| CHEMICAL | Crude protein in the stem | Crude protein in the stem | 15.3 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| CHEMICAL | Crude protein in the leaf | Crude protein in the leaf. | 28.9 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| CYTOLOGIC | Chromosome number | Chromosome number (x = 8) | 32 | 5 | ALFALFA.CHROMNUM.97.BRUMMER | PI 251836 81i SD | |
| DISEASE | Anthracnose | Percent of plants resistant to Anthracnose (Colletotrichum trifolii). | 4.44 | | ALFALFA.ANTHRAC.83.ELGIN | PI 251836 81i SD | |
| DISEASE | Bacterial wilt | Percent of plants resistant to Bacterial wilt. (Corynebacterium insidiosum). | 0 | | ALFALFA.BACTWILT.89.BARNES | PI 251836 81i SD | |
| DISEASE | Spring Black Stem | Disease reaction/rating to Spring Black Stem (Phoma medicaginis) using the Standard Test 1-5 rating scale. Data was taken on a 1 to 5 scale.
1 = Resistant : Healthy, symptom-free top growth
2 = Resistant : Small (<2mm), brown or black lesions or flecks; no defoliation
3 = Susceptible : Larger (2 to 3mm),disrete lesions; lesions may be on leaves and petioles; usually no chlorosis or defoliation
4 = Susceptible : Large (>3mm) lesions; no defoliation;petiole lesions
5 = Susceptible : Lesions > 3mm, fruiting; dead leaves or defoliation | 3.73 | | ALFALFA.SPRBLSTEM.83.LEATH | PI 251836 81i SD | |
| DISEASE | Phytophthora root rot | Percent of plants resistant to Phytophthora Root rot (Phytophthora megasperma). | 9 | | ALFALFA.PHYROOTROT.89.NYGAARD | PI 251836 81i SD | |
| DISEASE | Common leaf spot | Percent of plants resistant to Common Leaf spot (Pseudopeziza medicaginis). | 3.73 | | ALFALFA.LEAFSPOT.83.LEATH | PI 251836 81i SD | |
| DISEASE | Verticillium wilt | Percent of plants resistant to Verticillium wilt (Verticillium albo-atrum). | 1 | | ALFALFA.VERTWILT.84.PEADEN | PI 251836 81i SD | |
| DISEASE | Fusarium wilt | Percent of plants resistant to Fusarium wilt (Fusarium oxysporum). | 47.52 | | ALFALFA.FUSWILT.84.BARNES | PI 251836 81i SD | |
| DISEASE | Lepto spot | Percent of plants resistant to Lepto Spot (Leptosphaerulina briosiana). | 3.53 | | ALFALFA.LEPTOSPOT.83.LEATH | PI 251836 81i SD | |
| DISEASE | Downy mildew | Percent of plants resistant to Downy mildew (Peronospora trifoliorum). | 28 | | ALFALFA.DOWNYMILD.I8.83.STUT | PI 251836 81i SD | |
| DISEASE | Downy mildew | Percent of plants resistant to Downy mildew (Peronospora trifoliorum). | 32.3 | | ALFALFA.DOWNYMILD.I7.83.STUT | PI 251836 81i SD | |
| DISEASE | Stemphylium Leaf spot | Disease reaction/rating to Stemphylium Leaf Spot (Stemphylium botryosum) using the Standard Test 1-5 rating scale. Data was taken on a 1 to 5 scale.
