| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 42 | | WHEAT.PLOIDY.ABERDEEN | PI 264990 TR09ID SD | |
| DISEASE | Fusarium Head Blight - Scab | Reaction to Fusarium Head Blight (Scab). Disease index (expressed as a percent) =incidence x severity/100. Incidence=% infected spikes in the sample (non-zero spikes/total spikes evaluated x 100). Severity=% of infected spikelets per spike. | 73 | | WHEAT.SCAB.BROOKINGS.01 | | Not Available |
| DISEASE | Common Bunt Multiple III | Reaction to Common Bunt Multiple III (incited by Tilletia tritici and T. laevis), expressed as a percent of the susceptible check. | 100 | | WHEAT.CBUNT.ABERDEEN.01 | PI 264990 TR98ID 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.S04 | PI 264990 TR98ID 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.S04 | PI 264990 TR98ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 10 | Reaction to Stripe Rust PST 100 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.04A | PI 264990 TR98ID 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.04A | PI 264990 TR98ID 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.04A | PI 264990 TR98ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 43 | Reaction to Stripe Rust PST 43 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.04A | PI 264990 TR98ID 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.04A | PI 264990 TR98ID 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. | 40 | | WHEAT.STRIPERUST.MTVERNON.S04 | PI 264990 TR98ID 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. | 70 | | WHEAT.STRIPERUST.PULLMAN.S04 | PI 264990 TR98ID SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | S - SPRING | | WHEAT.HABIT.ABERDEEN.00 | PI 264990 TR98ID 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. | 2.039 | | WHEAT.AGRON.MARICOPA.01 | PI 264990 TR98ID 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 264990 TR69AZ 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 264990 TR69AZ 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.92 | PI 264990 TR69AZ 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.92 | PI 264990 TR69AZ SD | Not Available |
| MORPHOLOGY | Spike Density | Visual measure of spike density. | 5 - (1 = LAX, 9 = VERY DENSE) | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Glume Color | Color of the glumes. | 7 - TAN | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Kernel Color | Color of the kernels. | 3 - BROWN | | WHEAT.LAB.ABERDEEN.08A | PI 264990 TR98ID 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. | 1.288 | | WHEAT.AGRON.MARICOPA.01 | PI 264990 TR98ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 45.9 | | WHEAT.LAB.ABERDEEN.08A | PI 264990 TR98ID SD | Not Available |