| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 42 | | WHEAT.PLOIDY.ABERDEEN | PI 554451 TR98ID 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. | 15.0 | | WHEAT.DBUNT.GREENCANYON.02 | PI 554451 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. | 0 - RESISTANT, NO SYMPTOMS | | WHEAT.STRIPERUST.MTVERNON.W02 | PI 554451 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.W02 | PI 554451 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.03 | PI 554451 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.03 | PI 554451 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.03 | PI 554451 TR98ID SD | Not Available |
| DISEASE | Stripe Rust Seedling React 78 | Reaction to Stripe Rust PST 78 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.03 | PI 554451 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. | 0 | | WHEAT.STRIPERUST.MTVERNON.W02 | PI 554451 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. | 30 | | WHEAT.STRIPERUST.PULLMAN.W02 | PI 554451 TR98ID 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.) | 80 | | WHEAT.STEMRUST.CDL.12 | PI 554451 TR98ID 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.12 | PI 554451 TR98ID SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | W - WINTER | | WHEAT.HABIT.ABERDEEN.01 | PI 554451 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. | 1.781 | | WHEAT.AGRON.MARICOPA.00 | PI 554451 TR98ID SD | Not Available |
| INSECT | Russian Wheat Aphid Chlorosis2 | Reaction to the Russian Wheat Aphid Biotype 2 (Diuraphis noxia). Amount of chlorosis. See RWA Leafroll descriptor, also. | 9 - PLANT DEATH OR NO RECOVERY POSSIBLE | | WHEAT.RWA.FTCOLLINS.06A | PI 554451 TR98ID SD | Not Available |
| INSECT | Russian Wheat Aphid Leafroll2 | Reaction to the Russian Wheat Aphid Biotype 2 (Diuraphis noxia). Leafrolling symptoms. See RWA Chlorosis descriptor, also. | R - LEAVES ROLLED, LOOSELY TO TIGHTLY | | WHEAT.RWA.FTCOLLINS.06A | PI 554451 TR98ID 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.15 | | Not Available |
| MORPHOLOGY | Straw Color | Color of straw at maturity. | 8 - WHITE/AMBER | | WHEAT.AGRON.ABERDEEN.15 | | 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.09A | PI 554451 TR98ID SD | Not Available |
| MORPHOLOGY | Awn Color | Color of the awns. | 1A - BLACK AND WHITE | | 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. | 1.557 | | WHEAT.AGRON.MARICOPA.00 | PI 554451 TR98ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 43.4 | | WHEAT.LAB.ABERDEEN.09A | PI 554451 TR98ID SD | Not Available |