| DISEASE | Net Blotch | Reaction to Net Blotch (incited by Pyrenophora teres). | 3 - (1 = RESIS, 9 = SUSC) | | BARLEY.NETBLOTCH.FARGO.89 | CIho 2591 HO89ID SD | Not Available |
| DISEASE | Spot Blotch | Reaction to Spot Blotch (incited by Cochliobolus sativus). | 7 - (1 = RESIS, 9 = SUSC) | | BARLEY.SPOTBLOTCH.FARGO.GH.89 | CIho 2591 HO89ID SD | Not Available |
| DISEASE | Barley Yellow Dwarf Virus | Reaction to Barley Yellow Dwarf Virus. | 7 - (1 = RESIS, 9 = SUSC) | | BARLEY.BYDV.URBANA.95 | CIho 2591 HO89ID SD | Not Available |
| DISEASE | Stripe Rust Severity | Severity of Stripe Rust (incited by Puccinia striiformis). See also Stripe Rust Reaction descriptor. | 30 | | BARLEY.STRIPERUST.BOLIVIA.94 | CIho 2591 HO89ID SD | Not Available |
| DISEASE | Stripe Rust Reaction | Reaction to Stripe Rust (incited by Puccinia striiformis). See also Stripe Rust Severity descriptor. | S - SUSCEPTIBLE | | BARLEY.STRIPERUST.BOLIVIA.94 | CIho 2591 HO89ID SD | Not Available |
| DISEASE | BSMV Free | Kernels free of Barley Stripe Mosaic Virus, based on visual and ELISA evaluations. | Y - YES, ABSENCE OF BSMV | | BARLEY.BSMV.ABERDEEN.FARGO.89 | CIho 2591 HO89ID SD | Not Available |
| GROWTH | Growth Habit | Growth habit, based on a spring planting. | S - SPRING | | BARLEY.HABIT.ABERDEEN.03 | CIho 2591 HO89ID SD | Not Available |
| INSECT | Russian Wheat Aphid Chlorosis | Reaction to the Russian Wheat Aphid (Diuraphis noxia). Amount of chlorosis. See RWA Leafroll descriptor, also. | 9 - PLANT DEATH OR NO RECOVERY POSSIBLE | | BARLEY.RWA.STILLWATER.91 | CIho 2591 HO89ID SD | Not Available |
| INSECT | Russian Wheat Aphid Leafroll | Reaction to the Russian Wheat Aphid (Diuraphis noxia). Leafrolling symptoms. See RWA Chlorosis descriptor, also. | R - LEAVES ROLLED, LOOSELY TO TIGHTLY | | BARLEY.RWA.STILLWATER.91 | CIho 2591 HO89ID SD | Not Available |
| INSECT | Cereal Leaf Beetle | Reaction to Cereal Leaf Beetle (Oulema melanopus), based on larval feeding damage. | 3 - Over 40% foliage eaten | | BARLEY.CLB.MICHIGAN.63.70 | CIho 2591 HO89ID SD | Not Available |
| MORPHOLOGY | Spike Row Number | Spike row number characteristic. | 6 - SIX ROWED | | BARLEY.EVAL.NSGC | CIho 2591 HO89ID SD | Not Available |
| MORPHOLOGY | Lemma Color | Color of the lemma or hull cover. | 7 - TAN | | BARLEY.LAB.ABERDEEN.10 | CIho 2591 HO09ID SD | |
| MORPHOLOGY | Hull Cover | Adherence of the lemma and palea to the caryopsis. | 1 - COVERED | | BARLEY.EVAL.NSGC | CIho 2591 HO89ID SD | Not Available |
| PRODUCTION | 1000 Kernel Weight | Thousand kernel weight, based on a count of 250 or more. Expressed in grams. | 36 | | BARLEY.LAB.ABERDEEN.10 | CIho 2591 HO09ID SD | |