| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 28 | | WHEAT.PLOIDY.ABERDEEN | PI 251920 TR04ID 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 251920 TR86ID SD | Not Available |
| DISEASE | Stem Rust Adult - Rosemount | Reaction to Stem Rust (incited by Puccinia graminis f.sp. tritici) in the adult growth stage in the field. Grown in Rosemount. | 3 - (0 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.STEMRUST.ROSEMOUNT.89 | PI 251920 TR86ID SD | Not Available |
| DISEASE | Stem Rust Adult - STPAUL | Reaction to Stem Rust (incited by Puccinia graminis f.sp. tritici) in the adult growth stage in the field. Grown in Rosemount. Grown in St. Paul. | 4 - (0 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.STEMRUST.STPAUL.89 | PI 251920 TR86ID 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.87 | PI 251920 TR86ID 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. | 0 - RESISTANT, NO SYMPTOMS | | WHEAT.STRIPERUST.PULLMAN.87 | PI 251920 TR86ID 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.87 | PI 251920 TR86ID 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. | 0 | | WHEAT.STRIPERUST.PULLMAN.87 | PI 251920 TR86ID SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | S - SPRING | | WHEAT.HABIT.ABERDEEN.01 | PI 251920 TR86ID 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. | 105 | | WHEAT.AGRON.ABERDEEN.86 | PI 251920 TR86ID 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. | 1.951 | | WHEAT.AGRON.MARICOPA.04 | PI 251920 TR86ID 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 251920 TR86ID SD | Not Available |
| INSECT | Hessian Fly Biotype C | Reaction to Hessian fly Biotype C (Mayetiola destructor). | 6 - (1 = RESISTANT, 9 = SUSCEPTIBLE 46-60% S) | | WHEAT.HESSIANFLY.WLAF.87 | PI 251920 TR86ID SD | Not Available |
| INSECT | Hessian Fly Biotype E | Reaction to Hessian fly Biotype E (Mayetiola destructor). | 6 - (1 = RESISTANT, 9 = SUSCEPTIBLE 46-60% S) | | WHEAT.HESSIANFLY.WLAF.87 | PI 251920 TR86ID 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. | 6 - 55% LEAF CHLOROTIC, LARGER CHLOROTIC SPOTS COALESCE. LEAVES START TO "DIE-BACK" FROM TIPS. | | WHEAT.RWA.STILLWATER.90 | PI 251920 TR86ID 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 251920 TR86ID SD | Not Available |
| MORPHOLOGY | Spike Density | Visual measure of spike density. | 6 - (1 = LAX, 9 = VERY DENSE) | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Spike Type | Shape characteristic of typical mature spikes. | 3 - OBLONG | | WHEAT.AGRON.ABERDEEN.86 | PI 251920 TR86ID SD | Not Available |
| MORPHOLOGY | Glume Pubescence | Type and extent of glume pubescence. | 1 - ABSENT | | WHEAT.AGRON.ABERDEEN.86 | PI 251920 TR86ID SD | Not Available |
| MORPHOLOGY | Leaf Pubescence | Type and extent of leaf pubescence. | 1 - ABSENT | | WHEAT.AGRON.ABERDEEN.86 | PI 251920 TR86ID SD | Not Available |
| MORPHOLOGY | Straw Color | Color of straw at maturity. | 7 - TAN | | WHEAT.AGRON.ABERDEEN.86 | PI 251920 TR86ID SD | Not Available |
| MORPHOLOGY | Glume Color | Color of the glumes. | 7 - TAN | | WHEAT.AGRON.ABERDEEN.21 | | Not Available |
| MORPHOLOGY | Kernel Color | Color of the kernels. | 7 - TAN | | WHEAT.LAB.ABERDEEN.09B | PI 251920 TR04ID SD | Not Available |
| MORPHOLOGY | Awn Color | Color of the awns. | 7 - TAN | | WHEAT.AGRON.ABERDEEN.21 | | 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. | 2 - (1 = NO BREAKAGE, 9 = ALL PLANTS) | | WHEAT.AGRON.ABERDEEN.86 | PI 251920 TR86ID SD | Not Available |
| MORPHOLOGY | Straw Lodging | Estimated amount of plant lodging near maturity. | 5 - (1 = NO LODGING, 9 = ALL PLANTS FLAT) | | WHEAT.AGRON.ABERDEEN.86 | PI 251920 TR86ID 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. | 183 | | WHEAT.AGRON.ABERDEEN.86 | PI 251920 TR86ID 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. | 1.286 | | WHEAT.AGRON.MARICOPA.04 | PI 251920 TR86ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 46 | | WHEAT.LAB.ABERDEEN.09B | PI 251920 TR04ID SD | Not Available |