| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 42 | | WHEAT.PLOIDY.ABERDEEN | PI 266897 TR10CA SD | |
| DISEASE | Soil-Borne Mosaic Virus | Reaction to Soil-Borne Mosaic Virus (vectored by Polymyxa graminis). | 7 - (1 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.SBMV.MANHATTAN.00 | PI 266897 TR90ID 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. | 71.0 | | WHEAT.DBUNT.GREENCANYON.97 | PI 266897 TR90ID 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 266897 TR90ID SD | Not Available |
| DISEASE | Leaf Rust Adult | Reaction to Leaf Rust (incited by Puccinia triticina) in the adult plant stage, measured on the flag leaf. | 8 - SEVERITY => 10%; INFECTION TYPE = S | | WHEAT.LEAFRUSTAD.MANHATTAN.00 | PI 266897 TR90ID 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. | 2 - RESISTANT | | WHEAT.STRIPERUST.MTVERNON.W99 | PI 266897 TR90ID SD | Not Available |
| DISEASE | Stripe Rust Adult Reaction PUL | 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. Grown in Pullman. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.98 | PI 266897 TR90ID 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.98 | PI 266897 TR90ID 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.98 | PI 266897 TR90ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 37 | Reaction to Stripe Rust PST 37 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.98 | PI 266897 TR90ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 43 | Reaction to Stripe Rust PST 43 (incited by Puccinia striiformis) in the seedling plant stage. | 2 - RESISTANT | | WHEAT.STRIPERUST.PULLMAN.GH.98 | PI 266897 TR90ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 45 | Reaction to Stripe Rust PST 45 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.98 | PI 266897 TR90ID 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. | 1 | | WHEAT.STRIPERUST.MTVERNON.W99 | PI 266897 TR90ID SD | Not Available |
| DISEASE | Stripe Rust Adult Severity PUL | 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. Grown in Pullman. | 60 | | WHEAT.STRIPERUST.PULLMAN.98 | PI 266897 TR90ID SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | F - FACULTATIVE | | WHEAT.HABIT.ABERDEEN.00 | PI 266897 TR90ID 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. | 1.943 | | WHEAT.AGRON.MARICOPA.00 | PI 266897 TR90ID 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 266897 TR90ID 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 266897 TR90ID 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 266897 TR90ID 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 266897 TR90ID 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.PARLIER.10 | PI 266897 TR90ID SD | Not Available |
| MORPHOLOGY | Straw Color | Color of straw at maturity. | 8 - WHITE/AMBER | | WHEAT.AGRON.PARLIER.10 | PI 266897 TR90ID SD | Not Available |
| MORPHOLOGY | Glume Color | Color of the glumes. | 7 - TAN | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Kernel Color | Color of the kernels. | 7 - TAN | | WHEAT.LAB.ABERDEEN.08A | PI 266897 TR90ID SD | Not Available |
| MORPHOLOGY | Awn Color | Color of the awns. | 7 - TAN | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Awn Type | Type and extent of the awns. | 1 - AWNED | | 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. | 1.405 | | WHEAT.AGRON.MARICOPA.00 | PI 266897 TR90ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 50.7 | | WHEAT.LAB.ABERDEEN.08A | PI 266897 TR90ID SD | Not Available |