1 = Resistant : Healthy, symptom-free top growth
2 = Resistant : Small (<1mm) brown or black lesions or pepper spots; no defoliation
3 = Susceptible : Larger (1 to 3mm), discreet lesions with necrotic centers; usually no chlorosis or defoliation
4 = Susceptible : Larger (>3mm), target-type lesions or necrotic areas; may have petiole lesions
5 = Susceptible : Lesions > 3mm, chlorosis, defoliation | 4.47 | | ALFALFA.STEMPHLFSP.83.LEATH | PI 251836 81i SD | |
| DISEASE | Aphanomyces | Percent resistant plants to Aphanomyces eutieches. | 7.8 | | ALFALFA.APHAN.88.GRAU | PI 251836 81i SD | |
| DISEASE | Resistance to Rhizoctonia | Percent resistance to Rhizoctonia. | 22.95 | | ALFALFA.RHIZOC.89.VIAND | PI 251836 81i SD | |
| GROWTH | Plant growth habit | Plant growth habit evaluated during the mid stage of the second regrowth (August 8-9). | 7 - SEMI-ERECT (MESILLA) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| GROWTH | Fall growth | Fall growth evaluated by plant height on October 11-12. | 7 - 11-15 CM | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| GROWTH | Crown stem diameter | Diameter of the crown stem | 2 - (1 = NARROW, 5 = WIDE) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| GROWTH | Taproot diameter | Diameter of the taproot | 2 - (1 - <= 5MM, 5 - >= 12.5 MM) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| GROWTH | Secondary root diameter | Secondary root diameter | 2 - (1 = 2-5 MM, 5 = GREATER THAN 12.5 MM) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| GROWTH | Seedling vigor | Seedling vigor visually estimated as plant size during the fourth week after germination. | 7 - (1 = LEAST, 9 = MOST) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| GROWTH | Crown width | Width of the crown | 1 - NARROW | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| INSECT | Pea Aphid | Percent of seedling survival after pea aphid damage. (Acrythosiphon pisum). | 0 | | ALFALFA.PEAAPHID.85.MANG | PI 251836 81i SD | |
| INSECT | Potato Leafhopper | Percent of plant foliage yellowed by Potato Leafhopper (Empoasca fabae). | 4.7 | | ALFALFA.POTLEAFHOP.84.BYERS | PI 251836 81i SD | |
| INSECT | Spotted Alfalfa Aphid | Percent of seedling survival after Spotted Alfalfa aphid damage (Therioaphis maculata). | 0 | | ALFALFA.SPOTALFAPH.85.MANG | PI 251836 81i SD | |
| INSECT | Blue aphid | Percent of seedling survival after Blue aphid damage. (Acyrthosiphon kondoi). | 1.68 | | ALFALFA.BLUEAPHID.84.CADDEL | PI 251836 81i SD | |
| INSECT | Clover Root curculio | Percent of plants resistant to Clover Root Curculio (Sitonia hispidulus). | 13.58 | | ALFALFA.ROOTCURC.86.BYERS | PI 251836 81i SD | |
| MORPHOLOGY | Seed weight 100 | Weight of 100 seeds in grams. | 0.24 | | ALFALFA.SEEDWEIGHT.WRPIS | PI 251836 81i SD | |
| MORPHOLOGY | Seed weight 100 | Weight of 100 seeds in grams. | 0.3 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Leaf size | Leaf size visually estimated on August 30. | 8 - (1 = LEAST, 9 = MOST) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Depth of the crown | Depth of the crown | 1 - SHALLOW | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Crown branching | Branching of the crown | 2 - (1 = LOW, 5 = DEEP) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Crown bud number | Number of crown buds | 1 - FEW | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Crown origin | Origin of the crown | 1 - MANY THIN STEMS ORIGINATE AT THE SAME NARROW POINT | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Secondary root number | Number of secondary roots | 4 - (1 = 0 TO 1, 6 = GREATER THAN OR EQUAL TO 12) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Secondary root position | Secondary root position | 2 - (1 - >= 20 CM BELOW CROWN, 5 - <= 5 CM BELOW CROWN) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Fibrous root mass | Fibrous root mass | 3 - (1 = NONE, 5 = MANY) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Determinate taproot percentage | Determinate taproot percentage | 30 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| MORPHOLOGY | Determinate taproot position | Determinate taproot position | 5 - EQUAL TO OR LESSTHAN 5 CM BELOW CROWN | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| PHENOLOGY | Days to maturity | Number of days between the first and second cut | 25.5 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| PHENOLOGY | Maturity | Visual estimate of the morphological stages of development. | 5 - 5 MEDIUM on 1-9 scale | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| PRODUCTION | Leaf acid detergent fiber | Acid detergent fiber of the leaf taken at maturity | 17.4 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| PRODUCTION | Leaf neutral detergent fiber | Neutral detergent fiber of leaf taken at maturity | 23.3 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| PRODUCTION | Stem acid detergent fiber | Acid detergent fiber of stem taken at maturity | 46.1 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| PRODUCTION | Stem neutral detergent fiber | Neutral detergent fiber of stem taken at maturity | 56 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| PRODUCTION | Seedling year yield | Seedling year yield measured in grams of dry matter per plot. | 230.5 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| PRODUCTION | Stem leaf ratio | Stem leaf ratio | 2.1 | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| STRESS | Salt germination - ic(50) valu | Sodium chloride concentration which inhibits germination of 50% of the viable seed. | -0.53 | | ALFALFA.SALTGERM.88.RUMB | PI 251836 81i SD | |
| STRESS | Acid soil tolerance | Ratio of root dry weight below 1 inch in acid soil to root dry weight below 1 inch in lime soil. Data is compared to an acid tolerant check. | 0.88 | | ALFALFA.ACIDSOIL.89.BOUTON | PI 251836 81i SD | |
| STRESS | Frost damage | Frost damage visually estimated on October 10, after a severe frost during the last week of September. | 5 - (1 = LEAST, 9 = MOST) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |
| STRESS | Winter injury | Winter injury visually evaluated for damage and death. | 7 - (1 = least)(9 = most) | | ALFALFA.1989.BARNES | PI 251836 81i SD | |