| CHEMICAL | By pass protein | In-vitro dry matter disappearance (ivdmd) expressed as a percent of the cultivar venal. Higher than 100% suggests low digestibility & higher by-pass protein. | 82 | | ALFALFA.PROTBYPASS.92.VOLENEC | PI 502645 88i SD | |
| DISEASE | Anthracnose | Percent of plants resistant to Anthracnose (Colletotrichum trifolii). | 5.07 | | ALFALFA.ANTHRAC.91.ONEILL | PI 502645 88i SD | |
| DISEASE | Bacterial wilt | Percent of plants resistant to Bacterial wilt. (Corynebacterium insidiosum). | 35.35 | | ALFALFA.BACTWILT.89.BARNES | PI 502645 88i 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 | 4.45 | | ALFALFA.SPRBLSTEM.91.LEATH | PI 502645 88i SD | |
| DISEASE | Phytophthora root rot | Percent of plants resistant to Phytophthora Root rot (Phytophthora megasperma). | 12 | | ALFALFA.PHYROOTROT.91.NYGAARD | PI 502645 88i SD | |
| DISEASE | Verticillium wilt | Percent of plants resistant to Verticillium wilt (Verticillium albo-atrum). | 2 | | ALFALFA.VERTWILT.89.PEADEN | PI 502645 88i SD | |
| DISEASE | Fusarium wilt | Percent of plants resistant to Fusarium wilt (Fusarium oxysporum). | 21.51 | | ALFALFA.FUSWILT.92.BARNES | PI 502645 88i SD | |
| DISEASE | Lepto spot | Percent of plants resistant to Lepto Spot (Leptosphaerulina briosiana). | 3.28 | | ALFALFA.LEPTOSPOT.91.LEATH | PI 502645 88i SD | |
| DISEASE | Downy mildew | Percent of plants resistant to Downy mildew (Peronospora trifoliorum). | 12.9 | | ALFALFA.DOWNYMILD.I8.92.STUT | PI 502645 88i SD | |
| DISEASE | Downy mildew | Percent of plants resistant to Downy mildew (Peronospora trifoliorum). | 9.7 | | ALFALFA.DOWNYMILD.I7.92.STUT | PI 502645 88i 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 | 4.39 | | ALFALFA.STEMPHLFSP.91.LEATH | PI 502645 88i SD | |
| DISEASE | Aphanomyces | Percent resistant plants to Aphanomyces eutieches. | 42 | | ALFALFA.APHAN.90.GRAU | PI 502645 88i SD | |
| DISEASE | Sclerotinia resistance | Percent resistant plants to Sclerotinia. | 25.5 | | ALFALFA.SCLEROT.90.RHODES | PI 502645 88i SD | |
| DISEASE | Resistance to Rhizoctonia | Percent resistance to Rhizoctonia. | 36 | | ALFALFA.RHIZOC.90.VIAND | PI 502645 88i SD | |
| GROWTH | Fall growth | Fall growth evaluated by plant height on October 11-12. | 1 - GREATER THAN OR EQUAL TO 41 CM | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| GROWTH | Crown stem diameter | Diameter of the crown stem | 1 - NARROW | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| GROWTH | Taproot diameter | Diameter of the taproot | 1 - LESS THAN OR EQUAL TO 5 MM | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| GROWTH | Secondary root diameter | Secondary root diameter | 2 - (1 = 2-5 MM, 5 = GREATER THAN 12.5 MM) | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| GROWTH | Seedling vigor | Seedling vigor visually estimated as plant size during the fourth week after germination. | 5 - (1 = LEAST, 9 = MOST) | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| GROWTH | Recovery rate | Recovery rate visually estimated 2 weeks after the first spring cutting (mid July). | 1 - VERY SLOW | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| GROWTH | Crown width | Width of the crown | 1 - NARROW | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| INSECT | Potato Leafhopper | Percent of plant foliage yellowed by Potato Leafhopper (Empoasca fabae). | 3.4 | | ALFALFA.POTLEAFHOP.93.BYERS | PI 502645 88i SD | |
| INSECT | Potato Leafhopper | Percent of plant foliage yellowed by Potato Leafhopper (Empoasca fabae). | 4.9 | | ALFALFA.POTLEAFHOP.92.BYERS | PI 502645 88i SD | |
| INSECT | Lygus bug | Resistance to lygus bug | 2 - 1 LEAF WILTED | | ALFALFA.LYGUSBUG.93.TEUBER | PI 502645 88i SD | |
