 8 - WHITE/AMBER | | WHEAT.AGRON.ABERDEEN.16 | | Not Available |
| MORPHOLOGY | Glume Color | Color of the glumes. | 8 - WHITE/AMBER | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Kernel Color | Color of the kernels. | 7 - TAN | | WHEAT.LAB.ABERDEEN.08A | PI 262637 TR99ID SD | Not Available |
| MORPHOLOGY | Awn Color | Color of the awns. | 8 - WHITE/AMBER | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Awn Type | Type and extent of the awns. | 5 - APICALLY AWNLETTED | | WHEAT.LAB.ABERDEEN.18 | | 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. | 1.664 | | WHEAT.AGRON.MARICOPA.01 | PI 262637 TR99ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 30.8 | | WHEAT.LAB.ABERDEEN.08A | PI 262637 TR99ID SD | Not Available |