| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 42 | | WHEAT.PLOIDY.ABERDEEN | PI 191990 TR05ID SD | Not Available |
| DISEASE | Common Bunt Multiple | Reaction to Common Bunt Multiple (incited by Tilletia tritici and T. laevis), expressed as a percent of the susceptible check. | 90 | | WHEAT.CBUNT.ABERDEEN.97 | PI 191990 TR89ID 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. | 4 - (0 = RESISTANT, 9 = SUSCEPTIBLE) | | WHEAT.STEMRUST.ROSEMOUNT.91 | PI 191990 TR89ID 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. | 9 - SUSUCEPTIBLE | | WHEAT.STEMRUST.STPAUL.91 | PI 191990 TR89ID SD | Not Available |
| DISEASE | Stem Rust Seedling HNLQ | Seedling infection types produced by Puccinia graminis f.sp. tritici - HNLQ. | S - VERY SUSCEPTIBLE; UREDIA LARGE AND OFTEN COALESCING, NO NECROSIS BUT CHLOROSIS MAY BE PRESENT | | WHEAT.STEMRUST.GH.91 | PI 191990 TR89ID SD | Not Available |
| DISEASE | Stem Rust Seedling QFBS | Seedling infection types produced by Puccinia graminis f.sp. tritici - QFBS. | S - VERY SUSCEPTIBLE; UREDIA LARGE AND OFTEN COALESCING, NO NECROSIS BUT CHLOROSIS MAY BE PRESENT | | WHEAT.STEMRUST.GH.91 | PI 191990 TR89ID SD | Not Available |
| DISEASE | Stem Rust Seedling RKQS | Seedling infection types produced by Puccinia graminis f.sp. tritici - RKQS. | S - VERY SUSCEPTIBLE; UREDIA LARGE AND OFTEN COALESCING, NO NECROSIS BUT CHLOROSIS MAY BE PRESENT | | WHEAT.STEMRUST.GH.91 | PI 191990 TR89ID SD | Not Available |
| DISEASE | Stem Rust Seedling RTQQ | Seedling infection types produced by Puccinia graminis f.sp. tritici - RTQQ. | S - VERY SUSCEPTIBLE; UREDIA LARGE AND OFTEN COALESCING, NO NECROSIS BUT CHLOROSIS MAY BE PRESENT | | WHEAT.STEMRUST.GH.91 | PI 191990 TR89ID SD | Not Available |
| DISEASE | Stem Rust Seedling TNMK | Seedling infection types produced by Puccinia graminis f.sp. tritici - TNMK. | S - VERY SUSCEPTIBLE; UREDIA LARGE AND OFTEN COALESCING, NO NECROSIS BUT CHLOROSIS MAY BE PRESENT | | WHEAT.STEMRUST.GH.91 | PI 191990 TR89ID SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | S - SPRING | | WHEAT.HABIT.ABERDEEN.00 | PI 191990 TR89ID 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. | 1.818 | | WHEAT.AGRON.MARICOPA.99 | PI 191990 TR89ID 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 191990 TR89ID 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 191990 TR89ID 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 191990 TR89ID 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 191990 TR89ID 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. | 3 - OBLONG | | WHEAT.AGRON.ABERDEEN.23 | | Not Available |
| MORPHOLOGY | Glume Pubescence | Type and extent of glume pubescence. | 1 - ABSENT | | WHEAT.AGRON.ABERDEEN.23 | | Not Available |
| MORPHOLOGY | Straw Color | Color of straw at maturity. | 9 - YELLOW | | WHEAT.AGRON.MARICOPA.99 | PI 191990 TR89ID 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.07B | PI 191990 TR05ID 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. | 1.308 | | WHEAT.AGRON.MARICOPA.99 | PI 191990 TR89ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 42.5 | | WHEAT.LAB.ABERDEEN.07B | PI 191990 TR05ID SD | Not Available |