| CYTOLOGIC | Chromosome Number | Laboratory determination of chromosome number. | 42 | | WHEAT.PLOIDY.ABERDEEN | PI 337642 TR01ID 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. | 52.0 | | WHEAT.DBUNT.GREENCANYON.99 | PI 337642 TR92AZ SD | Not Available |
| DISEASE | Powdery Mildew | Reaction to Powdery Mildew (incited by Erysiphe graminis f.sp. Tritici). Rated at Feekes growth stage GS 10.3. | 5 - 1-5% leaf area affected on second leaf | | WHEAT.PMILDEW.RALEIGH.96 | PI 337642 TR92AZ SD | Not Available |
| DISEASE | Stagonospora Nodorum Blotch | Reaction to Stagonospora nodorum (Phaeosphaeria nodorum). | 9 - SUSCEPTIBLE | | WHEAT.SEPNODORUM.BOZEMAN | PI 337642 TR 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. | 5 - INTERMEDIATE | | WHEAT.STRIPERUST.MTVERNON.W99 | PI 337642 TR92AZ 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. | 5 - INTERMEDIATE | | WHEAT.STRIPERUST.PULLMAN.98 | PI 337642 TR92AZ 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.98 | PI 337642 TR92AZ SD | Not Available |
| DISEASE | Stripe Rust Seedling React 20 | Reaction to Stripe Rust PST 20 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 337642 TR SD | Not Available |
| DISEASE | Stripe Rust Seedling React 27 | Reaction to Stripe Rust PST 27 (incited by Puccinia striiformis) in the seedling plant stage. | 8 - SUSCEPTIBLE | | WHEAT.STRIPERUST.PULLMAN.GH.85 | PI 337642 TR 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.98 | PI 337642 TR92AZ 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.98 | PI 337642 TR92AZ 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.98 | PI 337642 TR92AZ 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. | 20 | | WHEAT.STRIPERUST.MTVERNON.W99 | PI 337642 TR92AZ 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. | 20 | | WHEAT.STRIPERUST.PULLMAN.98 | PI 337642 TR92AZ 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.) | 60 | | WHEAT.STEMRUST.CDL.16 | PI 337642 TR01ID 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.) | MSS - MS and S infection responses on same stem with majority MS. | | WHEAT.STEMRUST.CDL.16 | PI 337642 TR01ID SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | W - WINTER | | WHEAT.HABIT.ABERDEEN.91 | PI 337642 TR 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. | 1.788 | | WHEAT.AGRON.MARICOPA.03 | PI 337642 TR01ID 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 337642 TR92AZ 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 337642 TR 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. | 5 - 40% LEAF CHLOROTIC, CHLOROTIC SPOTS BEGIN TO COALESCE OR DEFINITE STREAKING OCCURS. | | WHEAT.RWA.STILLWATER.89 | PI 337642 TR 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. | 4 - 25% LEAF CHLOROTIC - SOME STREAKING MAY BECOME APPARENT, ESPECIALLY ALONG TH EMIDRIB. | | WHEAT.RWA.FTCOLLINS.03 | PI 337642 TR01ID 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. | F - LEAVES ARE FLAT, NO APPARENT ROLLING | | WHEAT.RWA.STILLWATER.89 | PI 337642 TR 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.03 | PI 337642 TR01ID SD | Not Available |
| MORPHOLOGY | Spike Density | Visual measure of spike density. | 6 - (1 = LAX, 9 = VERY DENSE) | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Glume Color | Color of the glumes. | 3 - BROWN | | WHEAT.LAB.ABERDEEN.18 | | Not Available |
| MORPHOLOGY | Kernel Color | Color of the kernels. | 3 - BROWN | | WHEAT.LAB.ABERDEEN.08A | PI 337642 TR01ID SD | Not Available |
| MORPHOLOGY | Awn Color | Color of the awns. | 3 - BROWN | | 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. | 1.624 | | WHEAT.AGRON.MARICOPA.03 | PI 337642 TR01ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a 30ml volume sample size.
| 46.1 | | WHEAT.LAB.ABERDEEN.08A | PI 337642 TR01ID SD | Not Available |