| INSECT | Spotted Alfalfa Aphid | Percent of seedling survival after Spotted Alfalfa aphid damage (Therioaphis maculata). | 13.61 | | ALFALFA.SPOTALFAPH.92.CADDEL | PI 502645 88i SD | |
| INSECT | Clover Root curculio | Percent of plants resistant to Clover Root Curculio (Sitonia hispidulus). | 21.5 | | ALFALFA.ROOTCURC.94.BYERS | PI 502645 88i SD | |
| INSECT | Clover Root curculio | Percent of plants resistant to Clover Root Curculio (Sitonia hispidulus). | 22.1 | | ALFALFA.ROOTCURC.93.BYERS | PI 502645 88i SD | |
| MOLECULAR | Chloroplast DNA hypervariabili | Chloroplast DNA hypervariability. The average distance relative to all other measured. Other data downloadable as Excel:135 by 135 matrix and Genetic distance between 2 accessions(8972 combinations)- click on Chloroplast DNA hypervariabili | 0.624 | | ALFALFA.GENEDIST.99.SKINNER | PI 502645 88i SD | |
| MORPHOLOGY | Seed weight 100 | Weight of 100 seeds in grams. | 0.27 | | ALFALFA.SEEDWEIGHT.WRPIS | PI 502645 88i SD | |
| MORPHOLOGY | Seed weight 100 | Weight of 100 seeds in grams. | 0.28 | | ALFALFA.SEEDWEIGHT.WRPIS | PI 502645 88i SD | |
| MORPHOLOGY | Seed weight 100 | Weight of 100 seeds in grams. | 0.28 | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Leaf size | Leaf size visually estimated on August 30. | 9 - MOST | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Depth of the crown | Depth of the crown | 2 - (1 = SHALLOW, 5 = DEEP) | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Crown branching | Branching of the crown | 1 - LOW | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Crown bud number | Number of crown buds | 2 - (1 = FEW, 5 = MANY) | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Crown origin | Origin of the crown | 2 - ONE MAJOR (THICK) STEM AND MANY SMALL ONES | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Secondary root number | Number of secondary roots | 6 - GREATER THAN OR EQUAL TO 12 | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Secondary root position | Secondary root position | 3 - (1 - >= 20 CM BELOW CROWN, 5 - <= 5 CM BELOW CROWN) | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Fibrous root mass | Fibrous root mass | 4 - (1 = NONE, 5 = MANY) | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Determinate taproot percentage | Determinate taproot percentage | 80 | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Determinate taproot position | Determinate taproot position | 5 - EQUAL TO OR LESSTHAN 5 CM BELOW CROWN | | ALFALFA.1989.BARNES | PI 502645 88i SD | |
| MORPHOLOGY | Unifoliate internode length | Unifoliate internode length - the distance between the cotyledonary node and the unifoliate leaf node measured in millimeters. | 16.63 | 35 | ALFALFA.UILENGTH.93.GORDON | PI 502645 88i SD | |
| PRODUCTION | Seed productivity | Seed productivity. coded 1-9. | 7 - (1 = HIGH, 9 = LOW) | | ALFALFA.SEEDPROD.88.PEADEN | PI 502645 88i SD | |
| STRESS | Salt germination - ic(50) valu | Sodium chloride concentration which inhibits germination of 50% of the viable seed. | -0.55 | | ALFALFA.SALTGERM.89.RUMB | PI 502645 88i 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. | 0.29 | | ALFALFA.ACIDSOIL.91.BOUTON | PI 502645 88i SD | |
| STRESS | Tolerance to salt stress | The ratio of mean regrowth amount under salt stress to that produced under non-stress conditions expressed as a proportion of the ratio for a control cultivar(s). | 1.682 | | ALFALFA.SALTSTRESS.90.SMITH | PI 502645 88i SD | |
| SUBSET | Core subset | A flag to indicate the accession is part of the core subset | Y - YES, ACCESSION IS PART OF THE CORE | | ALFALFA.CORE | PI 502645 85o SD | Not Available |