| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 28 | | WHEAT.PLOIDY.ABERDEEN | PI 166883 TR06ID SD | Not Available |
| DISEASE | Barley Yellow Dwarf Virus UR | Reaction to Barley Yellow Dwarf Virus - Urbana. | 6 - (1 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.BYDV.URBANA.89 | PI 166883 TR75AZ 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.87 | PI 166883 TR75AZ 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.87 | PI 166883 TR75AZ 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.87 | PI 166883 TR75AZ 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. | 50 | | WHEAT.STRIPERUST.PULLMAN.87 | PI 166883 TR75AZ SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | S - SPRING | | WHEAT.HABIT.ABERDEEN.01 | PI 166883 TR99ID 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. | 90 | | WHEAT.AGRON.ABERDEEN.85 | PI 166883 TR75AZ 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. | 2.669 | | WHEAT.AGRON.MARICOPA.04 | PI 166883 TR99ID 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 166883 TR75AZ SD | Not Available |
| INSECT | Hessian Fly Biotype C | Reaction to Hessian fly Biotype C (Mayetiola destructor). | 9 - SUSCEPTIBLE (81-100% S) | | WHEAT.HESSIANFLY.WLAF.87 | PI 166883 TR75AZ SD | Not Available |
| INSECT | Hessian Fly Biotype E | Reaction to Hessian fly Biotype E (Mayetiola destructor). | 9 - SUSCEPTIBLE (81-100% S) | | WHEAT.HESSIANFLY.WLAF.87 | PI 166883 TR75AZ 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 166883 TR75AZ 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 166883 TR75AZ SD | Not Available |
| MORPHOLOGY | Spike Density | Visual measure of spike density. | 7 - (1 = LAX, 9 = VERY DENSE) | | WHEAT.AGRON.ABERDEEN.24 | | Not Available |
| MORPHOLOGY | Spike Type | Shape characteristic of typical mature spikes. | 3 - OBLONG | | WHEAT.AGRON.ABERDEEN.85 | PI 166883 TR75AZ SD | Not Available |
| MORPHOLOGY | Glume Pubescence | Type and extent of glume pubescence. | 1 - ABSENT | | WHEAT.AGRON.ABERDEEN.85 | PI 166883 TR75AZ SD | Not Available |
| MORPHOLOGY | Leaf Pubescence | Type and extent of leaf pubescence. | 1 - ABSENT | | WHEAT.AGRON.ABERDEEN.85 | PI 166883 TR75AZ SD | Not Available |
| MORPHOLOGY | Glume Color | Color of the glumes. | 7 - TAN | | WHEAT.AGRON.ABERDEEN.24 | | Not Available |
| MORPHOLOGY | Kernel Color | Color of the kernels. | 7 - TAN | | WHEAT.LAB.ABERDEEN.09B | PI 166883 TR06ID SD | Not Available |
| MORPHOLOGY | Awn Color | Color of the awns. | 7 - TAN | | WHEAT.AGRON.ABERDEEN.24 | | Not Available |
| MORPHOLOGY | Awn Type | Type and extent of the awns. | 1 - AWNED | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Straw Breakage | Estimated amount of straw breakage at maturity. | 1 - NO BREAKAGE | | WHEAT.AGRON.ABERDEEN.85 | PI 166883 TR75AZ SD | Not Available |
| MORPHOLOGY | Straw Lodging | Estimated amount of plant lodging near maturity. | 3 - (1 = NO LODGING, 9 = ALL PLANTS FLAT) | | WHEAT.AGRON.ABERDEEN.85 | PI 166883 TR75AZ SD | Not Available |
| PHENOLOGY | Days to Anthesis | Days from January 1 (Julian) when 50% of the spikes are fully exserted from the boot. See also related descriptor Days to Flowering. | 214 | | WHEAT.AGRON.ABERDEEN.85 | PI 166883 TR75AZ 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. | 1.383 | | WHEAT.AGRON.MARICOPA.04 | PI 166883 TR99ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 44.4 | | WHEAT.LAB.ABERDEEN.09B | PI 166883 TR06ID SD | Not Available |